MODIFIED SYNTHESIS AND X-RAY STRUCTURAL-ANALYSIS OF CYANOTRIHYDROBORANATO-TRIS(-ETA5-CYCLOPENTADIENYL)ACETONITRILE URANIUM(V)

被引:7
作者
ADAM, M [1 ]
YUNLU, K [1 ]
FISCHER, RD [1 ]
机构
[1] UNIV HAMBURG,INST ANORGAN & ANALYT CHEM,MARTIN LUTHER KING PL 6,W-2000 HAMBURG 13,GERMANY
关键词
D O I
10.1016/0022-328X(90)87310-A
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A brilliant green product that crystallizes from concentrated solutions of the salt [(n-Bu)4N][Cp3U(NCBH3)2] in acetonitrile solution has been found to be the trigonal bipyramidal complex Cp3U(NCBH3)(NCCH3) (2). A crystallographic single crystal X-ray diffraction study shows the crystals to be monoclinic, space group P21 with a 779.6(3), b 1464.9(4), c 784.9(3) pm; β = 97.24(2)°, Z = 2; R = 0.056 (Rw = 0.063); UN: 254.2(11) and 269(12) pm. Compound 2 is the second example of a transition metal complex with exclusively terminal NCBH3 ligands, and a practically linear MNCB alignment. © 1990.
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页码:C13 / C16
页数:4
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