128 results about "Triclinic crystal system" patented technology

A perovskite oxide material containing: BiFeO₃ as a first component; a second component containing at least one perovskite oxide which is constituted by A-site atoms having an average ionic valence of two and has a tendency to form a tetragonal structure; and a third component containing at least one perovskite oxide which has a tendency to form one of monoclinic, triclinic, and orthorhombic structures; where each perovskite oxide in the first component, the second component, and the third component contains A-site atoms, B-site atoms, and oxygen atoms substantially in a molar ratio of 1:1:3, and the molar ratio can deviate from 1:1:3 within a range

The invention relates to a high nuclear gadolinium cluster complex with a large magnetocaloric effect. The chemical formula is C110H82Gd10O56S22 which belongs to the triclinic system, and the space group is P-1. The preparation method comprises the steps of: placing gadolinium oxide, thiophene-3-carboxylic acid and water into a stainless steel reaction kettle and mixing uniformly; then, reacting for 72 hours at 150-170 DEG G; cooling to 20 DEG C to obtain block crystals; collecting the crystals and washing the crystals with water and ethanol; and vacuum drying to obtain the target product: high nuclear gadolinium cluster complex. The invention has the advantages that according to the preparation method based on large self-rotating ground state of gadolinium ions, weaker magnetic interaction among metals and larger metal ligand proportion, the high nuclear gadolinium cluster complex with the large magnetocaloric effect is prepared; the raw materials are simple and cheap to the benefit of large-scale production; and the complex has the large magnetocaloric effect, and has a huge potential application value in the aspect of magnetic refrigeration.

The invention provides a solid-state electrolyte material of a lithium ion battery. The general formula of the solid-state electrolyte material is (LimZn)MP2X12, and the solid-state electrolyte belongs to a triclinic crystal system and a P1 space group, wherein Z is a high-valence metal element, the cationic valence is more than +1 valence and less than or equal to +3 valence, and the high-valence metal element Z is at least one of Mg, Al, Ca, Ti, Cu, Zn, Ga, In, Sr, Ru, Rh, Pd, Ag, Cd, Ba, Os, Ir, Pt or Hg; M is at least one of Ge, Si, Sn, Al or P; and X is at least one of O, S or Se. The research on the micro structure characteristics of the solid-state electrolyte material (LimZn)MP2X12 indicates that the micro interaction mechanisms such as Coulomb force, Van der Waals force and the like have important effect on the structure stability of the solid electrolyte material; and by enhancing the Coulomb attraction effect among ions and enhancing the shielding of the Coulomb repulsion effect among the ions, the total energy of the material system is greatly reduced, thereby enhancing the structure stability of the solid electrolyte material.

The invention discloses an organic-inorganic hybrid polyoxomolybdate crystal material and a preparation method thereof. The organic-inorganic hybrid polyoxomolybdate crystal material comprises a polyoxomolybdate crystal, and the chemical formula of the polyoxomolybdate crystal is [Ni(H2O)(C12H8N2)2]2(PMo12O40(VO)2].2H2O, the polyoxomolybdate crystal belongs to a triclinic system, and the space group of the polyoxomolybdate crystal is P-1. The organic-inorganic hybrid polyoxomolybdate crystal material is prepared by adopting a hydrothermal synthesis method. The preparation method of the organic-inorganic hybrid polyoxomolybdate crystal material comprises the following steps: and stirring and mixing molybdenum oxide, ammonium metavanadate, 1, 10-phenanthroline, nickel acetate, phosphoric acid and water, and then putting the mixture in a closed container, reacting for at least 1 hour at least 160 DEG C, and carrying out solid-liquid separation, thus obtaining the organic-inorganic hybrid polyoxomolybdate crystal material. When being excited by ultraviolet light with the wavelength of 310nm, the organic-inorganic hybrid polyoxomolybdate crystal material emits relatively strong fluorescence at a place with the central wavelength of 410nm, which shows that the crystal material has good fluorescence characteristic.

