Novel molecule containing chiral octahedral crystal phase structure molybdenum trioxide, pentadecanomolybdate and preparation method and application of pentadecanomolybdate

Abstract

The invention discloses a novel molecule containing molybdenum trioxide with a chiral octahedral crystal phase structure, pentadecamolybdate as well as a preparation method and application of pentadecamolybdate, and relates to the technical field of molybdate. The chiral octahedral crystal phase structure molybdenum trioxide is alpha-MoO3, and the molecular formula of the novel molecule is Mo15O42. The pentadecamolybdate prepared by the method is a new species, and a new member is added for inorganic salt chemical industry; the compound has various purposes, such as yield increase and quality improvement of agricultural crops, fresh water, mariculture, sanitary sterilization, resistance to various microorganisms, resistance to various tumors, batteries, various energy storage, semiconductors, biochemical-resistant weapons, intelligent materials and the like; the majority of pentadecamolybdate is insoluble in water, is not easy to lose and can be continuously utilized for a long time, and the validity period is calculated as year; infinite times of green recycling can be easily realized; the preparation method is simple, efficient and easy for industrial production.

Description

Technical Field

[0001] The invention relates to the technical field of molybdates, and in particular to a novel molecule containing molybdenum trioxide with a chiral octahedral crystal phase structure, pentamolybdate, and a preparation method and application thereof. Background Art

[0002] In the molybdenum chemical industry and the basic knowledge of molybdenum chemical industry, molybdenum trioxide is divided into orthomolybdenum trioxide, dimolybdenum trioxide, tetramolybdenum trioxide, heptamolybdenum trioxide, etc. according to the different molybdenum contents in the molecule, for example: ammonium orthomolybdate, ammonium dimolybdate, ammonium tetramolybdate, ammonium heptamolybdate.

[0003] In the actual application of molybdenum industrial products, ordinary molybdenum trioxide (or molybdic acid) is generally used to make various molybdate products. In order to make the product have better physical and chemical properties, it needs to be secondary crystallized and converted into α-MoO 3 Crystal structure, methods include: thermal decomposition, hydrothermal method, sol-gel method, template method, etc. The specific principle is to heat the product at a temperature of 160-180 degrees Celsius and a pressure of 10 standard atmospheres for about 48 hours, using NO 3 - (or other acid radicals) can control water molecules and MoO X The method of coordination mode and coordination strength is difficult to achieve industrial production due to many unfavorable factors such as strict equipment requirements, large amount of wastewater, and long time.

[0004] Therefore, technicians in this field are committed to providing a new molecule containing molybdenum trioxide with a chiral octahedral crystal phase structure, pentamolybdate and its preparation method and application, providing a quantitative and accurate theoretical basis for nano molybdenum trioxide and its deep-processed nano molybdenum series products. Summary of the invention

[0005] The present invention provides a novel molecule containing molybdenum trioxide with a chiral octahedral crystal phase structure, pentamolybdate, and a preparation method and application thereof, aiming to solve the problems existing in the above-mentioned background technology.

[0006] In order to achieve the above technical objectives, the present invention mainly adopts the following technical solutions:

[0007] In the first aspect, the present invention discloses a novel molecule containing molybdenum trioxide with a chiral octahedral crystal phase structure, wherein the molybdenum trioxide with a chiral octahedral crystal phase structure is α-MoO 3 The molecular formula of the novel molecule is Mo 15 O 42 , the new molecular structure model is In the model, the large balls are molybdenum atoms and the small balls are oxygen atoms.

[0008] In a preferred embodiment of the present invention, the novel molecule is composed of α-MoO 3 The preparation process is obtained.

[0009] In a second aspect, the present invention discloses a pentadecambate, which is prepared by reacting the novel molecule containing chiral octahedral crystal phase structure molybdenum trioxide described in the first aspect with a cation, and the pentadecambate has the following general formula:

[0010] Me x Mo 15 O (42+ax)

[0011] In the formula: Me is a simple cation or a compound showing cationic characteristics; x=2 to 72; a=1 to 3.5.

