Absorption and resonance Raman spectra of Pb2, Pb3, and Pb4 in xenon matrices | Zendy

David D. Stranz | Zendy; Raj K. Khanna | Zendy

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Absorption and resonance Raman spectra of Pb2, Pb3, and Pb4 in xenon matrices

Author(s) -

David D. Stranz,

Raj K. Khanna

Publication year - 1981

Publication title -

the journal of chemical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.071

H-Index - 357

eISSN - 1089-7690

pISSN - 0021-9606

DOI - 10.1063/1.441316

Subject(s) - overtone , xenon , raman spectroscopy , resonance (particle physics) , absorption (acoustics) , spectral line , absorption spectroscopy , dissociation (chemistry) , atomic physics , materials science , chemistry , analytical chemistry (journal) , nuclear magnetic resonance , physics , optics , composite material , chromatography , astronomy

Lead metal was vaporized and trapped in solid xenon at 12 K. Electronic absorption and resonance Raman spectra were recorded of the resulting matrix, which was shown to contain Pb2, Pb3, and possibly Pb4 molecular species. The vibrational frequency for Pb2 is determined to be 108 cm−1 for the ground state, with a dissociation energy of ∼8200 cm−1. A D3h symmetry is suggested for the Pb3 species, with ν1=117 and ν2=96 cm−1. The existence of Pb4 is suggested by a fundamental and overtone of 111 cm−1 spacing.

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