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Hexamethylene tetramine manganese complex crystal material as well as preparation method and application thereof

A technology of hexamethylenetetramine and crystalline materials, which is applied in the directions of magnetic materials, magnetic objects, heat exchange materials, etc., can solve the problem that centimeter-scale single crystal samples cannot be obtained, the application scenarios of complexes are limited, and the magnetic moment of complexes is low. and other problems, to achieve the effect of reducing adverse effects, convenient operation, and changing chemical shifts

Active Publication Date: 2022-02-25
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Further, although existing research reports (M.O.Agwara, et al, Bull.Chem.Soc.Ethiop.2004,18(2),143-148) use hexamethylenetetramine and manganese sulfate as raw materials, and ethanol as solvent Synthesized hexamethylene tetraamine manganese complex, but it has the following problems: ① Only powder samples can be obtained, centimeter-scale single crystal samples cannot be obtained, let alone sliced, truncated, chamfered, ground, polished, etc. operation, thus limiting the application scenarios of the complex; ②The magnetic moment of the synthesized complex is low

Method used

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  • Hexamethylene tetramine manganese complex crystal material as well as preparation method and application thereof
  • Hexamethylene tetramine manganese complex crystal material as well as preparation method and application thereof
  • Hexamethylene tetramine manganese complex crystal material as well as preparation method and application thereof

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Embodiment 1

[0046] [Mn(C 6 h 12 N 4 ) 2 (H 2 O) 4 Mn(H 2 O) 6 ][SO 4 ] 2 ·6H 2 O crystal material, concrete steps are as follows:

[0047] ①Dissolve 0.2mol of manganese sulfate monohydrate in 200mL of water;

[0048] ②Dissolve 0.4mol hexamethylenetetramine in 100mL water;

[0049] ③ Use a filter membrane with a pore size of 1 μm to filter the hexamethylenetetramine solution and the manganese sulfate solution;

[0050] ④ adjust the pH of the manganese sulfate solution to 4;

[0051] ⑤ Pour the hexamethylenetetramine aqueous solution into the manganese sulfate monohydrate solution in three batches, add a few drops of concentrated sulfuric acid every time, keep the pH of the mixed solution at about 7.5, until the solution is completely mixed;

[0052] ⑥The above mixed solution was placed in a petri dish, and evaporated at 30° C. for 48 hours to obtain the crystal material. Its reaction equation is:

[0053] 2C 6 h 12 N 4 +2MnSO 4 ·H 2 O+14H 2 O→[Mn(C 6 h 12 N 4 ) 2 (...

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Abstract

The invention discloses a hexamethylenetetramine manganese complex crystal material and a preparation method and an application thereof. The chemical formula of the crystal material is [Mn(C6H12N4)2(H2O)4Mn(H2O)6][SO4]2.6H2O, the molecular weight is 870.64, the density is 1.542 g / cm<3>, the F(000) is 916.0, the crystal material belongs to a triclinic system, the space group is P-1 (2), the unit cell parameters are characterized in that alpha equals 100.716 (3) degrees, beta equals 90.102 (1) degrees, gamma equals 109.949 (5) degrees, and the unit cell volume is that the number Z of molecules in the unit cell equals 2. The crystal material can be used as a paramagnetic substance to be applied to the application fields of paramagnetic refrigeration, paramagnetic resonance, paramagnetic probes, displacement reagents and the like.

Description

technical field [0001] The invention belongs to the field of transition metal complex crystal materials, and in particular relates to a hexamethylenetetramine manganese complex crystal material and its preparation method and application. Background technique [0002] Metal-organic complexes not only exhibit good properties in terms of magnetism, catalysis, adsorption and fluorescence, but also have novel and fascinating structures and broad application prospects, and more importantly, due to the possible structure-activity relationship between their structures and properties , attracting more and more scholars to study the design, synthesis and performance of this kind of complexes. Transition metal and lanthanide metal complexes often have certain magnetic properties due to their unpaired electrons. Manganese series complexes are one of the main objects of magnetic material research, and have high application value in the fields of paramagnetic refrigeration, paramagnetic ...

Claims

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Application Information

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IPC IPC(8): C07F13/00C09K5/14H01F1/00
CPCC07F13/00C09K5/14H01F1/0018Y02E60/10
Inventor 庄欣欣李登鹏许智煌叶李旺
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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