Structure, electrochemistry, spectroscopy, and magnetic resonance, including high-field EPR, of (μ-abpy)Re(CO)3X2o/·-, where abpy = 2,2'-azobispyridine and X = F, Cl, Br, I. Journal of Organometallic Chemistry, (694)7-8:1122--1133, 2009. [PUMA: complex;rhenium rhenium voltammetry complex;cyclic crystal complex;magnetic complex halo carbonyl spectra azobispyridine structure property complex;EPR prepn]