Table 5 Calculated effect of varying the dielectric constant on the lowest optical transition energies (in eV) for H₂S, SH^-, S₄^2-···4H₂O and SbS₃^3-···4H₂O, using the CIS and CIS COSMO methods and the 6-311 + G(2d,p) basis unless otherwise noted (D = dielectric constant)

From: Calculation of the visible-UV absorption spectra of hydrogen sulfide, bisulfide, polysulfides, and As and Sb sulfides, in aqueous solution