P121/n1, Phonons

• Cr-H-Nd-O
• Cr-H-La-O
• Cr-H-O-Pr
• Ag-Mo-O-Se
• H-O-Pr-S
• wavenumber of optical phonon
• infrared spectra
• Raman spectra
• vibrational spectra
• wavenumber of longitudinal optical phonon
• chalcogen
• non-disordered
• transitional
• quaternary
• rare earth
• monoclinic
• triclinic