THE CRYSTAL AND MOLECULAR-STRUCTURE OF BIS [1,2-BIS(DIPHENYLPHOSPHINO)ETHANE] SILVER(I) NITRATE

被引:37
作者
HARKER, CSW [1 ]
TIEKINK, ERT [1 ]
机构
[1] UNIV ADELAIDE, DEPT PHYS & INORGAN CHEM, JORDAN LABS, ADELAIDE, SA 5001, AUSTRALIA
关键词
diphosphine; dppe; Silver(I); X-ray structure;
D O I
10.1080/00958979009408190
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The title compound, [Ag(dppe)2]N03, is shown to be bis-chelated by two dppe ligands so that the silver atom is four-coordinate; Ag-P 2.488(3), 2 x 2.523(3) and 2.527(3) A. Distortions from ideal tetrahedral geometry are related to the restricted bite distances of the dppe ligands such that the P(1)-Ag-P(2) and P(3)-Ag-P(4) angles are 84.5(1) and 83.8(1)°, respectively. The compound crystallizes in the monoclinic space group P21/n with unit cell dimensions a = 14.834(2), b = 19.795(2), c = 15.856(3)A,β = 93.09(1)° and Z = 4. The structure was refined by a full-matrix least-squares procedure to final R = 0.063 for 3776 reflections with I 2.5 σ(7). © 1990, Taylor & Francis Group, LLC. All rights reserved.
引用
收藏
页码:287 / 293
页数:7
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