Alkali, Halogen, Non-disordered, Cubic, Phonons

• I-Na
• Cr-F-H-N-Na
• Cl-K
• Cl-Na
• Cs-I
• infrared spectra
• vibrational spectra
• phonon dispersion
• Raman spectra
• wavenumber of optical phonon
• non-disordered
• halogen
• alkali
• nonmetal
• tripolyhedral