Synthesis and Properties of α- and β-Modifications of Bis(1-Hydroxyethane-1,1-Diphosphonato(1-))Diaquocopper(II) Trihydrate: Crystal Structure of β-[Cu{CH3COH(PO3H2)(PO3H)}2(H2O)2] • 3H2O

被引：0
|
作者：
Afonin, E. G. [1 ]
Aleksandrov, G. G. [1 ]
Sergienko, V. S. [1 ]
机构：
[1] Russian Acad Sci, NS Kurnakov Gen & Inorgan Chem Inst, Moscow 117907, Russia
来源：
RUSSIAN JOURNAL OF COORDINATION CHEMISTRY | 1997年 / 23卷 / 11期
关键词：
D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two modifications [alpha(I) and beta(II)] of the [Cu(H(3)L)(2)(H(2)O)(2)] center dot 3H(2)O compound were synthesized, and [Cu(H(3)L)(2)] (III) was prepared by the dehydration of II at 130 degrees C. Compounds I-III were characterized by X-ray powder diffraction and thermal analyses. Crystals II were subjected to X-ray structural study. The Cu atom has a distorted tetragonal-bipyramidal coordination (4 + 2) because to four O atoms of the two bidentate-chelate H(3)L(-) ligands lying in the equatorial plane (Cu-O 1.948 and 1.970 angstrom) and the two O atoms of the H(2)O molecules occupying axial positions (Cu-O 2.456 angstrom).
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页码：794 / 800
页数：7
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