The present invention discloses a multi-metal hybrid compound formed by transplanting a metal-Schiff base fragment on an isopolymolybdate, a preparation method and applications thereof. The compound comprises an isopolymolybdate and a metal Schiff base fragment, has a molecular formula [NH4]2{[Mn(salen)(H2O)]2[Mo8O26(MoO4)2]}(H2en)2.9H2O, and is a triclinic system, wherein a space group is P-1, crystal cell parameters comprise that a is 10.507(2)angstrom, b is 13.708(3)angstrom, c is 14.701(3)angstrom, alpha is 108.94(3), beta is 110.16(3), gamma is 93.98(3), V is 1840.5(6)angstrom<3>, and Z is 2, and the crystal cell has a structure and a composition represented by a formula 1, and is represented by a Figure 2. The preparation method comprises: adding a [Mn(salen)(H2O)]2(ClO4)2.H2O-containing methanol solution in a dropwise manner, continuously stirring for 11-13 h at a temperature of 55-65 DEG C to obtain a brown clear solution, filtering, adopting a film with fine holes to carry out sealing storage, slowly evaporating the filtrate at a room temperature to obtain a sheet-like crystal product after 21 days, washing with methanol, and drying in air to obtain the multi-metal hybrid compound formed by transplanting the metal-Schiff base fragment on the isopolymolybdate, wherein the compound has characteristics of excellent stability and reusability, and can be used for catalytic degradation of pollutants in water in the photocatalysis field.

The invention discloses a mesylate solvate crystal of nicotinamide derivatives and a preparation method and application of the mesylate solvate crystal. The mesylate solvate crystal of nicotinamide derivatives is a mesylate dimethylformamide solvate crystal and has the characteristic parameters that the crystal system is a triclinic system; the space group is P-1; the cell parameters are as follows: a is 8.9418(2) angstrom, b is 9.4513(2) angstrom, c is 19.5111(4) angstrom, alpha is 76.489(1), beta is 84.199(1), and gamma is 61.952(1); the cell volume V is 1414.91(5) cubic angstrom; the number Z of asymmetry units in cells is equal to 2. The mesylate solvate crystal of nicotinamide derivatives provided by the invention has high high-temperature stability, high humidity stability and illumination stability, is applied to medicines for treating advanced non-small cell lung cancer, gastric carcinoma, liver cancer or breast cancer and is obvious in bioavailability, and the provided qualitative and quantitative information has significance for further researching the curative effect of the solid drugs.

The invention discloses a low-temperature reversible thermochromic crystal material as well as a preparation method and the application thereof. The crystal material has a chemical formula of [ZnNa2(Cl3H8N2O6S)4(H2O)12].[Zn(H2O)6].(H2O)12, belongs to a triclinic crystal system and has a space group of P-1 and crystal cell parameter shown in the Specification. The crystal material is prepared by adopting a one-step hydrothermal method or a volatilization method and is simple in process, high in yield, less in environmental pollution and low in production cost; the prepared material has reversible thermochromic properties, has the characteristics of being quick in discoloration, low in temperature, short in response time, highly-recyclable and the like and has a wide application prospect inthe fields of sensors, hygrometers, indicators, temperature-indicating materials, paints, anti-counterfeit, printing, textiles and the like.

The invention provides a chromium (III) complex as well as a preparation method and application thereof. According to the chromium (III) complex, the molecular formula is CrC14H26N4O4Cl, the molecular weight is 402, the crystal structure belongs to a triclinic crystal system, the spatial point group is P-1, a is equal to 7.8880(6), b is equal to 9.8380(7), c is equal to 14.4490(12) angstroms, alpha is equal to 70.4550(10), beta is equal to 85.729(2), gamma is equal to 82.0880(10) degrees, V is equal to 1046.12(14) cubic angstroms, and Z is equal to 2. The preparation method comprises the steps of dissolving chromium (III) and 3-methyl-salicylic acid by virtue of an organic solvent, feeding a small amount of zinc granules, carrying out heating reflux, then dropwise adding triethylene tetramine, continuing to carry out reflux for a period of time, stopping reaction, cooling, filtering, standing obtained filtrate, and naturally volatilizing at the normal temperature, so as to obtain purple red crystals. The chromium (III) complex can be applied to the preparation of sugar-reducing medicines.

The invention relates to an Er(III) luminescent material containing a mixed ligand of phenanthroline, modified imidazolecarboxylic acid and pyridine carboxylic acid and a preparation method. The molecular formula of the luminescent material is {Er2(dpda)2(Hpimda)phen.H2O].0.5phen}n, n is greater than 1, wherein a ligand H2dpda is 2,6-dimethyl pyridine-3,5-dioctyl phthalate, H3pimda is 1-H-2-propyl-4,5-imidazole dicarboxylic acid, phen is phenanthroline, a complex crystal belongs to a triclinic system, and a space group is p-1; in cell parameters, a is equal to 8.5811(3) angstroms, b is equal to 15.7987(8) angstroms, c is equal to 18.0740(9) angstroms, alpha is equal to 113.357(5) degrees, beta is equal to 97.903(4) degrees, gamma is equal to 104.086(3) degrees, V is equal to 2181.61(19) angstrom<3>; the luminescent material can be excited by near ultraviolet to emit near infrared fluorescence. The preparation method of the luminescent material involved in the invention is simple, the conditions are mild, and the product yield is relatively high; by introduction of multiple conjugate ligands, electron transfer among electron donors and receptors is adjusted and enhanced; the crystallinity is relatively good, no toxicity and pollution are caused, the heat stability is high, the luminescent property is excellent, the raw material cost is low, a preparation process and equipment are simple, and the operation is convenient.

