A THEORETICAL-STUDY OF THE ELECTRIC-DIPOLE MOMENT FUNCTION OF SIO

A globally accurate electric dipole moment function (EDMF) is computed for the SiO molecule using large one-particle basis sets and an exten sive treatment of electron correlation. A small translation of the EDM F brings the computed dipole moments for v=0-3 into good agreement wit h the highly accurate experimental values. The Einstein coefficients f or the 1-0 fundamental and especially the 2-0 overtone band are signif icantly larger than the currently accepted values. Implications for as tronomical measurements are discussed.