[0012] In a preferred embodiment of the present invention, when the cation is a monovalent cation, the pentamolybdate has the general formula of x=4-36; a=0.5;

[0013] When the cation is a divalent cation, the general formula of the pentamolybdate is x=2-18; a=1;

[0014] When the cation is a trivalent cation, the pentamolybdate has the general formula of x=4-72; a=1.5;

[0015] When the cation is a tetravalent cation, the pentamolybdate has the general formula of x=2-18; a=2;

[0016] When the cation is a pentavalent cation, the pentamolybdate has the general formula of x=4-72; a=2.5;

[0017] When the cation is a hexavalent cation, the general formula of the pentamolybdate is x=2-18; a=3;

[0018] When the cation is a heptavalent cation, the general formula of the pentamolybdate is x=2-36; a=3.5.

[0019] In a preferred embodiment of the present invention, the Me is a simple cation or a compound showing cationic properties, selected from Na + , K + NH 4 + 、Ag + , Ca 2+ Mg 2+ , Ba 2+ 、Zn 2+ 、Ni 2+ 、Co 2+ , Fe 3+ , B 3+ 、Bi3+ 、Al 3+ 、Se 4+ , Mn 4+ , P 5+ Cr 6+ , W 6+ , Mn 7+ 、Re 7+ Any one of .

[0020] In a third aspect, the present invention discloses a method for preparing the pentamolybdate as described in the second aspect, when Me is a soluble elemental cation or a compound having cationic properties, comprising the following steps:

[0021] (1) placing deionized water and dispersant in a reaction kettle with ultrasound and electric heating, and starting the ultrasound and electric heating functions; specifically, adding a set amount of deionized water into the reaction kettle, and then adding the dispersant in proportion; the reaction kettle has stirring and ultrasonic functions, and the ultrasonic and stirring functions are started in turn, respectively, and the ratio of ultrasonic to stirring time is controlled to be 30:1;

[0022] (2) After 2 hours, the water temperature was controlled at 60-70 degrees and α-MoO was added 3 ;

[0023] (3) After adding α-MoO 3 After half an hour, a soluble elemental cation or a compound with cationic properties is then added thereto;

[0024] (4) After the reaction, continue ultrasonication for 1-2 hours to obtain a water-soluble product of pentamolybdate.

[0025] In a fourth aspect, the present invention discloses a method for preparing the pentamolybdate as described in the second aspect, when Me is an insoluble elemental cation or a compound having cationic properties, comprising the following steps:

[0026] (1) Insoluble single cations or compounds with cationic properties are mixed with α-MoO 3 Mix thoroughly according to the proportion;

[0027] (2) adding the mixture into a multi-stage electric heating converter, wherein the highest temperature of the furnace is not higher than 470° C., and the residence time in the electric heating converter is 100-120 minutes; the temperature at 2 / 3 of the electric heating converter from the front to the rear is the highest, and the highest temperature at this location is 470° C.;

[0028] (3) After adding the dispersant according to the weight ratio, the mixture is placed in a resonance mixer and stirred thoroughly to obtain a powdered nano-molybdate product.

[0029] In a preferred embodiment of the present invention, the α-MoO 3The molar ratio of the soluble or insoluble elemental cation or the compound with cationic properties is 2-72:15; the dispersant is selected from one or more of ethylene glycol, glycerol, and urea; the amount of the dispersant added is 3 0.8-1% of the total weight of soluble or insoluble elemental cations or compounds with cationic characteristics.

[0030] In a fifth aspect, the present invention discloses a polyheteropentadecamolybdate, which is prepared by reacting the novel molecule containing chiral octahedral crystal structure molybdenum trioxide described in the first aspect with two cations A and B, and the polyheteropentadecamolybdate has the following general formula:

[0031] A x B y Mo 15 O (42+ax+by)

[0032] Wherein: A and B are simple cations or compounds with cationic properties, selected from Na + , K + NH 4 + 、Ag + , Ca 2+ Mg 2+ , Ba 2+ 、Zn 2+ 、Ni 2+ 、Co 2+ , Fe 3+ , B 3+ 、Bi 3+ 、Al 3+ 、Se 4+ , Mn 4+ , P 5+ Cr 6+ , W 6+ , Mn 7+ 、Re 7+ Any one of the following; x=2~72; y=2~72; a=1~3.5; b=1~3.5.

[0033] In the fifth aspect, the present invention discloses an application of the pentadecamoylate as described in the second aspect or the polypentadecamoylate as described in the fifth aspect in the preparation of materials for promoting the increase in yield and quality of agricultural crops, materials for promoting seawater desalination, seawater aquaculture materials, sanitary disinfection preparations, antimicrobial preparations, anti-tumor drugs, batteries and various energy storage materials, semiconductor materials, anti-biochemical weapons materials, and high-efficiency photoelectric sensitization materials and intelligent materials.

