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Trans-Bis(methanol-κO)bis-(quinoline-2-carboxyl-ato-κN,O)manganese(II).


ABSTRACT: The title compound, [Mn(C(10)H(6)NO(2))(2)(CH(4)O)(2)], was obtained unintentionally as the product of an attempt to synthesize a polynuclear carboxyl-ate bridged manganese(III/IV) complex, using methanol to reduce the permanganate ion. The mol-ecule is centrosymmetric; the pairs of equivalent ligands coordinate trans to each other in a distorted octa-hedral geometry. Intra-molecular C-H⋯O bonds lying in the equatorial plane stabilize the mol-ecule. In the crystal, mol-ecules are linked by O-H⋯O and C-H⋯O hydrogen bonds, creating a three-dimensional supra-molecular structure. π-π and C-H⋯π inter-actions are also observed. The dihedral angle and centroid-to-centroid distance between the pyridine ring (A) and the benzene ring (B(i)) of a symmetrically related mol-ecule [symmetry code: (i) -1 - x, -y, -z] are 1.27 (11)° and 3.974 (2) Å, respectively. For the C-H⋯π inter-actions, the relevant distances and angles are: C⋯Cg[A(ii)] = 3.643 (2) Å, H⋯Cg[A(ii)] = 2.750 (2) Å and C-H⋯Cg[A(ii)] = 155 (1)° [symmetry code: (ii) x, -1 + y, z].

SUBMITTER: Dobrzynska D 

PROVIDER: S-EPMC2959585 | biostudies-literature | 2008 Oct

REPOSITORIES: biostudies-literature

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trans-Bis(methanol-κO)bis-(quinoline-2-carboxyl-ato-κN,O)manganese(II).

Dobrzyńska Danuta D   Jerzykiewicz Lucjan B LB  

Acta crystallographica. Section E, Structure reports online 20081011 Pt 11


The title compound, [Mn(C(10)H(6)NO(2))(2)(CH(4)O)(2)], was obtained unintentionally as the product of an attempt to synthesize a polynuclear carboxyl-ate bridged manganese(III/IV) complex, using methanol to reduce the permanganate ion. The mol-ecule is centrosymmetric; the pairs of equivalent ligands coordinate trans to each other in a distorted octa-hedral geometry. Intra-molecular C-H⋯O bonds lying in the equatorial plane stabilize the mol-ecule. In the crystal, mol-ecules are linked by O-H⋯O  ...[more]

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