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Abstract
In the polymeric title complex, {[Mn(C8H4O4)(C7H6N2)(H2O)2]·2H2O}n, the MnII cation is coordinated by two benzenedicarboxylate anions, one benzimidazole ligand and two water molecules in a distorted MnNO5 octahedral geometry. In the crystal, each benzenedicarboxylate anion bridges adjacent MnII cations through the terminal carboxylate groups, forming a polymeric complex chain along the a axis. One Mn—Ocarboxylate bond is much longer than the others. In the crystal, π–π stacking is observed between nearly parallel [dihedral angle = 4.32 (6)°] benzimidazole aromatic ring systems of adjacent molecules, the centroid–centroid distance between the imidazole and benzene rings being 3.5421 (11) Å. Extensive intermolecular O—H⋯O and N—H⋯O hydrogen bonding is present in the crystal structure. The two lattice water molecules are located on twofold rotation axes.
Highlights
In the polymeric title complex, {[Mn(C8H4O4)(C7H6N2)(H2O)2]2H2O}n, the MnII cation is coordinated by two benzenedicarboxylate anions, one benzimidazole ligand and two water molecules in a distorted MnNO5 octahedral geometry
The two lattice water molecules are located on twofold rotation axes
Symmetry codes: (iii) −x+1, −y+1, −z+1; (iv) −x+3/2, −y+3/2, z+1/2; (v) −x+1, y, −z+3/2; (vi) −x+3/2, −y+3/2, z−1/2; (vii) −x+1, y, −z+1/2
Summary
R factor = 0.032; wR factor = 0.091; data-to-parameter ratio = 17.1. In the polymeric title complex, {[Mn(C8H4O4)(C7H6N2)(H2O)2]2H2O}n, the MnII cation is coordinated by two benzenedicarboxylate anions, one benzimidazole ligand and two water molecules in a distorted MnNO5 octahedral geometry. Each benzenedicarboxylate anion bridges adjacent MnII cations through the terminal carboxylate groups, forming a polymeric complex chain along the a axis. One Mn—Ocarboxylate bond is much longer than the others. In the crystal, – stacking is observed between nearly parallel [dihedral angle = 4.32 (6) ] benzimidazole aromatic ring systems of adjacent molecules, the centroid–centroid distance between the imidazole and benzene rings being. H O hydrogen bonding is present in the crystal structure. The two lattice water molecules are located on twofold rotation axes
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