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Structures of substituted pyridine N-oxide with manganese(II) acetate.

ABSTRACT: Manganese(II) acetate coordination polymers have been prepared with three derivatives of pyridine N-oxide. The compounds are catena-poly[manganese(II)-?₃-acetato-di-?₂-acetato-[aqua-manganese(II)]-?₂-acetato-?-(pyridine N-oxide)-manganese(II)-?₃-acetato-?₂-acetato-?-(pyridine N-oxide)-[aqua-manganese(II)]-di-?₂-acetato], [Mn₄(CH₃COO)₈(C₅H₅NO)₂(H₂O)₂] _n , (I), catena-poly[[manganese(II)]-?₃-acetato-?₂-acetato-?-(2-methyl-pyridine N-oxide)-[aqua-manganese(II)]-di-?₂-acetato-manganese(II)-di-?₂-acetato-?₃-acetato-[aqua-manganese(II)]-?₂-acetato-?-(2-methyl-pyridine N-oxide)], [Mn₄(CH₃COO)₈(C₆H₇NO)₂(H₂O)₂] _n , (II), and catena-poly[[manganese(II)-di-?₂-acetato-?-(4-methyl-pyridine N-oxide)] monohydrate], {[Mn(CH₃COO)₂(C₆H₇NO)]·H₂O} _n , (III). Compounds (I) and (II) both have three unique Mn atoms; in both compounds two of them sit on a crystallographic inversion center while the third is on a general position. In compound (III), the single unique Mn atom sits on a general position. Pseudo-octa-hedral six-coordinate mangan-ese(II) centers are found in all compounds. All of the compounds form chains of Mn atoms bridged by acetate ions and the oxygen atom of the N-oxide in pyridine N-oxide (PNO), 2-methyl-pyridine N-oxide (2MePNO), or 4-methyl-pyridine N-oxide (4MePNO). Compound (I) and (II) both exhibit a bound water of solvation. In (I), the water hydrogen bonds to a nearby acetate whereas in (II) the water mol-ecule forms bridging hydrogen bonds between two neighboring acetates. In compound (III) a water mol-ecule of solvation is found in the lattice, not bound to the metal ion but hydrogen bonding to a bridging acetate.

SUBMITTER: Lynch W

PROVIDER: S-EPMC6176453 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature

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Structures of substituted pyridine N-oxide with manganese(II) acetate.

Lynch Will W Lynch Genevieve G Sheriff Kirk K Padgett Clifford C

Acta crystallographica. Section E, Crystallographic communications 20180911 Pt 10

Manganese(II) acetate coordination polymers have been prepared with three derivatives of pyridine N-oxide. The compounds are catena-poly[manganese(II)-μ3-acetato-di-μ2-acetato-[aqua-manganese(II)]-μ2-acetato-μ-(pyridine N-oxide)-manganese(II)-μ3-acetato-μ2-acetato-μ-(pyridine N-oxide)-[aqua-manganese(II)]-di-μ2-acetato], [Mn4(CH3COO)8(C5H5NO)2< ...[more]

PMID: 30319789

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Structures of substituted pyridine N-oxide with manganese(II) acetate.

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Structures of substituted pyridine <i>N</i>-oxide with manganese(II) acetate.

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