DIMERIC COPPER(II) TRIPHENYLACETATE ADDUCTS WITH 4-PICOLINE

The crystal structure of lacetato-O:O')-bis[(4-methylpyridine-N)copper (II)] ditoluene solvate (1), [Cu(Ph3CCOO)2(4-PiC)]2.2C7H8 (4-pic = 4-p icoline), at 120 K, and the analogous [Cu(Ph3CCOO)2(4-pic)]2.2C6H6 (11 ) at 290 K were determined by single-crystal X-ray diffraction. The cr ystal structures of (I) and (II) are essentially identical, and the co ordination geometry around the Cu atoms is distorted toward trigonal b ipyramidal. The Cu...Cu distances are 2.793 (2) and 2.835 (4) angstrom in (I) and (II), respectively.