The cyclic voltammetry of fac-Re(bpy)(CO)&I (bpy = 2,2'-bipyridine) and of the intermediate complexes formed by bulk electrolysis in MeCN solution in the presence and absence of C 0 2 has been interpreted in terms of two different electrocatalytic pathways for the reduction of C 0 2 to CO, one involving an initial one-electron reduction and the other an initial two-electron reduction.

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Die Pentachalkogenide (I) reagieren mit den Acetylenen (II) zu den Alkendichalkogenid‐Verbindungen (III).

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Science Foundation (CHE-8002685) for providing funds to purchase the FTMS. We thank . B. Wise for constructing a 5.2-cm cubic trapped ion cell.Synthesis and Structures of (/-PrC5H4)2V2S4 and (C5H5)2V2S2(S2C2(CF3)2): The Influence of x-Bonding on the Geometry of the µ-82 Ligand