Crystal structure of bis(l-arginine)copper(II) hexachlorodimercurate, [Cu(l-Arg)2]Hg2Cl6

被引：11
|
作者：
Zabel, M. [1 ]
Pavlovskii, V. I. [2 ]
Poznyak, A. L. [2 ]
机构：
[1] Univ Regensburg, Inst Inorgan Chem, D-8400 Regensburg, Germany
[2] Natl Acad Sci, BI Stepanov Phys Inst, Minsk, BELARUS
来源：
JOURNAL OF STRUCTURAL CHEMISTRY | 2008年 / 49卷 / 04期
关键词：
crystal structure; complexes of Cu(II) with arginine; chloromercurate(II)-ions;
D O I：
10.1007/s10947-008-0107-3
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
By means of X-ray diffraction the chain structure of [Cu(l-Arg)(2)]Hg2Cl6 (monoclinic, a = 10.2348(9) angstrom, b = 9.1386(7) angstrom, c = 14.8521(14) angstrom, beta = 97.455(11)degrees, space group P2(1)) is established. The chains are formed by square-planar [Cu(l-Arg)(2)](2+) cations of the type trans-[Cu(N)(2)(O)(2)] (l-Arg is the zwitter-ion of arginine; Cu-N 1.992 angstrom and 1.938(6) angstrom, Cu-O 1.953 angstrom and 1.967(4) angstrom) that are bonded to two adjacent binuclear [Cl2Hg(mu-Cl)(2)HgCl2](2-)ions through its clorine atoms Cl (Hg-Cl bonds are within 2.34-2.78 angstrom). With these two additional Cu center dot center dot center dot Cl contacts Cu adopts the geometry of an elongated octahedron with two apical Cl (Cu-Cl 2.961 angstrom and 3.064(3) angstrom).
引用
收藏
页码：758 / 761
页数：4
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