Figure captions:
Fig. 1 Synthesis route of DAT2 using Knogvel condensation method.
Fig. 2(a) Image of as grown single crystal of DAT2 from solvent
evaporation
Fig. 2 (b) Powder X-ray diffraction forpattern for DAT2
Fig 3(a) Optical absorbance spectrum of DAT2
3(b) Kulbeka-Munk plot for estimation of optical bandgap (Eg)
Fig. 4 Calculated electronic band structure of DAT2
Fig. 5 Calculated total density of states of DAT2
Fig. 6 Kramer Kroning relation for DAT2
Fig. 7 Calculated (a) reflectivity, R(ω) (b) optical conductivity, σ(ω)
Fig. 8 (a) refractive index, n(ω) (b) energy loss, L(ω) of DAT2