CRYSTAL-STRUCTURE OF OCTACYANOMOLYBDATES(IV) .2. QUADRATIC ANTIPRISMATIC [MO(CN)8](4-) COORDINATION IN THE THALLIUM COMPOUND TL4[MO(CN)8]

被引：8

作者：

MESKE, W ^{[1
]}

BABEL, D ^{[1
]}

机构：

[1] UNIV MARBURG,WISSENSCHAFTLICHES ZENTRUM MAT WISSENSCH,W-3550 MARBURG,GERMANY

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 1992年 / 183卷

关键词：

D O I：

10.1016/0925-8388(92)90740-Z

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Single crystals of Tl4[Mo(CN)8] were structurally characterized by X-rays: a = 3087,7(10) pm, b = 734,8(1) pm, c = 1612,6(4) pm, beta = 120,97(2)-degrees, monoclinic space group C2/c, Z = 8, wR = 0,039 for 1690 independent reflections. Within the approximately square antiprismatic (Mo(CN)8]4- group the average distances are Mo-C = 215 pm and C-N = 116 pm. Distances in the range Tl-N = 275...368 pm result for the four symmetry-independent thallium atoms with an average of Tl-N = 314 pm for irregular polyhedra of coordination numbers 7 and 8. The significant stereochemical influence of the inert s2 pair in both 7-coordinations is discussed.

引用

页码：158 / 167

页数：10

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