[0034] Compared with the prior art, the present invention has the following beneficial effects:

[0035] The pentadecamolybdate prepared by the present invention is a new species, which adds a new member to the inorganic salt chemical industry;

[0036] The pentadecamolybdate prepared by the present invention has various uses and will change all aspects of our daily life, such as increasing the yield and quality of agricultural crops, freshwater and seawater aquaculture, sanitary disinfection, resisting various microorganisms, resisting various tumors, batteries and various energy storage, semiconductors, anti-biochemical weapons, smart materials, etc.

[0037] The pentadecamolybdate prepared by the present invention is mostly insoluble in water, not easy to be lost, and can be continuously used for a long time, with the effective period calculated in years; it is very easy to realize unlimited green recycling;

[0038] The preparation method of the pentadecamolybdate of the present invention is simple, efficient and easy to industrialize. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0040] Figure 1 This is a structural model diagram of a novel molecule containing molybdenum trioxide with a chiral octahedral crystal phase structure according to the present invention; wherein the large balls are molybdenum atoms and the small balls are oxygen atoms;

[0041] Figure 2 Schematic diagram of the first preparation method of pentadecamolybdate according to the present invention;

[0042] Figure 3 Schematic diagram of the second preparation method of pentadecamolybdate according to the present invention;

[0043] in, Figure 2 In the figure, 3 is a reaction kettle; Figure 3 Among them, 1 is a high-efficiency mixer; 2 is a multi-stage electric heating converter; 3 is a reaction kettle; 4 is a resonance mixer;

[0044] Figure 4 This is a new type of molecule Mo detected by atom probe microscopy in this invention. 15 O 42 Spectrum of

[0045] Figure 5 This is a graph of the atom probe scanning detection of the present invention;

[0046] Figure 6 The novel molecule Mo of the present invention 15 O 42 Elemental analysis chart. DETAILED DESCRIPTION

[0047] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0048] Example 1

[0049] The invention discloses a novel molecule containing molybdenum trioxide with a chiral octahedral crystal phase structure, wherein the molybdenum trioxide with a chiral octahedral crystal phase structure is α-MoO 3 The molecular formula of the new molecule is Mo 15 O 42 , the new molecular structure model is like Figure 1 As shown in Figure 1, the large balls in the model are molybdenum atoms and the small balls are oxygen atoms. Figure 4 As shown, the scanning detection curve is as follows Figure 5 The elemental composition analysis is shown in Figure 6 shown.

[0050] The new molecule consists of α-MoO 3 The new molecule has a heterogeneous chiral octahedral crystal phase and the molecular formula is: Mo 15 O 42 、MoO in the molecule 6 The octahedral structure can also be understood as the quantum unit of molybdenum trioxide α-MoO 3 The molybdate synthesized in this way also has the same physical and chemical properties.

[0051] Through research and experiments, it was found that α-MoO 3 The crystal structure of molybdenum trioxide is the most stable, and the other molybdenum trioxides are all metastable phase structures. Metastable molybdenum trioxide can be converted into α-MoO by secondary crystallization through certain physical and chemical methods. 3 Crystal structure; however, the α-MoO 3 and α-WO 3 It is very rare and is often studied and expressed in only one field.

[0052] The high-purity nano-scale molybdenum trioxide invented and produced by Hubei Sino-Australian Nanomaterial Technology Co., Ltd. is made by the process of "sublimation-air quenching"; its crystal phase is α-MoO 3 structure, and has achieved industrial-scale production, and can produce spherical (zero-dimensional) high-purity nano-molybdenum trioxide with a particle size of 30 nanometers.

[0053] Example 2

[0054] α-MoO produced by Hubei Zhongao Nanomaterial Technology Co., Ltd. 3 As raw materials, various pentadecamolybdates (or nanometers) can be made, wherein the pentadecamolybdate has the following general formula:

[0055] Me x Mo 15 O (42+ax)

[0056] Wherein: Me is a simple cation or a compound showing cationic properties, selected from Na + , K + NH 4 + 、Ag + , Ca 2+ Mg 2 + , Ba 2+ 、Zn 2+ 、Ni 2+ 、Co 2+ , Fe 3+ , B 3+ 、Bi 3+ 、Al 3+ 、Se 4+ , Mn 4+ , P 5+ Cr 6+ , W 6+ , Mn 7+ 、Re 7+ Any one of the following; x=2~72; a=1~3.5.

