Crystal structure of (2,2'-bi-pyridine-κ2N, N')- trans-bis-(tert-butyl-dimethyl-sil-yloxy)- cis-dioxidomolybdenum(VI)

Mikhail E Minyaev; Alexander A Vinogradov; Ilya E Nifant'ev; Andrei V Churakov

doi:10.1107/S2056989018008472

Crystal structure of (2,2'-bi-pyridine-κ²N, N')- trans-bis-(tert-butyl-dimethyl-sil-yloxy)- cis-dioxidomolybdenum(VI)

Acta Crystallogr E Crystallogr Commun. 2018 Jun 15;74(Pt 7):970-972. doi: 10.1107/S2056989018008472. eCollection 2018 Jul 1.

Authors

Mikhail E Minyaev¹, Alexander A Vinogradov¹, Ilya E Nifant'ev^{1

2}, Andrei V Churakov³

Affiliations

¹ A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 29 Leninsky Prospect, 119991, Moscow, Russian Federation.
² Chemistry Department, M.V. Lomonosov Moscow State University, 1 Leninskie Gory Str., Building 3, Moscow 119991, Russian Federation.
³ N.S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 31 Leninsky Prospect, Moscow 119991, Russian Federation.

Abstract

In the title compound, [( ^t BuSiMe₂O)₂MoO₂(2,2'-bi-pyridine)] or [Mo(C₆H₁₅OSi)₂O₂(C₁₀H₈N₂)], the Mo^VI atom has a distorted octa-hedral environment with the sil-oxy substituents occupying the trans positions. The complex contains a rare (R₃SiO)₂MO₂ (M = Mo, W) structural motif and was formed in a reaction between sodium molybdate and tert-butyl-dimethyl-silyl chloride in the presence of 2,2-bi-pyridine. In the crystal, neighbouring mol-ecules are linked by C-H⋯O=Mo hydrogen bonds, forming chains propagating along the a-axis direction.

Keywords: NMR; coordination compounds; crystal structure; hydrogen bonding.; molybdenum(VI); rare structural motif.

Grants and funding

This work was funded by the TIPS RAS State Plan grant .