期刊文献+

由大环配体[As_4W_(40)O_(140)]^(28-)与Ni~Ⅱ形成的新型超大杂多化合物 被引量:1

原文传递
导出
摘要 在pH=4.0的水溶液中,NiCl2·6H20,NH4Cl与Na27[NaAs4W40O140].60H2O反应,得到了新的杂多砷钨酸盐(NH4)20[Na2(H2O)2Ni(H2O)5(Ni(H2O)}2As4W40O140].61H2O单晶,用X射线单晶衍射法及元素分析确定了其结构,晶体属三斜晶系,P1空间群;其晶胞参数为:a=1.33135(18),b=1.9722(3),C=3.6430(5)nm,a=78.010(2)。,β=82.145(2)。,γ=74.385(2)。,V=8.978(2)nm3,Z=2,R1=0.0512,wR2=0.0684(I>2σ).在聚阴离子[Na2(H2O)2Ni(H2O)5{Ni(H2O)}2As4W40O140]20-中,2个Ni2+和2个Na+分占大环配体[As4W40O140]28-内的4个S2空位,每个S2位提供4个Od向金属离子配位,2个Ni2+的配位数为6,两个Na+的配位数分别为5和6,另一个Ni2+处于环外,与[As4W40O140]28-的一个端基氧(Od)桥连成键,其配位数为6.
出处 《中国科学(B辑)》 CSCD 北大核心 2002年第6期561-567,共7页 Science in China(Series B)
基金 陕西省化学反应工程重点实验室开放基金 陕西省教委专项基金(99JK105)资助项目
  • 相关文献

参考文献13

  • 1Rhule J T, Hill C L, Tudd D A, et al. Polyoxometalates in medicine. Chem Rev, 1998, 98: 327 - 357
  • 2Pope M T, Müller A. Polyoxometellates: from platonic solids to Antiretro-viral Activity. Kluwer: Dordrecht, 1994. 245 ~ 371
  • 3Ouahab L. Organic/inorganic supramolecular assemblies and synergy between physical properties. Chem Mater, 1997, 9: 1909 ~ 1926
  • 4Baker L C W, Glick D C. Present general status of understanding of heteropoly electrolytes and a tracing of some major highlights in the history of their elucidation. Chem Rev, 1998, 98: 3 ~ 49
  • 5Hill C L, Prosser-Mclartha C M. Homogeneous catalysis by transition metal oxygen anion clusters. Coordination Chemistry Reviews, 1995, 143: 407 ~ 455
  • 6Liu Jingfu, Guo Jun, Zhao Beng, et al. Synthesis and characterization of novelheteropolytungstoarsenate containing lanthanum [LaAs4W40O140]25- and its derivatives [LaAs4W40O140M2]n-. Transition Met Chem, 1993, 18: 205 ~ 208
  • 7Wassermann K, Pope M T. Large cluster formation though multiple substitution with lanthanide cations (La, Ce, Nd, Sm, Eu, and Gd) of the polyoxoanion [(B-α-AsO3W9O30)4(WO2)4]28-: Synthesis and structural characterization. Inorg Chem, 2001, 40: 2763 ~ 2768
  • 8薛岗林.一个新的铈砷钨酸盐大阴离子[As4W40O140Ce(H2O)5]^25—[J].化学学报,2001,59(9):1519-1521. 被引量:4
  • 9Robert F, Leyrie M, Herve G, et al. Crystal structure of ammonium dicobalto (Ⅱ)-40-tungstotetraarsenate(Ⅲ): Allosteric effects in the ligand. Inorg Chem, 1980, 19: 1746 ~ 1752
  • 10Hur N H, Klemperer W G, Wang R C, et al. Sodium Tetracontatungstotetraarsenate(Ⅲ), Na27[NaAs4W40O140]@60H2O. Inorganic Synthesis, 1990, 27: 118

二级参考文献8

  • 1Liu J,Transition Met Chem,1993年,18卷,205页
  • 2Xue G L,高等学校化学学报
  • 3Pope M T,Müller A.Polyoxometalate chemistry: An old field with new dimension in several disciplines[].Angewandte Chemie International Edition.1991
  • 4Hill C L.Polyoxometalate[].Chemical Reviews.1998
  • 5Hoffmann D M,Hoffmann R,Fisel C R.Perpendicular and parallel acelylene complexes[].Journal of the American Chemical Society.1982
  • 6Summerville R H,Hoffmann R.Tetrahedral and other M2L6 transition metal dimers[].Journal of the American Chemical Society.1976
  • 7Chae H K,Klemperer W G,Paez Logo D E,et al.Synthesis and structure of a highnuclearity oxomolybdenum (Ⅴ) complex, [(C5Me5-RhⅢ)8 - (MoⅤ12O36)(MoⅥO4)]2+[].Inorganic Chemistry.1992
  • 8Besecher C J,Day V W,Klemperer W G,et al.Sythesis and structure of the [(OC)3Mn(cis-Nb2W4O19)]3? and [(OC)3Re·(cis-Nb2W4O19)]3? anions[].Inorganic Chemistry.1985

共引文献6

同被引文献4

引证文献1

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部