[0057] Pentadecambate contains pentadecanoic acid ions [Mo 15 O (42+ax) ] y- ,

[0058] Among them, y is selected from 4, 8, 12, 16, 20, 24, 28, 32, 36 to provide 9 valences. They are collectively called pentamolybdate, and they constitute the most basic "quantum" unit of various pentamolybdates.

[0059] In the above general formula, when the cation is a monovalent cation, in the general formula of pentamolybdate, x=4-36; a=0.5; at this time, pentamolybdate can be K 36 Mo 15 O 60 or (NH 4 ) 36 Mo 15 O 60 wait.

[0060] In the above general formula, when the cation is a divalent cation, in the general formula of pentamolybdate, x=2-18; a=1; in this case, pentamolybdate can be Zn 14 Mo 15 O 56 or Zn 18 Mo 15 O 60 or Ca 18 Mo 15 O 60 wait.

[0061] In the above general formula, when the cation is a trivalent cation, the general formula of pentamolybdate is x=4-72; a=1.5; in this case, pentamolybdate can be Fe 36 Mo 15 O 96 or Fe 12 Mo 15 O 60 or B 72 Mo 15 O 150 Or Bi 12 Mo 15 O 60 Or Bi 36 Mo 15 O 96 wait.

[0062] In the above general formula, when the cation is a tetravalent cation, the general formula of pentamolybdate is: x=2-18; a=2; in this case, pentamolybdate can be Se 18 Mo 15 O 78 or Mn 18 Mo 15 O 78 or Mn 10 Mo 15 O 57 wait.

[0063] In the above general formula, when the cation is a pentavalent cation, the general formula of pentamolybdate is: x=4-72; a=2.5; at this time, pentamolybdate can be P 72 Mo 15 O 222 wait.

[0064] In the above general formula, when the cation is a hexavalent cation, the general formula of pentamolybdate is: x=2-18; a=3; at this time, pentamolybdate can be Cr 18 Mo 15 O 96 wait.

[0065] In the above general formula, when the cation is a heptavalent cation, the general formula of pentamolybdate is: x=2-36; a=3.5; at this time, pentamolybdate can be Re 36 Mo 15 O 168 or Mn 36 Mo 15 O 168 wait.

[0066] Example 3

[0067] A method for preparing pentamolybdate, when Me is a soluble elemental cation or a compound showing cationic properties, comprises the following steps: Figure 2 As shown:

[0068] (1) Deionized water and a dispersant (the dispersant is selected from one or more of ethylene glycol, glycerol, and urea) are placed in a reaction kettle with ultrasound and electric heating, and the ultrasound and electric heating functions are started; specifically, a set amount of deionized water is added to the reaction kettle, and then a dispersant is added in proportion (the amount of the dispersant added is α-MoO 3 and 0.8-1% of the sum of the weight of soluble or insoluble single cations or compounds with cationic characteristics); the reactor is equipped with stirring and ultrasonic functions, and the ultrasonic and stirring functions are started in turn, and the ratio of ultrasonic and stirring time is controlled to be 30:1;

[0069] (2) After 2 hours, the water temperature was controlled at 60-70 degrees and α-MoO was added 3 ;

[0070] (3) After adding α-MoO 3 After half an hour, a soluble single cation or a compound with cationic properties is added thereto; among them, α-MoO 3 The molar ratio of the soluble elemental cation or the compound having cationic properties is 2-72:15;

[0071] (4) After the reaction, continue ultrasonication for 1-2 hours to obtain a water-soluble product of pentamolybdate.

[0072] Example 4

[0073] A method for preparing pentamolybdate, when Me is an insoluble elemental cation or a compound showing cationic properties, comprises the following steps: Figure 3 As shown:

[0074] (1) Insoluble single cations or compounds with cationic properties are mixed with α-MoO 3 Mix thoroughly according to the proportion; among them, α-MoO 3The molar ratio of the insoluble elemental cation or the compound having cationic characteristics is 2-72:15;

[0075] (2) adding the mixture into a multi-stage electric heating converter, wherein the highest temperature of the furnace is not higher than 470° C., and the residence time in the electric heating converter is 100-120 minutes; the temperature at 2 / 3 of the electric heating converter from the front to the rear is the highest, and the highest temperature at this location is 470° C.;

[0076] (3) Adding a dispersant (the dispersant is selected from one or more of ethylene glycol, glycerol, and urea, and the amount of the dispersant added is α-MoO 3 After being mixed with soluble or insoluble simple cations or compounds with cationic characteristics (0.8-1% of the total weight), the mixture is placed in a resonance mixer and stirred fully to obtain a powdered nano pentadecamolybdate product.

