ANTI-FERROMAGNETIC COMPLEXES INVOLVING METAL-METAL BONDS .1. SYNTHESIS AND MOLECULAR-STRUCTURE OF AN ANTI-FERROMAGNETIC DIMER WITH A CR-CR BOND

被引:66
作者
PASYNSKII, AA [1 ]
EREMENKO, IL [1 ]
RAKITIN, YV [1 ]
NOVOTORTSEV, VM [1 ]
KALINNIKOV, VT [1 ]
ALEKSANDROV, GG [1 ]
STRUCHKOV, YT [1 ]
机构
[1] ACAD SCI USSR,INST ORGANOELEMENT CPDS,MOSCOW V-71,USSR
关键词
D O I
10.1016/S0022-328X(00)81135-3
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The binuclear complex (C5H5)2Cr2(S)(SCMe3)2 was prepared by refluxing a solution of chromocene and t-butylmercaptane in heptane. The structure of the product was determined by single crystal X-ray diffraction. The chronium atoms are linked by a sulphide bridge (SCr 2.24 Å;, <CrSCr 74.1° and two SCMe3 bridges (CrS 2.38 Å;, <CrSCr 68.3-69.3°). The two cyclopentadienyl ligands (CC 1.41 Å;, CrC 2.23 Å;) are in apical positions, their ring planes being parallel to each other. The complex is an antiferromagnet (-2J cm-1) despite the small CrSCr angles and short chromiumchromium distance (2.689 Å;) indicative of strong CrCr bonding. © 1979.
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页码:57 / 64
页数:8
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