CRYSTAL-STRUCTURE AND VIBRATIONAL-SPECTRA OF [C(NH2)3]2[CR3(MU-3-O)(OOCC2H5)6F3]

被引：31

作者：

ANSON, CE ^{[1
]}

CHAISAARD, N ^{[1
]}

BOURKE, JP ^{[1
]}

CANNON, RD ^{[1
]}

JAYASOORIYA, UA ^{[1
]}

POWELL, AK ^{[1
]}

机构：

[1] UNIV E ANGLIA, SCH CHEM SCI, NORWICH NR4 7TJ, NORFOLK, ENGLAND

来源：

INORGANIC CHEMISTRY | 1993年 / 32卷 / 08期

关键词：

D O I：

10.1021/ic00060a028

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The title complex crystallises in the tetragonal system, I4(1)/a, with a = 14.741(2) angstrom, c = 34.774(4) angstrom, and Z = 8. The trinuclear complex lies on a crystallographic 2-fold axis. The three Cr atoms form an almost equilateral triangle, with one F bonded to each: Cr-(mu3-O) = 1.908 (4), 1.909(2) angstrom; Cr-Cr = 3.308 (1), 3.302(2) angstrom. The Cr-F distances (1.909(4), 1.914(3)angstrom) are the longest yet observed for any chromium(III) complex, and the Cr-F stretching frequencies (492 and 460 cm-1) are the lowest.

引用

页码：1502 / 1507

页数：6

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