[0077] In addition, the reaction can control the morphology of the product. If the product is required to be in powder form, the reactants in step 2 are added with a dispersant according to a weight ratio, and then placed in a resonance mixer 4 for sufficient stirring. After mixing, a powdered nano-pentadecambate product is obtained.

[0078] If the product is required to be in a hydrolyzed state, the reactants in step 2 are Figure 2 The method shown can obtain the hydrolyzed product of nano pentadecamolybdate.

[0079] Attached Figure 2 and attached Figure 3 The synthetic reactions can be carried out using Figure 3 However, if either the reactant or the product is a soluble substance, an admixture may be used. Figure 2 The wet production shown has lower production costs.

[0080] Hydrolyzed pentadecamolybdate can be made into powdery products by various drying processes. It is strictly forbidden to use freeze-drying process, especially for nano-pentadecamolybdate products.

[0081] The controllable particle size of the pentadecamolybdate prepared by the invention can be less than 30-100 nanometers.

[0082] Example 5

[0083] A polyheteropentadecamolybdate is prepared by reacting a novel molecule containing molybdenum trioxide with a chiral octahedral crystal phase structure with two cations A and B. The polyheteropentadecamolybdate has the following general formula:

[0084] A x B y Mo 15 O (42+ax+by)

[0085] Wherein: A and B are simple cations or compounds with cationic properties, selected from Na + , K + NH 4 + 、Ag + , Ca 2+ Mg 2+ , Ba 2+ 、Zn 2+ 、Ni 2+ 、Co 2+ , Fe 3+ , B 3+ 、Bi 3+ 、Al 3+ 、Se 4+ , Mn 4+ , P 5+ Cr 6+ , W 6+ , Mn 7+ 、Re 7+ Any one of the following; x=2~72; y=2~72; a=1~3.5; b=1~3.5.

[0086] Specifically, the polyheteropentadecamolybdate may be Na 12 Zn 12 Mo 15 O 60 .

[0087] The pentadecambate prepared by the present invention is a new species, which adds a new member to the inorganic salt chemical industry; the prepared pentadecambate has various uses and will change all aspects of our daily life, such as increasing the yield and improving the quality of agricultural crops, freshwater and seawater aquaculture, sanitary disinfection, resisting various microorganisms, resisting various tumors, batteries and various energy storage, semiconductors, anti-biochemical weapons, intelligent materials and other aspects; and most of the pentadecambate is insoluble in water, not easy to lose, and can be sustainably used for a long time, and the effective period is calculated in years; it is very easy to realize unlimited green recycling and utilization; the preparation method of the pentadecambate is simple and efficient, and easy to industrialize production.

[0088] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with this technology to understand the content of the present invention and implement it. They cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel molecule containing chiral octahedral molybdenum trioxide, characterized in that: The chiral octahedral crystal phase structure of molybdenum trioxide is α-MoO3, and the molecular formula of the novel molecule is Mo 15 O 42 , the new molecular structure model is In the model, the large balls are molybdenum atoms and the small balls are oxygen atoms.

2. The novel molecule containing chiral octahedral crystal structure of molybdenum trioxide as claimed in claim 1, characterized in that: The novel molecule is obtained by an α-MoO3 preparation process.

3. A pentadecamolybdate, characterized in that: Prepared by reacting the novel molecule containing chiral octahedral crystal structure molybdenum trioxide according to any one of claims 1 or 2 with a cation, the pentamolybdate has the following general formula: Me x Mon 15 O (42+ax) In the formula: Me is a simple cation or a compound showing cationic characteristics; x=2 to 72; a=1 to 3.

5.

