三缺位Keggin结构磷钨酸甲基苯基硅衍生物[(C4H9)4N]3[α-A-PW9O34(C6H5SiCH3)3]的合成和表征.pdf

第28卷第10期
无机化学学报
Vol28 No 10
2012年10月
CHINESE JOURNAL OF INORGANIC CHEMISTRY
2236-2240
缺位Kegn结构磷钨酸甲基苯基硅衍生物
[(C4H) Nsa-A-PWsO( CAISSICH3)l的合成和表征
张东娣12王科2燕庆霞2马鹏涛2王故平*2
(河南大学药学院,开封475004)
河南大学化学化工学院分子与晶体工程研究所,开封475004)
摘要:通过三缺位 Keggin结构杂多阴离子[a-A-PW0q和二氯甲基苯基硅烷在乙腩溶液中反应,合成了一例结构新颖的甲基
苯基硅衍生物[( C4HO) N]: a-A-PW,O( CAHS SICH)]l(1),并对其进行元素分析,红外光谱,紫外光谱,热分析和X-射线单晶衍射等表
征。该配合物属于三方晶系,空间群为R3m,晶胞参数:u=2.,2613(2)nm,b=2.2613(2)mm,c=1.7976(4)nm,V=7.9602(18)nm
3。在配合物中,阴离子[a-A-PWO( COH SICH)呈C对称,3个甲基苯基硅基团连接在三缺位的阴离子[a-A- PW9 0表面,整
个阴离子显示“开放结构”。
关键词:有机硅;三缺位礫钨酸盐;晶体结构;合成
中图分类号:0614.613
文献标识码:A
文章编号:1001-4861(2012)10-2236-05
A Methylphenylsilyl Group-substituted Derivative Based on the Trivacant
Keggin Structure Tungstophosphate [(C4,)N3 03(CEHSSICH)l
Synthesis and Structural Characterization
ZHANG Dong-dil2 WANG Ke? YAN Qing-xia MA Peng-tao WANG Jing-ping*
Pharmaceutical College, Henan University, Kaifeng, Henan 475004, China)
(Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering
Henan University, Kaifeng, Henan 475004, China)
Abstract: A methylphenylsilyl group-substituted derivative [(C H )N [A-A-PW 0(H SICH) ](1)has been
tained by reaction of the trivacant [Q-A-PW O anion with dichloromethylphenylsilane CHSICH C12 in
acetonitrile. The new complex was characterized by elemental analysis, IR spectra, UV spectra, thermogravimetric
analysis and X-ray crystallography. The compound 1 crystallizes in the trigonal space group R3m, with lattice
constants a=2. 261 3(2)nm, b=2.261 3(2)nm, c-1.797 6(4)nm, V=7. 960 2(18)nm', and Z=3. The polyoxoanion
TQ-A-PW 0 (H ICH ]has a structure of virtual symmetry with three C H SICH groups grafted on the
surface of the trivacant tungstophosphate and displays an"open-structure". CCDC; 830334
Key words: organosilyl; trivacant tungstophosphate; crystal structure; synthesis
The design and synthesis of derivatized polyoxo- bifunctional catalysis, antiviral and antitumoral
metalates (POMS)have attracted considerable atten-chemotherapy12. It is known that covalent attachment
tion in recent years originating from the fundamental of or anic or organometallic groups to POMS can be a
interest of modeling catalysis by metal oxides as well strategy for increasing the structural diversity and
as potential applications in different fields, including improving their properties". This approach has been
收稿日期:2012-03-26。收修改稿日期:2012-09-06。
国家自然科学基金(No.21071042);河南省基础与前沿技术研究课题(No.122300410126)资助项目。
*通讯联系人。F-mail:jpwang@henu.edu.cn