The invention discloses a high-nuclear cobalt cluster substituted silicotungstate nano-cluster compound as well as a preparation method and application thereof. The high-nuclear cobalt cluster substituted silicotungstate nano-cluster compound has the following chemical formula: Na18[Co(H2O)6]2{[Na(H2O)4]2[Na(H2O)2]2[Co(H2O)3]2[Co21(H2O)4(OH)12] (SiW10O37)6} 24H2O. The high-core cobalt cluster substituted silicotungstate nano-cluster compound is crystallized in a triclinic system, and the space group is P-1. An electrochemical biosensor based on the high-nuclear cobalt cluster substituted silicotungstate nano-cluster compound is simple and convenient when being used for detecting dichlorvos, and has the advantages of high selectivity, good repeatability, good stability, low detection limitand the like.

The invention relates to a minoxidil-salicylate crystal form for treating alopecia and a preparation method of the minoxidil-salicylate crystal form. The minoxidil-salicylate crystal form is formed by combining three minoxidil cations, two minoxidil molecules, two salicylic acid anions, one salicylic acid molecule and five water molecules through interaction of ionic bonds and hydrogen bonds. The crystal structure belongs to a triclinic system, the space group is P-1, the axial length a is equal to 14.175 to 15.175 angstroms, the axial length b is equal to 14.643 to 15.643 angstroms, the axial length c is equal to 18.854 to 19.854 angstroms, the axial angle alpha is equal to 111.630 to 112.630 degrees, the axial angle beta is equal to 94.736 to 95.736 degrees, and the axial angle gamma is equal to 98.293 to 99.293 degrees. An animal model proves that the treatment effect of the minoxidil crystal form prepared by the method is superior to that of an original medicine.

The invention discloses a novel fluorescence color-change material capable of directionally identifying CH2Cl2, CHCl3 and CCl4 and a preparation method of a fluorescence color-change material and belongs to the cross fields of nano-materials and coordination chemistry. The material is a silver and sulfur cluster based porous coordination polymer which takes a 10-core silver and sulfur cluster as anode and has double teeth bridged through an organic ligand. A chemical formula of the compound is as follows: [Ag10(StBu)6(CF3COO)2(PhPO3H)2(bpy)2]n. The novel fluorescence color-change material belongs to a triclinic crystal system and a space group is P-1. The material can be used for directionally identifying CH2Cl2, CHCl3 and CCl4 organic solvents and the porosity reaches maximum value of 32percent from 9.8 percent; the material has high sensitivity and a rapid response speed, and has the characteristics of long detection service life, capability of being circularly utilized, good stability and the like. The material has a huge application prospect in the aspects of organic solvent identification and detection.

The invention discloses a photoluminescent crystal material praseodymium potassium borate, and a preparation method and an application thereof, and belongs to the technical field of rare earth luminescent materials. A technical scheme comprises the key point that the photoluminescent crystal material praseodymium potassium borate has the chemical formula of K3Pr3(BO3)4, belongs to a triclinic crystal system, and has the space group of P-1; the unit cell parameters comprise a=9.0814 angstroms, b=10.8052 angstroms, c=14.0885 angstroms, alpha=69.800 DEG, beta=89.922 DEG, gamma=89.892 DEG, Z=4, and V=1297.4 angstrom<3>. The method comprises the steps: synthesizing praseodymium potassium metaborate monocrystals by a high temperature solution method; placing a fully and evenly ground mixed raw material in a platinum crucible, placing the crucible in a box-type oven, and carrying out heating synthesis; and keeping a constant temperature at the maximum temperature, and then slowly cooling down to room temperature to obtain monocrystals of the compound. The crystal material can be excited by 445 nm light to emit red fluorescence, can be used in fluorescent luminescent materials and devices, and meets the demand of electronic industry, public place display, home appliance display and the like.

The invention provides a capacitor. The capacitor comprises a compound crystal shown in the formula I. A crystal compound belongs to the triclinic crystal system, according to a P-1 space group, a is equal to 1.09091, b is equal to 1.16257, c is equal to 1.94343, alpha is equal to 81.38 degrees, beta is equal to 84.47 degrees, gamma is equal to 65.29 degrees and V is equal to 2.2122.

