Lewis base adducts of group 11 metal compounds. 10. The 1:1 heterobimetallic adduct of tris(pyrrolidinecarbodithioato)cobalt(III) with copper(I) bromide
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Reaction of copper(1) bromide with tris(pyrrolidinecarbithioato)cobalt(III) has yielded a 1 : 1 adduct that has been characterized by single-crystal X-ray structure determination. Crystals are triclinic, PT, a = 15.385 (4) A, b = 15.025 (4) A, c = 11.088 (4) A, a = 76.01 ( 2 ) O , @ = 79.67 ( 2 ) O , and 7 = 78.18 (2)'; the structure was refined by least-squares methods to a residual of 0.036 for 4369 independent observed reflections. The complex is dimeric, of the type (C~(dtc)~)CuBr~Cu(Co(dtc)w,)it,h two such units in the cell. The copper is four-coordinate by two bromine atoms and two sulfur atoms from independent carbodithioate ligands, the approach of the copper to the latter being along the pseudo-2-fold axis of the Co(dtc), species. Cu-Cu is 2.697 (2) A.
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