CHROMIUM(II) AND MOLYBDENUM(II) N,N-DIETHYLCARBAMATO COMPLEXES FROM METAL HALIDES(CO2) NHET2 - CRYSTAL AND MOLECULAR-STRUCTURE OF THE QUADRUPLY METAL-METAL-BONDED MO2(O2CNET2)4

被引:13
作者
BELFORTE, A [1 ]
DELLAMICO, DB [1 ]
CALDERAZZO, F [1 ]
DEVILLERS, M [1 ]
ENGLERT, U [1 ]
机构
[1] UNIV PISA,DIPARTIMENTO CHIM & CHIM IND,SEZ CHIM INORGAN,VIA RISORGIMENTO 35,I-56126 PISA,ITALY
关键词
D O I
10.1021/ic00063a016
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The reaction of NHEt2 with CO2 and chlorinated chromium(II) substrates yielded Cr2(O2CNEt2)4(NHEt2)2 identical with the product obtained by a different route. The dichloride beta-MoCl2 reacts with the NHEt2/CO2 system to give Mo2(O2CNEt2)4 in good yields. Crystal data: M(r) = 658.4; triclinic; space group P1; a = 9.217(3), b = 9.613(3), c = 8.852(3) angstrom; alpha = 95.46(3), beta = 104.66(3), gamma = 63.12(3)degrees; V = 676.6 angstrom3; Z = 1; D(c) = 1.610 g cm-3. Each molybdenum atom in a square pyramidal geometry is surrounded by four carbamato oxygens, the Mo-Mo distance of the quadruply bonded system being 2.067(2) angstrom.
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页码:2282 / 2286
页数:5
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