Synthetic and structural chemistry of hexacobalt cluster compounds II. Preparation and structure of Co6(μ‐S)8 (Ph2PCH2P(O)Ph2)6

Co4(μ3-S)8(Ph2PCH2sP(O)Ph2)6, MW = 3012.5, space group R3, has the hexagonal parameters, a = 26.764 (10), c = 16.979 (10) A, V = 10532.8 A3, Z = 3. Mo Ka radiation, λ = 0.71069 A, Dc = 1.425 g/cm3, μ = 9.94 cm−3, F(000) = 4650, R = 0.073 and Rw = 0.077 for 1965 observed unique reflections with I > 3σ (I). The molecular structure consists of a distorted octahedral Co4—core. The Co—Co and Co—S distances fall in the range of 2.805—2.838 and 2.213—2.253 A, respectively.