Abstract
Abstract The trapping sites of Ag 2 molecules in rare-gas matrices are characterized by their vibrational modes as measured by resonance Raman scattering. Low-energy modes that form combination bands with the Ag 2 stretching vibration are identified as external localized or resonant modes of the molecule. The disputed absorption band at 443 nm in argon matrices is shown to be due to Ag 2 . The absorption band at 356 nm in neon matrices is correlated with a 180.8 cm −1 vibrational band. Possible lattice sites of disilver in rare-gas matrices are briefly discussed.
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