The invention discloses a mononuclear copper complex with fluorescence property and a preparation method thereof. The molecular formula of the complex is C63H51CuClN3O2P2, and the structural formula of the complex is shown in the specification. The crystal of the complex belongs to a triclinic system, and the cell parameters are as follows: alpha = 79.21 degrees, beta = 87.78 degrees and gamma = 86.12 degrees. Each complex molecule comprises a copper ion, a benzoimidazolylphosphine ligand and a triphenylphosphine auxiliary ligand. In the crystal, Cu ions in the center of the complex are respectively coordinated with Cl ions, N and P atoms in benzimidazolylphosphine ligands and P atoms in the auxiliary ligand triphenylphosphine to form a tetra-coordinated twisted tetrahedral configuration.The invention also provides a preparation method of the complex. The method is mild in reaction condition, simple in preparation process and low in cost. The copper complex has good thermal stabilitywhile having fluorescence property.

The invention discloses a mononuclear dysprosium complex based on 2-methyl-5,7-dichloro-8-hydroxyquinoline as a ligand and a preparation method and application thereof. The chemical formula of the complex is [Dy (L) 3 (H2O)], wherein L refers to that a hydroxyl hydrogen atom of 2-methyl-5,7-dichloro-8-hydroxyquinoline is removed and 2-methyl-5,7-dichloro-8-hydroxyquinoline carries a negative charge; the complex belongs to a triclinic crystal system and a P-1 space group. The preparation method of the complex comprises the steps that Dy(NO3) 3.6H2O and 2-methyl-5,7-dichloro-8-hydroxyquinoline are obtained and dissolved with water, an obtained solution is adjusted to make the pH equal to 6.5-7.8, mixture liquid reacts under the heating condition, and the complex is obtained. The complex is simple in preparation method, low in cost and good in repeatability, a field-induced slow-relaxation magnetic behavior is presented at low temperature, and the complex can be used for preparing magnetic materials.

The invention provides tunable laser crystal chrome-doped sodium magnesium molybdate and a preparation method thereof. A molten salt top seed crystal method is adopted, 55-80at.% of Na2Mo2O7 is used as a melting assistant, and the growth parameters are as follows: the cooling velocity is 0.5-3 DEG C/day, the growth temperature is 800-880 DEG C, the rotation speed is 5-30rpm/minute, and a Cr<3+>:Na2Mg5(MoO4)6 crystal which is relatively good in quality and relatively large in size is grown, wherein the doping concentration of Cr<3+> is 0.2-5at.%. The crystal belongs to a triclinic system, and has a P-1 space group structure as shown in the specification. The crystal has the characteristics that the mechanical property is moderate, the tunable laser wave band is wide, the emission cross section is large, and the like, and is a relatively good tunable laser crystal material.

The invention relates to a dihydropyridine calcium antagonist co-crystal and a preparation method and application thereof. The molecular formula of the co-crystal is (C20H25ClN2O5).(C6H5COOH).(Y)n, wherein Y is any one of water molecule, ethanol molecule or isopropanol molecule, n is greater than or equal to 0 and less than or equal to 3, the co-crystal is crystallized in a triclinic crystal system and a P1 chiral space group, the unit cell dimensions are that alpha=97.1-97.5 degrees, beta=92.2-92.6 degrees, and gamma=111.5-112.1 degrees. According to the dihydropyridine calcium antagonist co-crystal and the preparation method and application thereof, the solubility and stability of an existing levamlodipine co-crystal crystal form are improved, and potentially, improvement of tablet stability of antihypertensive drugs and improvement of bioavailability in large-scale tablet production are facilitated.

The invention discloses a double-core gold phosphine sulfur cluster compound and a 14-core gold phosphine sulfur cluster compound. The cluster compound is a bulky crystal, the molecular formula of which is C155H136Au14Cl2N10P10S6 and the chemical formula of which is [Au14S6(bdppmapy)5]Cl2, wherein bdppmapy represents N,N-di(diphenylphosphine methyl)-2-aminopyridine; the 14-core gold phosphine sulfur cluster compound is a triclinic system, the space group of which is Pi and the cell parameters of which are shown in a formula, wherein alpha is equal to 87.453(3) degrees, beta is equal to 76.042(2) degrees and gamma is equal to 75.797(2) degrees. The invention further discloses an application of the 14-core gold phosphine sulfur cluster compound as a lysosome targeted probe. The 14-core goldphosphine sulfur cluster compound has a relatively good fluorescent property, a relatively high quantum yield and relatively low cytotoxicity.