CN103359791A - 一种钒酸—铬钼酸混合簇多酸化合物结构及制备方法 - Google Patents

一种钒酸—铬钼酸混合簇多酸化合物结构及制备方法 Download PDF

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CN103359791A
CN103359791A CN2013102749994A CN201310274999A CN103359791A CN 103359791 A CN103359791 A CN 103359791A CN 2013102749994 A CN2013102749994 A CN 2013102749994A CN 201310274999 A CN201310274999 A CN 201310274999A CN 103359791 A CN103359791 A CN 103359791A
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CN103359791B (zh
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杨艳艳
曲小姝
刘立业
赵文卓
刘雪
孙权
李宪东
冯素洋
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Jilin Institute of Chemical Technology
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Abstract

本发明涉及一种钒酸—铬钼酸混合簇多酸化合物单晶结构及制备方法。该晶体化学式为K(H2O)6[H2N(CH2CH2)2O]6[CrMo6O24H6][V10O28H2]·5H2O,分子量为2772.99,属三斜晶系,空间群P-1,晶胞参数a=12.1334(6)Å,b=13.7471(7)Å,c=14.9689(7)Å,α=98.1510(10)°,β=110.3880(10)°,γ=115.8100(10)°,V=1975.40(17)Å3Z=1。采用常温水溶液合成方法制备。制备得的化合物组成和结构明确,具有潜在的药物应用价值。

