A Single Crystal X-ray Diffraction and IR Study of (NH4)(2)[(UO2)C2O4(CH3COO)(2)]

被引：2

作者：

Neklyudova, N. A. ^{[1
]}

Vologzhanina, A. V. ^{[2
]}

Serezhkina, L. B. ^{[1
]}

Serezhkin, V. N. ^{[1
]}

机构：

[1] Samara State Univ, Ul Akad Pavlova 1, Samara 443011, Russia

[2] Russian Acad Sci, Nesmeyanov Inst Organoelement Cpds, Moscow, Russia

来源：

RADIOCHEMISTRY | 2013年 / 55卷 / 01期

关键词：

uranyl compounds; acetates; oxalates; single crystal X-ray diffraction;

D O I：

10.1134/S1066362213010050

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A single crystal X-ray diffraction study of (NH4)(2)[(UO2)C2O4(CH3COO)(2)] was performed. The compound crystallizes in the monoclinic system; unit cell parameters (at 100 +/- 2 K): a = 6.793(2), b = 18.866(6), c = 20.730(7) angstrom, beta = 90.040(7)degrees, space group P2(1)/c, Z = 8, V = 2656.5(14) angstrom(3), R = 0.0495. The main structural units of the crystals are mononuclear complexes [(UO2)C2O4(CH3COO)(2)](2-) belonging to crystal-chemical group AB(3)(01) (A = UO22+, B-01 = CH3COO- and C2O42-) of uranyl complexes. The uranium-containing anions are linked with ammonium cations by electrostatic interactions and a system of hydrogen bonds. The results of the X-ray diffraction analysis of the compound are well consistent with the IR data.

引用

页码：26 / 30

页数：5

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