#page(flipped: true)[#figure({ set par(justify: false); table(columns: 12, align: center + horizon, // inset: (x: 3pt, y: 5pt), table.cell(rowspan: 3)[*Variation of Lattice Constant*], table.cell(colspan: 11)[*Variation of Frequency (cm#super[-1])*], table.cell(colspan: 6)[*Negligible-polar Phonons*], table.cell(colspan: 2)[*Strong-polar Phonons (z)*], table.cell(colspan: 3)[*Strong-polar Phonons (y)*], [E#sub[2] at 195.5 cm#super[-1]], [E#sub[2] at 203.3 cm#super[-1]], [E#sub[1] at 269.7 cm#super[-1]], [A#sub[1] at 609.5 cm#super[-1]], [E#sub[2] at 776 cm#super[-1]], [A#sub[1] at 839 cm#super[-1]], [E#sub[1] at 795 cm#super[-1]], [A#sub[2] at 963 cm#super[-1]], [z at 782 cm#super[-1]], [x at 796 cm#super[-1]], [y at ? cm#super[-1]], [In-plane, expand $1 permille$], [0.00], [0.02], [0.05], [-0.75], [-2.21], [-1.17], [-2.14], [-1.30], [-1.00], [-2.14], [-2.35], [In-plane, shrink $1 permille$], [0.00], [-0.01], [-0.04], [0.76], [2.21], [1.16], [2.13], [1.31], [1.02], [2.13], [2.35], [Out-of-plane, expand $1 permille$], [-0.03], [-0.09], [0.02], [-0.95], [-0.58], [-1.64], [-0.49], [-1.69], [-1.55], [-0.49], [-0.69], [Out-of-plane, shrink $1 permille$], [0.00], [0.08], [-0.05], [0.93], [0.57], [1.61], [0.49], [1.69], [1.55], [0.49], [0.69], [x, expand $1 permille$], [-0.09], [-0.08], [-0.08], [-0.38], [-1.38], [-0.59], [-1.37], [-0.65], [-0.49], [-1.33], [-0.98], [x, shrink $1 permille$], [-0.09], [-0.10], [-0.12], [0.38], [0.83], [0.58], [0.77], [0.65], [0.53], [1.32], [0.98], )}, caption: [frequency shift caused by lattice constant variation], placement: none, )] // E2 E2 E1 2B1 A1 // m(3)[195.5], m(3)[203.3], m(2)[269.7], m(2)[-], m(3)[609.5], // E1 E2 E2 A1 2B1 // m(2)[-], m(3)[776], m(5)[-], [839], m(2)[-], // // z y 45 y&z // m(2)[776.57], m(3)[933.80], m(3)[761.80], [776.57], [941.33], m(4)[762.76], [776.57], m(4)[940.86],