STERIC EFFECTS IN HETEROBORANES .3. 1-PH-2-ME-1,2-CLOSO-C2B10H10

被引:23
作者
MCGRATH, TD [1 ]
WELCH, AJ [1 ]
机构
[1] HERIOT WATT UNIV,DEPT CHEM,EDINBURGH EH14 4AS,MIDLOTHIAN,SCOTLAND
关键词
D O I
10.1107/S0108270194005809
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The crystallographically determined structure of 2-methyl-1-phenyl-1,2-dicarba-cIoso-dodecaborane(12), C9H18B10, is reported. The 12-vertex polyhedron is relatively undistorted although the phenyl substituent is twisted by ca 73 degrees from its electronically preferred orientation by steric pressure from the methyl group, resulting in a C-C(cage) separation of 1.695 (5) Angstrom.
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页码:646 / 649
页数:4
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