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Figure 2
Structural and bonding features of the Re6-cluster compounds. (a) Octahedral Re6-cluster surrounded by eight inner and six outer ligands. The coordination polyhedron around an individual Re atom is marked in grey. (b) Validity of the conservation principle for the Re atoms in the Re6-cluster complexes. The numbers in the vertical scale correspond to the respective compounds in Table S2 in the supporting information, while the abscissa values correspond to the BO sum for the various compounds.

IUCrJ
Volume 5| Part 5| September 2018| Pages 542-547
ISSN: 2052-2525
https://doi.org/10.1107/S2052252518008254