Optical absorption and photoacoustic spectroscopy data of (CH3C(NH2)2)3[Sb2X9] (X = Cl/Br/I)

The deposited files contain data sets used in the manuscript entitled: Ferroelectricity, Piezoelectricity, and Unprecedented Starry Ferroelastic Patterns in Organic–Inorganic (CH3C(NH2)2)3[Sb2X9] (X = Cl/Br/I) Hybrids, A. Krupińska, B. Burzyńska, V. Kinzhybalo, B. Dziuk, P. Szklarz, D. Kajewski, J. K. Zaręba, A. Drwęcka, S. J. Zelewski, P. Durlak, P. Zielinski, P. Sobieszczyk, R. Jakubas, A. Piecha-Bisiorek, Inorganic Chemistry 64, 19, 9639–9651 (2025); doi: https://doi.org/10.1021/acs.inorgchem.5c00667File 1 (Fig_6_data.txt) presents photoacoustic absorption spectra obtained for (CH3C(NH2)2)3[Sb2I9] (AIA), (CH3C(NH2)2)3[Sb2Br9] (ABA), and (CH3C(NH2)2)3[Sb2Cl9] (ACA) (columns 2-4) as a function of photon energy (column 1), along with the calculated Tauc plots, being a recalculation of the raw photoacoustic results presented (columns 5-7), shown in Figure 6 of the manuscript.File 2 (Fig_S14_data.txt) presents optical transmission spectra obtained for (CH3C(NH2)2)3[Sb2I9] (AIA), (CH3C(NH2)2)3[Sb2Br9] (ABA), and (CH3C(NH2)2)3[Sb2Cl9] (ACA) (columns 3-5) with a reference spectrum (column 2), along with elucidated optical absorbance spectra (columns 6-8), as a function of the photon energy (column 1), shown in Figure S14 of the manuscript (electronic supplementary information).