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Nonmetal, O-V, Phonons
O-Sr-V
O-V-Y
Bi-O-V
Na-O-V
H-K-O-Se-V
wavenumber of optical phonon
Raman spectra
infrared spectra
vibrational spectra
wavenumber of longitudinal optical phonon
transitional
chalcogen
nonmetal
non-disordered
oxide
monoclinic
tetragonal
trigonal
orthorhombic
cubic