Probing the structural and electronic properties of AgnH- (n=1-3) using photoelectron imaging and theoretical calculations
作者： Hua Xie , Xiaopeng Xing , Zhiling Liu , Ran Cong , Zhengbo Qin
DOI: 10.1063/1.4713938
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摘要: Structural and electronic properties of silver hydride cluster anions (AgnH−; n = 1–3) have been explored by combining the negative ion photoelectron imaging spectroscopy theoretical calculations. The spectrum AgH− exhibits transitions from 2Σ+ to AgH 1Σ+ 3Σ+, with electron affinity (EA) 0.57(3) eV. For Ag2H−, only observed transition is Ag2H− (C∞v) Ag2H (C2v) 2A′ 2.56(5) Two obvious bands are in Ag3H−, which assigned Ag3H− (C2v-T, means C2v geometry top site hydrogen) 2B2 Ag3H (C2v-T) 1A1 3B2. determined be 1.61(9) Ag-H stretching modes ground states experimentally resolved their frequencies measured 1710(80) 1650(100) cm−1, respectively. Aside above EAs vibrational frequencies, vertical detachment energies all grou...
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