名称:
Synthesis, spectroscopic characterization, and structural studies of new Cu(I) and Cu(II) complexes containing organophosphorus ligands, and crystal structures of (Ph3P)2Cu[S2PMe2], (Ph3P)2Cu[(OPPh2)2N], Cu[(OPPh2)2N]2, and Cu[(OPPh2)(SPPh2)N]2
摘要:
Cu(I)配合物,(Ph3P)2CuL (L = [S2PMe2]-, [OSPR2]- (R = Me, Ph), [(XPR2)(YPR'2)N]- (X, Y, R, R' = O, O, Ph, Ph; O, S, Ph, Ph; O, S, OEt, Ph; S, S, Me, Me)) 和Cu(II)配合物,CuL2 (L = [(XPR2)(YPR'2)N]- (X, Y, R, R' = O, O, Ph, Ph; O, S, Ph, Ph)) 已经制备。Cu(I)衍生物通过多核NMR光谱和两种情况下的X射线晶体学表征。(Ph3P)2Cu[S2PMe2] (1) 在正交晶系空间群P212121 (No. 19)中结晶,晶胞参数为a = 9.782(2) Å,b = 17.808(4) Å,c = 20.216(4) Å,V = 3521(6) Å3,Z = 4,而(Ph3P)2Cu[(OPPh2)2N] (4) 在三斜晶系空间群P[Formula: see text] (No. 2)中结晶,晶胞参数为a = 9.8079(2) Å,b = 12.9141(3) Å,c = 22.5666(5) Å,α = 75.714(2)°,β = 79.465(2)°,γ = 68.2770(8)°,V = 2559.9(1) Å3,Z = 2。在这两种情况下,磷配体是双齿的,因此得到含有四面体CuP2S2和CuP2O2核的单分子化合物。还确定了两个Cu(II)衍生物的分子结构。Cu[(OPPh2)2N]2 (8) 和Cu[(OPPh2)(SPPh2)N]2 (9) 在三斜晶系空间群P[Formula: see text] (No. 2)中结晶,晶胞参数为a = 8.887(2) Å,b = 10.739(2) Å,c = 12.477(3) Å,α = 77.61(3)°,β = 76.15(5)°,γ = 79.46(3)°,V = 1118.3(4) Å3,Z = 1,对于8,以及a = 9.626(2) Å,b = 14.151(3) Å,c = 24.752(5) Å,α = 88.23(3)°,β = 79.93(3)°,γ = 89.77(3)°,V = 3181(1) Å3,Z = 3,对于9。Cu[(OPPh2)2N]2 (8) 的分子具有平面CuO4核,而在Cu[(OPPh2)(SPPh2)N]2 (9) 中观察到平面和四面体铜核的比例为1:2。关键词:结构,铜,硫代磷酸盐,氧-和硫-咪唑二磷酸酯。