Synthesis and structural characterisation of a mixed-valent cerium complex containing a (H2O)38 cluster

被引：4
|
作者：
Prasad, T. K. [1 ]
Rajasekharan, M. V. [1 ]
机构：
[1] Univ Hyderabad, Sch Chem, Hyderabad 500046, Andhra Pradesh, India
来源：
SYNTHESIS AND REACTIVITY IN INORGANIC METAL-ORGANIC AND NANO-METAL CHEMISTRY | 2008年 / 38卷 / 01期
关键词：
water cluster; (H2O)(38); mixed-valent cerium complex; dipicolinic acid; crystal structure;
D O I：
10.1080/15533170701853967
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A new H-bonded (H2O)(38) water cluster was identified in a mixed-valent cerium dipicolinate complex [Ce-IV(dipic)(3)Ce-III (H2O)(8)][Ce-IV(dipic)(3)Ce-III(H2O)(7)Ce-IV(dipic)(3)]center dot 20H(2)O (dipicH(2) = dipicolinic acid). Such a large cluster built around an inversion centre and occupying 20% of the unit cell volume is supported by the bulky acceptor rich complex ions in the crystal lattice. The compound crystallises in the triclinic crystal system with space group P (1) over bar and unit cell parameters; a = 16.5285(9) angstrom, b = 17.1905(10) angstrom, c = 19.5220(11) angstrom, alpha = 76.0440(10)degrees, beta = 79.0180(10)degrees, gamma = 65.6370(10)degrees, V = 4877.7(5) angstrom(3).
引用
收藏
页码：55 / 60
页数：6
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