ChemInform Abstract: X-Ray Crystal Structures of Two Isomers of the Hydrido-Carbonyl Anion (Re7(μ-H)C(CO)21)2-. The Problematic Existence of Triply Bridging Hydrides in Clusters Containing Interstitial Main-Group Elements
ChemInform Abstract
(different location of the hydride ligand in the isomers; (NEt4)2 salt of isomer a: space group P21/c, Z=4; (NEt4) (C7H7) salt of isomer b: P21, Z=2).