CN106317088A - 4h硫醚双三唑三维镉配合物单晶与应用 - Google Patents
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- 150000003568 thioethers Chemical class 0.000 title claims abstract description 19
- QWENRTYMTSOGBR-UHFFFAOYSA-N 1H-1,2,3-Triazole Chemical compound C=1C=NNN=1 QWENRTYMTSOGBR-UHFFFAOYSA-N 0.000 title abstract 5
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 28
- 239000001257 hydrogen Substances 0.000 claims abstract description 28
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- 239000000706 filtrate Substances 0.000 claims abstract description 6
- 239000011232 storage material Substances 0.000 claims abstract description 6
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 6
- 239000011593 sulfur Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
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- ASHGTJPOSUFTGB-UHFFFAOYSA-N methyl resorcinol Natural products COC1=CC=CC(O)=C1 ASHGTJPOSUFTGB-UHFFFAOYSA-N 0.000 claims description 5
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- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 230000005260 alpha ray Effects 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 12
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- 239000013132 MOF-5 Substances 0.000 description 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical class OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 1
- GBBFUAZDRBBUQG-UHFFFAOYSA-N N=1N=CN(C=1)C1=CC=C(C=C1)[S] Chemical compound N=1N=CN(C=1)C1=CC=C(C=C1)[S] GBBFUAZDRBBUQG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
- XIEPJMXMMWZAAV-UHFFFAOYSA-N cadmium nitrate Inorganic materials [Cd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XIEPJMXMMWZAAV-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
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- 150000002431 hydrogen Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- -1 metals hydride Chemical class 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- NMHMNPHRMNGLLB-UHFFFAOYSA-N phloretic acid Chemical compound OC(=O)CCC1=CC=C(O)C=C1 NMHMNPHRMNGLLB-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
