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CN106220655A - The double triazole trimesic acid Zn complex monocrystalline of 1,2,4,5 durols and application - Google Patents

The double triazole trimesic acid Zn complex monocrystalline of 1,2,4,5 durols and application Download PDF

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Publication number
CN106220655A
CN106220655A CN201610602281.7A CN201610602281A CN106220655A CN 106220655 A CN106220655 A CN 106220655A CN 201610602281 A CN201610602281 A CN 201610602281A CN 106220655 A CN106220655 A CN 106220655A
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China
Prior art keywords
triazole
tma
trimesic acid
double
monocrystalline
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CN201610602281.7A
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Inventor
王中良
尚云涛
张志罡
郭长城
王英
杨曦
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Tianjin University
Tianjin Normal University
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Tianjin Normal University
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F3/00Compounds containing elements of Groups 2 or 12 of the Periodic Table
    • C07F3/003Compounds containing elements of Groups 2 or 12 of the Periodic Table without C-Metal linkages
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/0005Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes
    • C01B3/001Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes characterised by the uptaking medium; Treatment thereof
    • C01B3/0015Organic compounds; Solutions thereof
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07BGENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B2200/00Indexing scheme relating to specific properties of organic compounds
    • C07B2200/13Crystalline forms, e.g. polymorphs
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/32Hydrogen storage

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Hydrogen, Water And Hydrids (AREA)

Abstract

The invention discloses 1, the double triazole trimesic acid Zn complex monocrystalline of 2,4,5 durols and application, its structure: [Zn (L) (tma)] H2O, wherein, L=4 (4 ((4H 1,2,4 triazole 4 base) methyl) 2,3,5,6 tetramethylphenyls) 4H 1,2,4 triazole;Tma=trimesic acid.Also disclose the preparation method of monocrystalline simultaneously.It is to use " room temperature volatility process ", i.e. L, tma and Zn (NO3)2·6H2O filters after stirring half an hour in water, and filtrate room temperature obtains being suitable for the colourless bulk crystals of X ray single crystal diffraction after volatilizing two weeks.Wherein L:tma:Zn (NO3)2·6H2The mol ratio of O is 1:1:1.The present invention further discloses the double triazole trimesic acid Zn complex monocrystalline of 1,2,4,5 durols as hydrogen storage material application in terms of adsorbed hydrogen.

