Infrared spectrum of CCH+ in solid argon and neon
作者： Lester Andrews , Gary P. Kushto , Mingfei Zhou , Stephen P. Willson , Philip F. Souter
DOI: 10.1063/1.478329
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摘要: Laser-ablation of over ten different transition, lanthanide, and actinide metals with concurrent codeposition acetylene/argon samples at 7 K produced metal independent absorptions for CCH, CCH−, C4H, C4H2, in agreement previous matrix isolation work, a sharp new 1820.4 cm−1 band. Isotopic substitution showed this band to be due largely C–C stretching mode species one H two inequivalent carbon atoms. The same were observed solid neon 4 K, the counterpart was found 1832.2 cm−1. When CO2 added serve as an electron trap, yield CCH− 1772.8 decreased increased relative CCH 1837.9, 1835.0 Quantum chemical calculations coupled-cluster density functional levels predict CCH+ between support assignment infrared absorption cation argon neon.
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