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- C07F3/003—Compounds containing elements of Groups 2 or 12 of the Periodic Table without C-Metal linkages
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- C01B3/0015—Organic compounds; Solutions thereof
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Abstract
本发明公开了4H硫醚双三唑三维镉配合物单晶与应用,其结构:[Cd(H2O)(L)(mipt)]·H2O,其中,L=二(4‑(4H‑1,2,4‑三唑‑4‑基)苯基)硫;mipt=间甲基间苯二甲酸。同时还公开了单晶的制备方法。它是采用常温挥发法,即L、mipt和Cd(NO3)2·6H2O在水中搅拌半小时后过滤,滤液常温挥发两周后得到适合X‑射线单晶衍射的无色块状晶体。其中L:mipt:Cd(NO3)2·6H2O的摩尔比为1:1:1。本发明进一步公开了4H硫醚双三唑三维镉配合物单晶作为储氢材料用于吸附氢气方面的应用。
Description
本发明得到天津市教委创新团队(TD12-5037)的资助。
技术领域
本发明涉及三唑有机酸镉配合物储氢材料的制备方法及其应用,更具体的说是一种4H硫醚双三唑三维镉配合物单晶与应用。
背景技术
金属-有机框架(MOFs)的合成与性质研究是二十世纪九十年代后期发展起来的无机化学和材料化学中重要的研究领域之一。由于开放的金属-有机配位聚合物密度小,仅是传统金属氢化物的三分之一,采用MOFs作为储氢介质可大大降低储氢器的重量。这一特点尤其符合氢燃料电池汽车的供氢系统要求。此外该类材料还具有比表面积大、孔洞体积大的特点,因此是一种新型高容量轻质储氢材料,近年来已成为一种新型简便的储氢方法应运而生。一般说来,储氢机理可分为化学吸附和物理吸附,而配合物的储氢机制大多为物理吸附。1997年日本的Kitagawa等报道了4,4’-联吡啶构筑的金属-有机框架具有吸附气体小分子的性质之后[S. Kitagawa等, Angew. Chem. Int. Ed.1997, 36, 1725],相关研究引起了世界各国的广泛重视。2003年美国科学家Yaghi等报道了微孔金属-有机框架MOF-5具有良好的储氢性能后[O. M. Yaghi等, Science2003, 300, 1127],金属-有机框架储氢技术逐渐成为二十一世纪国际新兴的前沿研究领域。
发明内容
本发明即是采用常温挥发法,即L、mipt和Cd(NO3)2·6H2O在水中搅拌半小时后过滤,滤液常温挥发两周后得到适合X-射线单晶衍射的无色块状晶体结构为[Cd(H2O)(L)(mipt)]·H2O,其中,L = 二(4-(4H-1,2,4-三唑-4-基)苯基)硫;mipt = 间甲基间苯二甲酸。该配合物单晶作为储氢材料可以对氢气进行吸附。
一种4H硫醚双三唑三维镉配合物的单晶,其特征在于该单晶结构采用APEX IICCD单晶衍射仪,使用经过石墨单色化的Mokα射线,λ = 0.71073 Å为入射辐射,以ω-2θ扫描方式收集衍射点,经过最小二乘法修正得到晶胞参数,从差值傅立叶电子密度图利用软件解出单晶数据:
其结构如下:
[Cd(H2O)(L)(mipt)]·H2O,其中
L = 二(4-(4H-1,2,4-三唑-4-基)苯基)硫;
mipt = 间甲基间苯二甲酸。
本发明进一步公开了4H硫醚双三唑三维镉配合物单晶的制备方法,其特征在于它是采用常温挥发法,将L、mipt和Cd(NO3)2·6H2O在水中搅拌半小时后过滤,滤液常温挥发两周后得到适合X-射线单晶衍射的无色块状晶体;其中L:mipt:Cd(NO3)2·6H2O的摩尔比为1:1:1;
4H硫醚双三唑三维镉配合物单晶的结构为[Cd(H2O)(L)(mipt)]·H2O;其中L = 二(4-(4H-1,2,4-三唑-4-基)苯基)硫;mipt = 间甲基间苯二甲酸;
L mipt。
本发明更进一步公开了4H硫醚双三唑三维镉配合物单晶作为储氢材料在制备对氢气吸附方面的应用,实验结果显示:4H硫醚双三唑三维镉配合物单晶在大约3.4 MPa下,298和77 K时,该储氢孔材料的氢气吸附量分别达到了0.87 和1.38 wt%。
本发明公开的一种4H硫醚双三唑三维镉配合物单晶所具有的优点和特点在于:
(1) 反应操作简便易行。
(2) 反应收率高,所得产品的纯度高。
(3) 本发明所制备的4H硫醚双三唑三维镉配合物单晶,生产成本低,方法简便,适合大规模生产。4H硫醚双三唑三维镉配合物单晶作为储氢材料在储存氢气方面具有良好的应用效果。
附图说明
图1:配合物单晶的晶体结构图;
图2:配合物单晶的三维结构图;