4. The pentamolybdate according to claim 3, characterized in that When the cation is a monovalent cation, the pentamolybdate has the general formula of x=4-36; a=0.5; When the cation is a divalent cation, the general formula of the pentamolybdate is x=2-18; a=1; When the cation is a trivalent cation, the pentamolybdate has the general formula of x=4-72; a=1.5; When the cation is a tetravalent cation, the pentamolybdate has the general formula of x=2-18; a=2; When the cation is a pentavalent cation, the pentamolybdate has the general formula of x=4-72; a=2.5; When the cation is a hexavalent cation, the general formula of the pentamolybdate is x=2-18; a=3; When the cation is a heptavalent cation, the general formula of the pentamolybdate is x=2-36; a=3.

5.

5. The pentamolybdate according to claim 3, characterized in that The Me is a simple cation or a compound showing cationic properties, selected from Na + , K + NH4 + 、Ag + , Ca 2+ Mg 2+ , Ba 2+ 、Zn 2+ 、Ni 2+ 、Co 2+ , Fe 3+ , B 3+ 、Bi 3+ 、Al 3+ 、Se 4 + , Mn 4+ , P 5+ Cr 6+ , W 6+ , Mn 7+ 、Re 7+ Any one of .

6. A method for preparing pentamolybdate according to claim 3, characterized in that: When Me is a soluble single cation or a compound showing cationic properties, the method comprises the following steps: (1) placing deionized water and dispersant in a reaction kettle with ultrasound and electric heating, and starting the ultrasound and electric heating functions; specifically, adding a set amount of deionized water into the reaction kettle, and then adding the dispersant in proportion; the reaction kettle has stirring and ultrasonic functions, and the ultrasonic and stirring functions are started in turn, respectively, and the ratio of ultrasonic to stirring time is controlled to be 30:1; (2) After 2 hours, the water temperature is controlled at 60-70 degrees and α-MoO3 is added; (3) Half an hour after adding α-MoO3, a soluble single cation or a compound with cationic properties is then added thereto; (4) After the reaction, continue ultrasonication for 1-2 hours to obtain a water-soluble product of pentamolybdate.

7. A method for preparing pentamolybdate according to claim 3, characterized in that: When Me is an insoluble simple cation or a compound showing cationic properties, the method comprises the following steps: (1) fully mix insoluble single cations or compounds with cationic properties with α-MoO3 in proportion; (2) adding the mixture into a multi-stage electric heating converter, wherein the highest temperature of the furnace is not higher than 470° C., and the residence time in the electric heating converter is 100-120 minutes; the temperature at 2 / 3 of the electric heating converter from the front to the rear is the highest, and the highest temperature at this location is 470° C.; (3) After adding the dispersant according to the weight ratio, the mixture is placed in a resonance mixer and stirred thoroughly to obtain a powdered nano-molybdate product.

8. The method for preparing pentamolybdate according to claim 6 or 7, characterized in that: The molar ratio of the α-MoO3 to the soluble or insoluble elemental cation or the compound with cationic properties is 2-72:15; the dispersant is selected from one or more of ethylene glycol, glycerol, and urea; the amount of the dispersant added is 0.8-1% of the sum of the weights of the α-MoO3 and the soluble or insoluble elemental cation or the compound with cationic properties.

9. A polyheteropentadecamolybdate, characterized in that: The novel molecule containing chiral octahedral crystal structure molybdenum trioxide according to any one of claims 1 or 2 is prepared by reacting with two cations A and B, and the polyheteropentadecamolybdate has the following general formula: A x B y Mon 15 O (42+ax+by) Wherein: A and B are simple cations or compounds with cationic properties, selected from Na + , K + NH4 + 、Ag + , Ca 2+ Mg 2+ , Ba 2+ 、Zn 2+ 、Ni 2+ 、Co 2+ , Fe 3+ , B 3+ 、Bi 3+ 、Al 3+ 、Se 4+ , Mn 4+ , P 5+ Cr 6+ , W 6+ , Mn 7+ 、Re 7+ Any one of the following; x=2~72; y=2~72; a=1~3.5; b=1~3.

5.

10. Use of the pentadecamoylate according to any one of claims 3 to 5 or the polypentadecamoylate according to claim 9 in the preparation of materials for promoting agricultural crop yield and quality improvement, materials for promoting seawater desalination, seawater aquaculture materials, sanitary disinfection preparations, antimicrobial preparations, antitumor drugs, batteries and various energy storage materials, semiconductor materials, anti-biochemical weapons materials, and high-efficiency photoelectric sensitization materials and intelligent materials.

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