fig2b.dat: Data for Fig.2(b)
column 1: k-path, column 2: phonon frequency (THz)
(k-path G: 0.000000, M: 0.137514, K: 0.216907, G: 0.375694, A: 0.419263, L: 0.556776, H: 0.636170, A: 0.794957)

fig2c_GM.dat: Data for the G-M path in Fig.2(c)
column 1: k-path, column 2: energy (eV)
(k-path G: 0.00000000, M: 0.13751346)

fig2c_MK.dat: Data for the M-K path in Fig.2(c)
column 1: k-path, column 2: energy (eV)
(k-path M: 0.00000000, K: 0.07939343)

fig2c_KG.dat: Data for the K-G path in Fig.2(c)
column 1: k-path, column 2: energy (eV)
(k-path K: 0.00000000, G: 0.15878687)

fig2c_GA.dat: Data for the G-A path in Fig.2(c)
column 1: k-path, column 2: energy (eV)
(k-path G: 0.00000000, A: 0.04356919)

fig2c_AL.dat: Data for the A-L path in Fig.2(c)
column 1: k-path, column 2: energy (eV)
(k-path A: 0.00000000, L: 0.13751346)

fig2c_LH.dat: Data for the L-H path in Fig.2(c)
column 1: k-path, column 2: energy (eV)
(k-path L: 0.00000000, H: 0.07939343)

fig2c_HA.dat: Data for the H-A path in Fig.2(c)
column 1: k-path, column 2: energy (eV)
(k-path H: 0.00000000, A: 0.15878687)
