An experimental and theoretical approach of spectroscopic and structural properties of the bis(diethyldithiocarbamate)–cobalt(II)
作者:A.C. Costa Júnior、O. Versiane、G. Faget Ondar、J.M. Ramos、Glaucio B. Ferreira、A.A. Martin、C.A. Téllez Soto
DOI:10.1016/j.molstruc.2012.06.041
日期:2012.12
and C N bonds and their neighboring groups. The observed valence configurations for the alpha and beta electrons of the cobalt atom were (4 s ) 0.46 (3d) 7.69 (B3LYP) and (4s) 0.46 (3d) 7,68 (PBE1PBE), as expected for the planar structure around the Co(II) cation. The calculated infrared and UV–Vis spectra, based on the proposed geometrical structure of the bis(diethyldithiocarbamate)cobalt(II) complex
摘要 理论和实验波段已指定为双(二乙基二硫代氨基甲酸酯)Co(II) 配合物 [Co(DDTC) 2 ] 的傅立叶变换红外光谱 (FT-IR) 和 FT-拉曼光谱。计算基于 DFT/B3LYP 方法、二阶导数光谱和波段解卷积分析。[Co(DDTC) 2 ] 的紫外-可见实验光谱是在固态和乙腈溶液中测量的。使用 TD/PBE1PBE 和 TD/B3LYP 方法 6-311G (d,p) 基组为所有原子估计计算的电子光谱。使用 DFT:B3LYP/PBE1PBE 方法进行键轨道分析,揭示了涉及 Co S 和 CN 键及其相邻基团的电子离域效应。观察到的钴原子的 α 和 β 电子的价构型为 (4 s ) 0.46 (3d) 7。69 (B3LYP) 和 (4s) 0.46 (3d) 7,68 (PBE1PBE),正如 Co(II) 阳离子周围的平面结构所预期的那样。基于双(二乙基二硫代氨基甲酸)钴