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. 2023 Aug 1;8(Pt 8):x230657.
doi: 10.1107/S2414314623006570. eCollection 2023 Aug.

Tetra-μ3-selen-ido-1:2:3κ3Se;1:2:4κ3Se;1:3:4κ3Se;2:3:4κ3Se-tetrakis-[(η5-methyl-cyclo-penta-dien-yl)molybdenum(III)](6 Mo-Mo)

Akito Ouchi  1 , Tsugiko Takase  1 , Shinji Inomata  1
Affiliations

Tetra-μ3-selen-ido-1:2:3κ3Se;1:2:4κ3Se;1:3:4κ3Se;2:3:4κ3Se-tetrakis-[(η5-methyl-cyclo-penta-dien-yl)molybdenum(III)](6 Mo-Mo)

Akito Ouchi et al. IUCrdata. .

Abstract

The title cluster compound, [Mo4(η5-C5H4Me)4(μ3-Se)4], was synthesized from the reaction of [Mo(η5-C5H4Me)(CO)3]2 with grey selenium in refluxing xylene solution under a nitro-gen atmosphere. The complete cluster is generated by a crystallographic twofold axis and contains an Mo4Se4 cubane-like core surrounded by four η5-methylcyclo-pentadienyl ligands. In the core, the four molybdenum atoms are connected to each other to form a tetra-hedron, with a selenium atom capping each face. The Mo-Mo bond lengths vary from 2.9857 (5) to 3.0083 (3) Å and the Mo-Se separations range from 2.4633 (4) to 2.4693 (5) Å.

Keywords: crystal structure; molybdenum cluster; selenide ligand.

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Figures

Figure 1
Figure 1
A view of the mol­ecular structure of the title compound, with the asymmetric atoms labeled; unlabelled atoms are generated by the symmetry operation −x, y, formula image  − z. Hydrogen atoms are omitted for charity. Displacement ellipsoids are drawn at the 50% probability level.
See this image and copyright information in PMC

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