图3:吸氢曲线。
具体实施方式
下面结合实施例对本发明做进一步的说明,实施例仅为解释性的,决不意味着它以任何方式限制本发明的范围。所用原料均有市售。所有原料都是从国内外的化学试剂公司进行购买,例如4-(4-氨基苯硫基)苯胺、硝酸镉和间甲基间苯二甲酸等原料,没有经过继续提纯而是直接使用的。
实施例1
4-(4-氨基苯硫基)苯胺:双甲酰肼的摩尔比为1:4
在装有磁子、回流冷凝器和温度计的50 mL三口圆底烧瓶内分别加入4-(4-氨基苯硫基)苯胺(1 mmol)和双甲酰肼(4 mmol),开动搅拌在150 oC,反应24小时。反应结束后,将反应液降至室温,将得到的沉淀加入100 mL热甲醇,搅拌溶解后,过滤,滤液缓慢挥发得到无色固体,收率85%;
4-(4-氨基苯硫基)苯胺 双甲酰肼
本发明优选4-(4-氨基苯硫基)苯胺和双甲酰肼的摩尔比为1:4;反应温度150℃,反应时间24小时。采用“一锅法”,将4-(4-氨基苯硫基)苯胺和双甲酰肼在加热条件下制备该有机化合物。
实施例2
二(4-(4H-1,2,4-三唑-4-基)苯基)硫(L) (0.1 mmol)、间甲基间苯二甲酸(mipt)(0.1 mmol)和Cd(NO3)2·6H2O (0.1 mmol)在水(10 mL)中搅拌半小时后过滤,滤液常温挥发两周后得到适合X-射线单晶衍射的无色块状晶体。产率:40%。元素分析(C25H22CdN6O6S)理论值(%):C,46.41;H,3.43;N,12.99。实测值:C,46.46;H,3.47;N,13.04。
实施例3
晶体结构测定采用APEX II CCD单晶衍射仪,使用经过石墨单色化的Mokα射线,λ =0.71073 Å为入射辐射,以ω-2θ扫描方式收集衍射点,经过最小二乘法修正得到晶胞参数,从差值傅立叶电子密度图利用软件解出晶体结构,并经洛仑兹和极化效应修正。所有的H原子由差值傅立叶合成并经理想位置计算确定。详细的晶体测定数据:
实施例4
金属-有机框架储氢孔材料的吸氢曲线如图3所示。在298和77 K下进行的氢气吸附实验是一个很快的吸附过程,在几秒钟之内达到了热力学平衡,我们认为这是物理吸附过程。该吸附过程属于第一类气体吸附类型,这也是MOFs微孔材料吸附气体分子最典型的一种。氢气位于在孔道内,而孔道的大小限制了吸附量为一层或者几层氢气分子。在大约3.4 MPa和77 K时,氢气的吸附量达到了1.38 wt%。
在详细说明的较佳实施例之后,熟悉该项技术人士可清楚地了解,在不脱离上述申请专利范围与精神下可进行各种变化与修改,凡依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰,均属于本发明技术方案的范围。且本发明亦不受说明书中所举实例实施方式的限制。
Claims (3)
1.一种4H硫醚双三唑三维镉配合物的单晶,其特征在于该单晶结构采用APEX II CCD单晶衍射仪,使用经过石墨单色化的Mokα射线,λ = 0.71073 Å为入射辐射,以ω-2θ扫描方式收集衍射点,经过最小二乘法修正得到晶胞参数,从差值傅立叶电子密度图利用软件解出单晶数据:
其结构如下:
[Cd(H2O)(L)(mipt)]·H2O,其中
L = 二(4-(4H-1,2,4-三唑-4-基)苯基)硫;
mipt = 间甲基间苯二甲酸。
2.权利要求1所述4H硫醚双三唑三维镉配合物单晶的制备方法,其特征在于它是采用常温挥发法,将L、mipt和Cd(NO3)2·6H2O在水中搅拌半小时后过滤,滤液常温挥发两周后得到适合X-射线单晶衍射的无色块状晶体;其中L:mipt:Cd(NO3)2·6H2O的摩尔比为1:1:1;
4H硫醚双三唑三维镉配合物单晶的结构为[Cd(H2O)(L)(mipt)]·H2O;其中L = 二(4-(4H-1,2,4-三唑-4-基)苯基)硫;mipt = 间甲基间苯二甲酸;
L mipt。
3.权利要求1所述4H硫醚双三唑三维镉配合物单晶作为储氢材料在制备对氢气吸附方面的应用。
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Citations (3)
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CN105348306A (zh) * | 2015-12-03 | 2016-02-24 | 天津师范大学 | 4h硫醚双三唑锌配合物单晶及其制备方法与应用 |
CN105418654A (zh) * | 2016-01-05 | 2016-03-23 | 天津师范大学 | 1,4-二甲基-2,5-二亚甲基双三唑5-甲基间苯二甲酸镉配合物单晶及应用 |
CN105669726A (zh) * | 2016-01-05 | 2016-06-15 | 天津师范大学 | 4h氧醚双三唑镉配合物单晶及其制备方法与应用 |
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