X-ray structure of dodecasodium tricopper(II)bis[nonatungstabismuthate(III)] hydrate, a polyoxometalate salt containing α-B-BiW9O33 units

被引：20

作者：

Rosu, C

Rasu, D

Weakley, TJR ^{[1
]}

机构：

[1] Univ Oregon, Dept Chem, Eugene, OR 97403 USA

[2] Univ Babes Bolyai, Dept Inorgan Chem, RO-3400 Cluj Napoca, Romania

来源：

JOURNAL OF CHEMICAL CRYSTALLOGRAPHY | 2003年 / 33卷 / 10期

关键词：

polyoxometalate; heteropolyanion; copper(II); bismuth(III);

D O I：

10.1023/A:1026103306556

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The reaction of [Bi2W22O74(OH)(2)](12-) with Cu2+ in hot aqueous solution in the presence of Na+ affords the polyoxometalate salt Na-12[Cu3Bi2W18O66].32H(2)O. Single-crystal X-ray analysis [monoclinic, space-group C2/m, a = 33.082(6) Angstrom, b = 19.615(5) Angstrom c = 14.885(2) Angstrom, beta = 90.632(12)degrees, Z = 4; R(F) = 0.065 for 6029 data with I > sigma(I), wR(F-2) = 0.135 for all 8793 independent reflections] shows that the anion [{Cu(H2O)}(3){BiW9O33}(2)](12-), on a crystal mirror-plane, has noncrystallographic symmetry close to D-3h. Two B-alpha-[(BiW9O33)-W-III](9-) units are linked by an equatorial belt of three Cu(H2O)(2+) units. Three Na(H2O)(2)(+) units are also attached in the equatorial plane. The bond geometry is square-pyramidal about each Cu atom and trigonal-prismatic about each Na.

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页码：751 / 755

页数：5

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