CRYSTAL AND MOLECULAR-STRUCTURE OF THE MONOCLINIC MODIFICATION OF MN(S2CO-I-C3H7)(2)(2,2'-BIPY)

The crystal and molecular structure of modification II of the Mn(S2CO- i-C3H7)(2)(2,2'-Bipy) complex was determined from X-ray diffraction da ta (''Syntex P2(1)'' diffractometer, CuKalpha radiation, 1603 F(hkl), R = 0.0446). The crystals are monoclinic, a = 23.350(3), b = 9.325(1), c = 22.030(2) Angstrom, beta = 106.98(1)degrees, V = 4587.7 Angstrom( 3), Z = 8, d(calc) = 1.394 g/cm(3), space group C2/c. The structure co nsists of monomeric molecules in which the manganese atom has a distor ted octahedral environment (4S+2N). The orthorhombic and monoclinic mo difications of the complex are compared with respect to the molecular geometry and packing.