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. 2024 Mar 28;9(Pt 3):x240269.
doi: 10.1107/S2414314624002694. eCollection 2024 Mar.

Bis[2,6-bis-(1 H-benzimidazol-2-yl)pyridine]ruthenium(II) bis(hexa-fluorido-phosphate) diethyl ether tris-olvate

Layla M Althubyani  1 , Brian J MacLean  1 , Katherine N Robertson  2 , Manuel A S Aquino  1
Affiliations

Bis[2,6-bis-(1 H-benzimidazol-2-yl)pyridine]ruthenium(II) bis(hexa-fluorido-phosphate) diethyl ether tris-olvate

Layla M Althubyani et al. IUCrdata. .

Abstract

The title compound, [Ru(C19H13N5)2](PF6)2·3C4H10O, was obtained from the reaction of Ru(bimpy)Cl3 [bimpy is 2,6-bis-(1H-benzimidazol-2-yl)pyridine] and bimpy in refluxing ethanol followed by recrystallization from diethyl ether/aceto-nitrile. At 125 K the complex has ortho-rhom-bic (Pca21) symmetry. It is remarkable that the structure is almost centrosymmetric. However, refinement in space group Pbcn leads to disorder and definitely worse results. It is of inter-est with respect to potential catalytic reduction of CO2. The structure displays N-H⋯O, N-H⋯F hydrogen bonding and significant π-π stacking and C-H⋯π stacking inter-actions.

Keywords: Bimpy ligand; crystal structure; ruthenium(II) complex.

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Figures

Figure 1
Figure 1
The structures of the molecular entities of the title compound with displacement ellipsoids at the 50% probability level.
Figure 2
Figure 2
Packing diagram viewed along [100] showing both the C—H⋯π and π–π inter­actions (dashed lines).
See this image and copyright information in PMC

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