High-Pressure Synthesis and Study of NO⁺NO₃⁻ and NO₂⁺NO₃⁻ Ionic Solids

Table 1

Correlation between point group, site group, and factor group symmetry species and their Raman and IR activities for the NO⁺ and NO₃⁻ molecular ions in the monoclinic, 𝐶²_2ℎ (𝑃2₁/𝑚), NO⁺NO₃⁻ crystal.