Crystal structures of a manganese(I) and a rhenium(I) complex of a bi-pyridine ligand with a non-coordinating benzoic acid moiety

Acta Crystallographica. Section E, Crystallographic Communications
Sheri LenseKong Choua Thao

Abstract

The structures of two facially coordinated Group VII metal complexes are reported, namely: fac-bromido-[2-(2,2'-bipyridin-6-yl)benzoic acid-κ2N,N']tricarbonyl-manganese(I) tetra-hydro-furan monosolvate, [MnBr(C17H12N2O2)(CO)3]·C4H8O, I, and fac-[2-(2,2'-bipyridin-6-yl)benzoic acid-κ2N,N']tricarbonyl-chlorido-rhenium(I) tetra-hydro-furan monosolvate, [ReCl(C17H12N2O2)(CO)3]·C4H8O, II. In both complexes, the metal ion is coordinated by three carbonyl ligands, a halide ion, and a 2-(2,2'-bipyridin-6-yl)benzoic acid ligand, in a distorted octa-hedral geometry. In manganese complex I, the tetra-hydro-furan (THF) solvent mol-ecule could not be refined due to disorder. The benzoic acid fragment is also disordered over two positions, such that the carb-oxy-lic acid group is either positioned near to the bromide ligand or to the axial carbonyl ligand. In the crystal of I, the complex mol-ecules are linked by a pair of C-H⋯Br hydrogen bonds, forming inversion dimers that stack up the a-axis direction. In the rhenium complex II, there is hydrogen bonding between the benzoic acid moiety and a disordered co-crystallized THF mol-ecule. In the crystal, the mol-ecules are linked by C-H⋯Cl hydrogen bonds, forming layers parallel to (100) separa...Continue Reading

References

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Citations

Sep 18, 2020·Acta Crystallographica. Section E, Crystallographic Communications·Takatoshi KannoDai Oyama
Dec 18, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Takatoshi KannoDai Oyama

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Methods Mentioned

BETA
column chromatography
X-ray

Software Mentioned

PLATON
MEWBAT

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