Vanadium(V) complexes with hydrazone and benzohydroxamate ligands: synthesis, structures and catalytic epoxidation
作者:An-Mei Li
DOI:10.1080/00958972.2014.931577
日期:2014.6.18
3449(8) Å, β = 105.160(2)°, V = 2373.4(2) Å3, Z = 4, R1 = 0.0376, wR2 = 0.0844, GOOF = 1.058; 2 crystallizes in the monoclinic space group P21/c, with unit cell dimensions a = 10.6439(7), b = 16.1968(9), c = 13.1108(8) Å, β = 104.180(2)°, V = 2191.4(2) Å3, Z = 4, R1 = 0.0521, wR2 = 0.1142, GOOF = 1.018. X-ray analysis indicates that vanadium in the complexes are coordinated by phenolate oxygen, imino nitrogen
两种结构相似的钒 (V) 配合物 [VOL1L] (1) 和 [VOL2L] (2),其中 L1 是 N'-(3,5-二溴-2-羟基苯亚甲基)-4-甲氧基苯甲酰肼的双阴离子形式,L2是N'-(3,5-二溴-2-羟基亚苄基)烟酰肼的双阴离子形式,L是苯异羟肟酸酯,通过元素分析、红外光谱和单晶X射线衍射进行了制备和表征。1 在单斜空间群 P21/c 中结晶,晶胞尺寸 a = 12.0262(7), b = 16.5629(9), c = 12.3449(8) Å, β = 105.160(2)°, V = 2373.4(2) ) Å3, Z = 4, R1 = 0.0376, wR2 = 0.0844, GOOF = 1.058; 2 在单斜空间群 P21/c 中结晶,晶胞尺寸 a = 10.6439(7), b = 16.1968(9), c = 13.1108(8) Å, β = 104.180(2)°