Isotropic and anisotropic binary collision-induced light scattering spectra of gaseous krypton obtained atroom temperature are analyzed in terms of different interatomic potentials, both reference and recent,and trace and anisotropy models of interaction-induced polarizability. The spectral intensities obtainednumerically at low frequencies are determined by bound and free transitions. At intermediate and highfrequencies, the spectra are sensitive to both the attractive part of the potential and to short-range valuesof the trace or anisotropy. An empirical interatomic potential for the krypton gas interaction is developedby simultaneously fitting the Barker et al. (BFW) and modified Tang-Toennies (MTT) potentials to ther-mophysical and transport properties over a wide temperature range. The quality of the present potentialswas checked by comparison between the calculated and experimental vibrational energy levels. The re-sults show that these are the most accurate potentials reported to date for this system, both for thereproduction of spectral line shapes and spectral moments.