BINUCLEAR COPPER(Ⅱ) COMPLEXES OF SOME PLANT GROWTH-STIMULATING SUBSTANCES Ⅱ. SYNTHESES AND STRUCTURES OF BIS(N,N-DIMETHYLFORMAMIDE)-TETRAKIS-[μ-(N-p-(AND m-)METHYLPHENYLPHTHALAMINO)]DICOPPER(Ⅱ)TETRAKIS(N,N-DIMETHYLFORMAMIDE) SOLVATE

<正> [Cu2( -C-N-C6H4CH3-p)4(DMF)2]-4DMF(1), Mr = 1582.7, triclinic,Pl, a = 10.761(1), b = 13.930(3), c = 15.116(3) A;α= 114.74(1),β= 101.82 (1),r= 95.85(1)°,V = 1969.0 A3,Z=1,Dm= 1.36,DC =1.335 g/cm3.[Cu2(-C-N-C6H4Ch3-M)4.(DF)2].4DMF(2), Mr = 1582.7, triclinic, Pl,a = 10.588(5), b = 13.699(2), c = 15.759(4) A;α= 114.88(2),β= 103.89(3), γ=92.56(3)°, V =1985.3 A3, Z = 1, 0. = 1.39,Dc= 1.324 g/cm3.The four phthalamine groups in molecules of (1) and (2) are all biden-tate bridging ligands to Cu atoms and there are two terminal DMF ligands, one on each Cu atom. The Cu-Cu distances are 2.635(1) and 2.641(1) A for (1) and (2) respectively.