DIMORPHOUS CRYSTALS OF ACETONITRILE-TRIS-(ETA-5-CYCLOPENTADIENYL)SAMARIUM(III)

被引:9
作者
ADAM, M [1 ]
SCHULTZE, H [1 ]
FISCHER, RD [1 ]
机构
[1] UNIV HAMBURG,INST ANORGAN & ANGEW CHEM,MARTIN LUTHER KING PL 6,W-2000 HAMBURG 13,GERMANY
关键词
D O I
10.1016/0022-328X(92)83324-B
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The adduct (C5H5)3SmIII(NCCH3) turns out to crystallize not only in the already reported [3] orthorhombic form 1a (space group Pnma), but also as a triclinic modification 2b with space group P1BAR and a 854.6(3), b 865.9(3), and c 1094.3(4) pm; alpha-68.17(4), beta-82.49(3) and gamma-85.63(3)-degrees; final R-value: 0.033 (R(w) = 0.032). 2b represents a structural alternative which appears to be more readily made, but somewhat less useful, e.g. for spectroscopic studies of spatially oriented single crystals.
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收藏
页码:C1 / C3
页数:3
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