Description

The double triazole trimesic acid Zn complex monocrystalline of 1,2,4,5-durol and application
The present invention obtains the subsidy of Tianjin innovation team of Education Commission (TD12-5037).
Technical field
The present invention relates to the preparation method and applications of triazole organic acid cadmium complex hydrogen storage material, be one in particular Plant the double triazole trimesic acid Zn complex monocrystalline of 1,2,4,5-durol and application.
Background technology
The synthesis of metal-organic framework (MOFs) and character research are the nothings that nineteen nineties Later development gets up One of important field of research in chemical machine and materials chemistry.Owing to open metal-organic coordination polymer density is little, it is only / 3rd of conventional metals hydride, use MOFs can be substantially reduced the weight of hydrogen storage device as hydrogen storage media.This feature Especially meet the hydrogen-feeding system requirement of hydrogen cell automobile.In addition such material also has that specific surface area is big, pore volume is big Feature, be therefore a kind of novel high-capacity light hydrogen occluding material, the hydrogen storage method the most having become a kind of novel simplicity should Transport and give birth to.It is, in general, that hydrogen storage mechanism can be divided into chemisorbed and physical absorption, and the hydrogen storage mechanism of coordination compound is mostly physics Absorption.The Kitagawa etc. of Japan in 1997 reports the metal-organic framework that 4,4 '-bipyridyl constructs, and to have adsorbed gas little After the character of molecule [S. Kitagawa etc.,Angew. Chem. Int. Ed.1997, 36, 1725], correlational study draws Play the extensive attention of countries in the world.American scientist Yaghi in 2003 etc. report micropore metal-organic frame MOF-5 tool After having good hydrogen storage property [O. M. Yaghi etc.,Science2003, 300, 1127], metal-organic framework hydrogen storage skill Art is increasingly becoming 21st century international emerging research frontier.
Summary of the invention
The present invention is i.e. to select Zn (NO3)2·6H2O, tma and L filter after stirring half an hour in water, and filtrate room temperature volatilizees Obtain being suitable for water white transparency bulk crystals [Zn (L) (the tma)] H of X-ray single crystal diffraction after one week2O (1), (L=4- (4-((4H-1,2,4-triazole-4-yl) methyl)-2,3,5,6-tetramethylphenyl)-4H-1,2,4-triazole;Tma=equal benzene three Acid).Hydrogen can be adsorbed by this complex monocrystal as hydrogen storage material.
Following technical scheme is current inventor provides for this:
Its structure is as follows:
[Zn(L)(tma)]·H2O, wherein
L=4-(4-((4H-1,2,4-triazole-4-yl) methyl)-2,3,5,6-tetramethylphenyl)-4H-1,2,4-triazole;
Tma=trimesic acid.
The present invention further discloses the preparation side of the double triazole trimesic acid Zn complex monocrystalline of 1,2,4,5-durol Method, it is characterised in that it is to use room temperature volatility process, by L, tma and Zn (NO3)2·6H2O filters after stirring half an hour in water, Filtrate room temperature obtains being suitable for the colourless bulk crystals of X-ray single crystal diffraction after volatilizing two weeks;Wherein L:tma:Zn (NO3)2· 6H2The mol ratio of O is 1:1:1;
The structure of the double triazole trimesic acid Zn complex monocrystalline of 1,2,4,5-durol is [Zn (L) (tma)] H2O;Wherein L =4-(4-((4H-1,2,4-triazole-4-yl) methyl)-2,3,5,6-tetramethylphenyl)-4H-1,2,4-triazole;Tma=all Benzenetricarboxylic acid;
L tma。
The present invention further discloses the double triazole trimesic acid Zn complex monocrystalline of 1,2,4,5-durol as storage Hydrogen material is in preparation to the application in terms of hydrogen adsorption, and experimental result shows: the double triazole trimesic acid of 1,2,4,5-tetramethylbenzene Zn complex monocrystalline two dimension coordination frame complex monocrystalline is under about 3.4 MPa, when 298 and 77 K, this hydrogen storage Porous materials Hydrogen adsorption amount has respectively reached 0.87 and 1.38 wt%.
It is excellent that the double triazole trimesic acid Zn complex monocrystalline of a kind of 1,2,4,5-durol disclosed by the invention is had Point and feature are:
(1) operation is simple and easy to do.
(2) reaction yield is high, and the purity of products obtained therefrom is high.
(3) the double triazole trimesic acid Zn complex monocrystalline of the 1,2,4,5-tetramethylbenzene prepared by the present invention, production cost Low, method is easy, is suitable for large-scale production.The double triazole trimesic acid Zn complex monocrystalline of 1,2,4,5-durol is as hydrogen storage Material has good application effect in terms of storing hydrogen.
Accompanying drawing explanation
The crystal structure figure of Fig. 1: complex monocrystal;
The two-dimensional structure figure of Fig. 2: complex monocrystal;
Fig. 3: inhale hydrogen curve.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described further, and embodiment is only explanatory, is in no way intended to it Limit the scope of the present invention by any way.All of raw material (4-(aminomethyl)-2,3,5,6-tetramethylphenyl) methylamine, 1H- 1,2,4-triazole, potassium carbonate, copper oxide, zinc nitrate and trimesic acid etc. are commercially available.
Embodiment 1
(4-(aminomethyl)-2,3,5,6-tetramethylphenyl) methylamine: the mol ratio of double formylhydrazines is 1:4
Be separately added in equipped with 50 mL three neck round bottom flasks of magneton, reflux condenser and thermometer (4-(aminomethyl)-2, 3,5,6-tetramethylphenyls) methylamine (1 mmol) and double formylhydrazine (4 mmol), start stirring 150oC, reacts 24 hours. After reaction terminates, reactant liquor is down to room temperature, the precipitation obtained is added 100 mL hot methanols, after stirring and dissolving, filter, filtrate Slowly volatilization obtains white solid, yield 85%.Elementary analysis (C16N6H20) theoretical value (%): C, 64.84;H, 6.80;N, 28.36.Measured value: C, 64.88;H, 6.85;N, 28.05.
The double formylhydrazine of (4-(aminomethyl)-2,3,5,6-tetramethylphenyl) methylamine.
The mol ratio of the present invention preferably (4-(aminomethyl)-2,3,5,6-tetramethylphenyl) methylamine and double formylhydrazine is 1:4; Reaction temperature 150 DEG C, 24 hours response time.Use " one kettle way ", by (4-(aminomethyl)-2,3,5,6-tetramethylphenyl) first Amine and double formylhydrazine prepare 4-(4-((4H-1,2,4-triazole-4-yl) methyl)-2,3,5,6-durol in a heated condition Base)-4H-1,2,4-triazole (L).
Embodiment 2
4-(4-((4H-1,2,4-triazole-4-yl) methyl)-2,3,5,6-tetramethylphenyl)-4H-1,2,4-triazole (L) (0.1 Mmol), trimesic acid (tma) (0.1 mmol) and Zn (NO3)2·6H2O (0.1 mmol) is stirring half in water (10 mL) Filtering after hour, filtrate room temperature obtains being suitable for the colourless bulk crystals of X-ray single crystal diffraction after volatilizing two weeks.Productivity: 40%.Unit Element analyzes (C12.5H13N3O3.5Zn0.5) theoretical value (%): C, 50.95;H, 5.04;N, 14.86.Measured value: C, 51.05;H, 4.99;N, 14.82.
Embodiment 3
Crystal structure determination uses APEX II CCD single crystal diffractometer, uses through graphite monochromatised Mok alpha ray, and λ= 0.71073 is incident radiation, withω-2θScan mode collects point diffraction, obtains structure cell ginseng through least square refinement Number, utilizes software to solve crystal structure from difference Fourier electron density map, and through Lorentz lorentz and polarity effect correction.All of H atom is synthesized by difference Fourier and determines through preferable position calculation.Detailed axonometry data:
Embodiment 4
The suction hydrogen curve of metal-organic framework hydrogen storage Porous materials is as shown in Figure 3.The hydrogen adsorption carried out under 298 and 77 K is real Testing is an adsorption process quickly, has reached thermodynamical equilibrium, it is believed that this is physical adsorption process within several seconds. This adsorption process belongs to first kind gas absorption type, and this is also the MOFs most typical one of poromerics adsorption gas molecule. Hydrogen is located in duct, and the adsorbance that size limit in duct is one layer or which floor hydrogen molecule.At about 3.4 MPa During with 77 K, the adsorbance of hydrogen has reached 1.38 wt%.
After the preferred embodiment described in detail, it is familiar with this skilled worker and is clearly understood that, without departing from above-mentioned Can carry out various change and amendment under claim and spirit, all technical spirit according to the present invention are to above example institute Any simple modification, equivalent variations and the modification made, belongs to the scope of technical solution of the present invention.And the present invention is not illustrated The restriction of example embodiment in book.

