Features of Cl K -edge XANES Spectra of Transition Metal Complexes {MCl 6 } n − (M = Rh, Pd, Re, Os, Ir, Pt)

Cl K -edges of a wide range of chlorides of 4 d and 5 d transition metals {MCl 6 } n − (M = Rh, Pd, Re, Os, Ir, Pt) are obtained using the Kosmos station of the VEPP-4 synchrotron. The combined use of experimental X-ray and theoretical means allows determination of the magnitude of spin–orbit coupling (SOC), depending on the transition metal. The features of the Cl K -edge are analyzed with and without SOC, and upon stretching and compression of the complexes.