Non-disordered, Transitional, Optical properties, P121/n1

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