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Crystal Structure of [Zn(2-Bromobenzoato)2] n and [Zn(2-Bromobenzoato)2(N-Methylnicotinamide)]2

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Abstract

The syntheses and structural characterizations of two novel 2-bromobenzoatozinc(II) complexes—[Zn(2-BrC6H4COO)2] n (I) and [Zn(2-BrC6H4COO)2(mnad)]2 (II), where mnad is N-methylnicotinamide are reported. Compound (I) crystallized with a monoclinic lattice (space group P21/c) and is polymeric in solid state. Its cell parameters are: a = 7.37220(10) Å, b = 19.9639(3) Å, c = 30.2756(5) Å, β = 94.7510(7)°, V = 4440.59(12) Å3, Z = 4. The coordination environments of all zinc atoms are distorted tetrahedra built from four carboxylate oxygen atoms coming from four 2-bromobenzoato ligands. Compound (II) crystallized with a monoclinic lattice (space group P21/c) with a = 11.7488(2) Å, b = 20.3683(3) Å, c = 9.30130(10) Å, β = 100.3941(11)°, V = 2189.30(5) Å3, Z = 2. This dimeric molecule features a paddle-wheel [Zn2O8] cage in solid state; the coordination environment of the central atom is square pyramidal consisting of four carboxylate oxygen atoms and the pyridine N atom of the mnad ligand.

Graphical Abstract

Two new compounds [Zn(2-bromobenzoato)2] n and [Zn(2-bromobenzoato)2(N-methylnicotinamide)]2 have been prepared and structurally characterized by X-ray single crystal diffraction.

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Acknowledgments

This work was supported by the Slovak Ministry of Education (VEGA project 1/0122/08). R. Gy. is also grateful to the Ministry of Education of the Czech Republic (Long term research plan MSM0021620857) and the Academy of Sciences of the Czech Republic (Grant No. KAN100400701).

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Authors and Affiliations

  1. Institute of Chemistry, P. J. Šafárik University, Moyzesova 11, 041 54, Košice, Slovak Republic

    Annamária Krajníková & Katarína Győryová

  2. Department of Inorganic Chemistry, Faculty of Science, Charles University, Albertov 8, 128 43, Praha 2, Czech Republic

    Róbert Gyepes

  3. J. Heyrovský Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, v.v.i., Dolejškova 3, 182 23, Praha 8, Czech Republic

    Róbert Gyepes

Authors
  1. Annamária Krajníková
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  2. Róbert Gyepes
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  3. Katarína Győryová
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Correspondence to Annamária Krajníková.

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Krajníková, A., Gyepes, R. & Győryová, K. Crystal Structure of [Zn(2-Bromobenzoato)2] n and [Zn(2-Bromobenzoato)2(N-Methylnicotinamide)]2 . J Chem Crystallogr 40, 650–655 (2010). https://doi.org/10.1007/s10870-010-9712-z

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