Claims (3)

1. the monocrystalline of the double triazole trimesic acid Zn complex of 1,2,4,5-tetramethylbenzene, it is characterised in that this mono-crystalline structures is adopted With APEX II CCD single crystal diffractometer, using through graphite monochromatised Mok alpha ray, λ=0.71073 is incident radiation, Withω-2θScan mode collects point diffraction, obtains cell parameter through least square refinement, close from difference Fourier electronics Degree is desired to make money or profit and is solved crystal structure with software, and through Lorentz lorentz and polarity effect correction;All of H atom is synthesized by difference Fourier And determine through preferable position calculation, detailed axonometry data:
Its structure is as follows:
[Zn(L)(tma)]·H2O, wherein
L=4-(4-((4H-1,2,4-triazole-4-yl) methyl)-2,3,5,6-tetramethylphenyl)-4H-1,2,4-triazole;
Tma=trimesic acid.
2. the preparation method of the double triazole trimesic acid Zn complex monocrystalline of 1,2,4,5-tetramethylbenzene described in claim 1, it is special Levy and be that it is to use room temperature volatility process, by L, tma and Zn (NO3)2·6H2O filters after stirring half an hour in water, and filtrate is normal Temperature volatilization obtains being suitable for the colourless bulk crystals of X-ray single crystal diffraction after two weeks;Wherein L:tma:Zn (NO3)2·6H2O rubs That ratio is 1:1:1;
The structure of the double triazole trimesic acid Zn complex monocrystalline of 1,2,4,5-durol is [Zn (L) (tma)] H2O, wherein, L =4-(4-((4H-1,2,4-triazole-4-yl) methyl)-2,3,5,6-tetramethylphenyl)-4H-1,2,4-triazole;Tma=all Benzenetricarboxylic acid;
L tma。
3. the double triazole trimesic acid Zn complex monocrystalline of 1,2,4,5-durol described in claim 1 is being made as hydrogen storage material Standby to the application in terms of hydrogen adsorption.
CN201610602281.7A 2016-07-28 2016-07-28 The double triazole trimesic acid Zn complex monocrystalline of 1,2,4,5 durols and application Pending CN106220655A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101092434A (en) * 2007-06-12 2007-12-26 南开大学 Hydrogen stored porus material of iso metals, prepartion method and application
CN104610293A (en) * 2015-02-26 2015-05-13 天津师范大学 Naphthalene bistriazole trimesic acid zinc complex with potential fluorescent material and preparation method thereof
CN105622650A (en) * 2016-01-05 2016-06-01 天津师范大学 1,2,4,5-tetramethyl benzene bistriazole two-dimensional zinc complex single crystal and application thereof
CN105669718A (en) * 2016-01-05 2016-06-15 天津师范大学 1,2,4,5-Tetramethylphenylbistriazol zinc complex monocrystal and application thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101092434A (en) * 2007-06-12 2007-12-26 南开大学 Hydrogen stored porus material of iso metals, prepartion method and application
CN104610293A (en) * 2015-02-26 2015-05-13 天津师范大学 Naphthalene bistriazole trimesic acid zinc complex with potential fluorescent material and preparation method thereof
CN105622650A (en) * 2016-01-05 2016-06-01 天津师范大学 1,2,4,5-tetramethyl benzene bistriazole two-dimensional zinc complex single crystal and application thereof
CN105669718A (en) * 2016-01-05 2016-06-15 天津师范大学 1,2,4,5-Tetramethylphenylbistriazol zinc complex monocrystal and application thereof

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Application publication date: 20161214