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一种钒酸—铬钼酸混合簇多酸化合物结构及制备方法
所属技术领域
本发明属于无机多金属氧酸盐化学技术领域,涉及同多钒酸—杂多铬钼酸簇混合构筑的多酸化合物的合成,更具体的说是化合物K(H2O)6[H2N(CH2CH2)2O]6[CrMo6O24H6][V10O28H2]·5H2O的制备方法及结构。
背景技术
多金属氧酸盐,也称为金属氧簇化合物(或多酸),是无机晶体材料的一个重要分支,其具有多样化的结构特征和纳米尺寸的体积等特点,表现出独特的光、电、磁性和表面活性等性能,在催化、传感器、吸附、离子交换、离子电导、磁通道材料和非线性光学材料等领域有许多应用前景[1-3]。近年来,随着多酸化学及配位聚合物晶体工程的发展以及合成、表征技术的提高,化学家们开始通过自组装和晶体工程的方法,将多酸化合物结构基团有序地连接起来,构筑成基于金属氧簇的超分子化合物。这类超分子化合物具有丰富的几何构型,在主客体化学,择形催化,吸附,医药以及磁性、荧光和导电材料等领域具有潜在的应用前景。
迄今为止,已有大量以新多酸簇构筑的结构新颖的化合物被报道。但绝大多数化合物都是由同种多酸建筑块构成的,只是展现出单一多酸的功能特性。合成混合多酸建筑块构筑的超分子化合物,在同一化合物中同时具备多种多酸功能特性,这些化合物必将在氧化性、催化活性、光致变色、电致变色、导电性、磁性等方面展示出更优良的特性[4-23]。
本文合成了同多钒酸—杂多铬钼酸簇混合构筑的多酸化合物K(H2O)6[H2N(CH2CH2)2O]6[CrMo6O24H6][V10O28H2]·5H2O,通过元素分析,红外光谱和X-衍射单晶结构对该化合物进行了表征。该化合物组成明确,具有潜在的药物价值。
参考文献
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发明内容
本发明涉及化合物K(H2O)6[H2N(CH2CH2)2O]6[CrMo6O24H6][V10O28H2]·5H2O(1)结构及其制备方法。
本发明涉及K(H2O)6[H2N(CH2CH2)2O]6[CrMo6O24H6][V10O28H2]·5H2O(1)化合物晶体的制备方法,测量数据和数据的研究。
本发明涉及化合物K(H2O)6[H2N(CH2CH2)2O]6[CrMo6O24H6][V10O28H2]·5H2O(1)在药物方面的应用。
为实现上述目的,本发明提供如下的技术方案:
具有下述化学通式的同多钒酸—杂多铬钼酸簇混合构筑的多酸化合物:
本发明所述的同多钒酸—杂多铬钼酸簇混合构筑的多酸化合物,主要晶体数据如下:该晶体化学式为C24H64CrKMo6N10O69V10,分子量为2772.99,属三斜晶系,空间群P-1,a =12.1334(6) Å,b =13.7471(7) Å,c =14.9689(7) Å,α = 98.1510(10)°,β =110.3880(10)°,γ =115.8100(10)°,V =1975.40(17) Å 3Z =1,R1=0.0610,wR2=0.1422,S=1.037。
本发明进一步公开了化合物K(H2O)6[H2N(CH2CH2)2O]6[CrMo6O24H6][V10O28H2]·5H2O(1)的制备方法:将Na2MoO4·2H2O(0.146 g,0.06 mmol)溶解10 mL水中,加入HCl调pH值至2.06,继续加入CrCl3·6H2O(0.027 g,0.01 mmol)加热煮沸30分钟,NaVO3·2H2O(0.158 g,0.1 mmol)溶于10 mL水(调pH值为3)和前溶液混合搅拌加热至沸,加CuSO4·5H2O(1.25 g,0.5 mmol),逐滴加入0.436 g吗啉,调节pH=3.5,沸腾搅拌30分钟,过滤,3天后长出橙红色结晶。
附图说明
图1为K(H2O)6[H2N(CH2CH2)2O]6[CrMo6O24H6][V10O28H2]·5H2O(1)化合物的分子结构图。
图2为K(H2O)6[H2N(CH2CH2)2O]6[CrMo6O24H6][V10O28H2]·5H2O(1)化合物的球棒图。
具体实施方式
一种同多钒酸—杂多铬钼酸簇混合构筑的多酸化合物K(H2O)6[H2N(CH2CH2)2O]6[CrMo6O24H6][V10O28H2]·5H2O(1)及其制备方法和条件:取Na2MoO4·2H2O(0.146 g,0.06 mmol)溶解10 mL水中,加入HCl调pH值至2.06,继续加入CrCl3·6H2O(0.027 g,0.01 mmol)加热煮沸30分钟,NaVO3·2H2O(0.158 g,0.1 mmol)溶于10 mL水(调pH值为3)和前溶液混合搅拌加热至沸,加CuSO4·5H2O(1.25 g,0.5 mmol),逐滴加入0.436 g吗啉,调节pH=3.5,沸腾搅拌30分钟,过滤,3天后长出橙红色结晶。此晶体通过X-单晶衍射仪及相应软件测得其结构。在化合物K(H2O)6[H2N(CH2CH2)2O]6[CrMo6O24H6][V10O28H2]·5H2O(1)的晶体中包含1个[V10O28H2]4-阴离子、1个[CrMo6O24H6]3-阴离子,K+阳离子和结晶水分子,K+阳离子、阴离子簇和结晶水分子通过静电力和氢键相互连接。[V10O28H2]4-阴离子由十个共边的VO6八面体排列而成,对称性接近D2h ,,每个钒原子具有变形八面体几何构型,V-O键长范围是0.1608(2)-0.2350(2) nm。[CrMo6O24H6]3-阴离子以Cr为中心,被六个Mo-O八面体包围,属于D3h对称,其中的氧原子分别为:十二个端基氧(Oc),六个双角顶共用氧(Ob),六个三角顶共用氧(Oa),Mo-O键长范围为:Mo-Oc,0.169~0.174 nm;Mo-Ob,0.193~0.197 nm;Mo-Oa,0.228~0.232 nm。Cr-O键长为0.1962~0.1976 nm。键角数值范围分别为:O-Cr-O,84.5~95.5°;O-Mo-O,70.5~105.8°。
化合物K(H2O)6[H2N(CH2CH2)2O]6[CrMo6O24H6][V10O28H2]·5H2O(1)的IR图谱在657.25,16.58和936.48,21.62cm-1处得强吸收峰是[V10O28H2]4-和[CrMo6O24H6]3-多酸阴离子的特征吸收峰,在1107和1450 cm-1处出现的吸收峰可归结为吗啉的特征吸收。
实施例
取Na2MoO4·2H2O(0.146 g,0.06 mmol)溶解10mL水中,加入HCl调pH值至2.06,继续加入CrCl3·6H2O(0.027 g,0.01 mmol)加热煮沸30分钟,NaVO3·2H2O(0.158 g,0.1 mmol)溶于10 mL水(调pH值为3)和前溶液混合搅拌加热至沸,加CuSO4·5H2O(1.25 g,0.5 mmol),逐滴加入0.6 g吗啉,调节pH=4,沸腾搅拌30分钟,过滤,3天后长出橙红色结晶。此晶体通过X-单晶衍射仪及相应软件测得其结构。

