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BaBiO3, has a distorted  perovskite structure, with a gap of the order of   0.7 eV band gap  (Sleight et. al (1975)) (1975)). Doping the material, for example with K  suppresses  the structural distortions and makes the material superconducting   superconducting reaching a maximum critical temperature of the order of  30 K (Cava et.al.  (1988))at the optimal doping. LDA fails to describe the insulating character of the parent compound. Conventional LDA estimates of the electron phonon coupling, within Migdal Eliasberg theory, predicted that the electron phonon coupling in the doped compound is of the order of XXX and therefore cannot account for its superconductivity. REFERENCE TO   SAVRASOV.