Reactions of Laser-Ablated Ni, Pd, and Pt Atoms with Carbon Monoxide: Matrix Infrared Spectra and Density Functional Calculations on M(CO)<i><sub>n</sub></i> (<i>n</i> = 1−4), M(CO)<i><sub>n</sub></i><sup>-</sup> (<i>n</i> = 1−3), and M(CO)<i><sub>n</sub></i><sup>+</sup> (<i>n</i> = 1−2), (M = Ni, Pd, Pt)
作者:Binyong Liang、Mingfei Zhou、Lester Andrews
DOI:10.1021/jp993646q
日期:2000.5.1
Laser-ablated Ni, Pd, and Pt atoms have been reacted with CO molecules followed by condensation in excess neon at 4 K. Besides the neutral metal carbonyl species, metal carbonyl anions [M(CO)n- (n = 1−3)] and cations [Ni(CO)n+ (n = 1−4), Pd(CO)n+ (n = 1,2), and Pt(CO)n+ (n = 1−3)] have been produced and identified. Doping with the CCl4 electron trap increases cation and decreases anion absorptions
激光烧蚀的 Ni、Pd 和 Pt 原子已与 CO 分子反应,然后在 4 K 时在过量氖中缩合。除了中性金属羰基物质外,金属羰基阴离子 [M(CO)n- (n = 1−3) ] 和阳离子 [Ni(CO)n+ (n = 1-4)、Pd(CO)n+ (n = 1,2) 和 Pt(CO)n+ (n = 1-3)] 已经产生和鉴定。掺杂 CCl4 电子陷阱会增加阳离子并减少阴离子吸收,并确认离子种类的识别。从 DFT 计算中观察到的波段和频率与同位素频率比之间的极好一致性支持振动分配和这些金属羰基配合物的识别。