A DIMERIC COPPER(II) 4-CHLOROPHENOXYISOBUTYRATE ADDUCT WITH METHANOL AND A MONOMERIC COPPER(II) 4-CHLOROPHENOXYISOBUTYRATE ADDUCT WITH PYRIDINE

In the crystal structure of phenoxyisobutyrato-O,O')di(methanol-O)dico pper(II) dimethanol solvate, [Cu(pciba)(2)(CH3OH)](2) . 2CH(3)OH (pcib aH is 4-chlorophenoxyisobutyric acid, C10H11ClO3). there is a dinuclea r Cu-II complex which has a typical cage structure with a Cu ... Cu di stance of 2.6437 (4) Angstrom. The magnetic -2J value is 360 cm(-1) (H = -2JS(1) . S2). In the crystal structure of hlorophenoxyisobutyrato- O,O')dipyridinecopper(II), [Cu(pciba)(2)-(C5H5N)(2)], the monomeric Cu -II complex has a distorted octahedral coordination.