Claims (4)

1.一种钒酸—铬钼酸混合簇多酸化合物,其化学式为K(H2O)6[H2N(CH2CH2)2O]6[CrMo6O24H6][V10O28H2]·5H2O,分子量为2772.99。
2.权利要求1所述的钒酸—铬钼酸混合簇多酸化合物,其特征在于:属三斜晶系,空间群P-1,a =12.1334(6) Å,b =13.7471(7) Å,c =14.9689(7) Å,α = 98.1510(10)°,β =110.3880(10)°,γ =115.8100(10)°,V =1975.40(17) Å 3Z =1,R1=0.0610,wR2=0.1422,S=1.037。
3.一种制备权利要求1所述钒酸—铬钼酸混合簇多酸化合物的制备方法,其特征在于:将Na2MoO4·2H2O(0.146 g,0.06 mmol)溶解10 mL水中,加入HCl调pH值至2.06,继续加入CrCl3·6H2O(0.027 g,0.01 mmol)加热煮沸30分钟,NaVO3·2H2O(0.158 g,0.1 mmol)溶于10 mL水(调pH值为3)和前溶液混合搅拌加热至沸,加CuSO4·5H2O(1.25 g,0.5 mmol),逐滴加入0.436 g吗啉,调节pH=3.5,沸腾搅拌30分钟,过滤,3天后长出橙红色结晶。
4.权利要求1所述钒酸—铬钼酸混合簇多酸化合物在药物方面的应用。
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Cited By (4)

* Cited by examiner, † Cited by third party
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CN108495820A (zh) * 2016-02-04 2018-09-04 埃克森美孚化学专利公司 包含贵金属和相应的金属簇合物的多金属氧酸盐
CN110325271A (zh) * 2017-02-24 2019-10-11 Bwxt同位素技术集团有限公司 金属-钼酸盐及其制造方法
CN110483793A (zh) * 2019-08-15 2019-11-22 新疆农业大学 一种多酸超分子晶体材料及其制备方法
CN114084909A (zh) * 2021-11-12 2022-02-25 河南大学 一种基于同多钨酸盐构筑的锰氧簇及其合成方法

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CN102071466A (zh) * 2010-12-24 2011-05-25 金堆城钼业股份有限公司 一种钼酸铅多晶料的制备方法

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CN102071466A (zh) * 2010-12-24 2011-05-25 金堆城钼业股份有限公司 一种钼酸铅多晶料的制备方法

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* Cited by examiner, † Cited by third party
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CN108495820A (zh) * 2016-02-04 2018-09-04 埃克森美孚化学专利公司 包含贵金属和相应的金属簇合物的多金属氧酸盐
CN110325271A (zh) * 2017-02-24 2019-10-11 Bwxt同位素技术集团有限公司 金属-钼酸盐及其制造方法
CN110483793A (zh) * 2019-08-15 2019-11-22 新疆农业大学 一种多酸超分子晶体材料及其制备方法
CN110483793B (zh) * 2019-08-15 2021-04-02 新疆农业大学 一种多酸超分子晶体材料及其制备方法
CN114084909A (zh) * 2021-11-12 2022-02-25 河南大学 一种基于同多钨酸盐构筑的锰氧簇及其合成方法
CN114084909B (zh) * 2021-11-12 2023-01-17 河南大学 一种基于同多钨酸盐构筑的锰氧簇及其合成方法

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