Crystal structure of Cu12P20Br10, a polyphosphide containing a new phosphorus polymer

被引:18
作者
Freudenthaler, E [1 ]
Pfitzner, A [1 ]
机构
[1] UNIV GESAMTHSCH SIEGEN,FACHBEREICH 8,D-57068 SIEGEN,GERMANY
来源
ZEITSCHRIFT FUR KRISTALLOGRAPHIE | 1997年 / 212卷 / 02期
关键词
D O I
10.1524/zkri.1997.212.2.103
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
We report about the crystal structure of Cu12P20Br10, a polyphosphide containing the new polyanionic phosphorus polymer (1)(infinity)[P-20(2-)]. It crystallizes in the triclinic system, space group <P(1)over bar> (No. 2) with a = 9.886(2) Angstrom, b = 13.190(2) degrees, c = 14.763(3) Angstrom, a = 70.83(1)degrees, beta = 82.68(1)degrees, gamma = 80.13(1)degrees, V = 1786.1(6) Angstrom(3) and Z = 2. The phosphorus atoms build up one dimensional negatively charged tubes consisting of condensed 5- and 6-membered rings. They are connected via copper atoms to form double tubes oriented parallel [010] and are embedded between wavy layers of copper and bromine atoms. All copper atoms except those that are linked to negatively charged P-atoms are strongly disordered.
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页码:103 / 109
页数:7
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