The Metal-NO Interaction in the Redox Systems Cl5Os(NO)n-, n = 1-3, and cis-(bpy)2ClOs(NO)2+/+: Calculations, Structural, Electrochemical, and Spectroscopic Results. Inorganic Chemistry, (45)12:4602--4609, 2006. [PUMA: acetonitrile bond chloro complex crystal electrochem electroredn interaction iridium lengthening;metal nitrosyl osmium potential ruthenium salt solvate spectroscopy;osmate structure structure;redox tetraphenylphosphonium]