Alkali metal radical anion salts in which the cations are coordinated directly by the radical anions have been studied extensively in solution, but relatively little in the solid state. We have prepared and characterized two such salts from 2,3-bis(2-pyridyl)quinoxaline (dpq) and potassium metal at -60 degrees C and 10(-5) Torr. Crystals from THF show a zig-zag contact ion pair chain structure whereas a dimeric structure is obtained from methylamine. In both systems, the potassium ions occupy sites consisting of four quinoxaline nitrogens and solvent molecules. These salts have been further characterized by thin-film and solution optical spectroscopy, solution EPR and ENDOR spectroscopies, magnetic susceptibility, and cyclic voltammetry measurements.