Hydrothermal synthesis and crystal structure of poly[bis- (μ3-3,4-diaminobenzoato) manganese], a layered coordination polymer

Muhammad Kaleem Khosa, Paul T. Wood, Simon M. Humphrey, William T. A. Harrison* (Corresponding Author)

*Corresponding author for this work

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The hydrothermal synthesis and crystal structure of the title two-dimensional
coordination polymer, poly[bis(3-3,4-diaminobenzoato-3 N3,O,O0 )manganese(II)], [Mn(C7H7N2O2)2]n, are described. The Mn2+ cation (site symmetry 1) adopts a tetragonally elongated trans-MnN2O4 octahedral coordination geometry and the 3-N,O,O0 ligand (bonding from both carboxylate O atoms and the meta-N atom) links the metal ions into infinite (101) layers. The packing is consolidated by intra-layer N—HO and inter-layer N—HN hydrogen bonds. The structure of the title compound is compared with other complexes containing the C7H7N2O2 anion and those of the related M(C8H8NO2)2 (M = Mn, Co, Ni, Zn) family, where C8H8NO2 is the 3-amino-4-methylbenzoate anion.
Original languageEnglish
Pages (from-to)909-913
Number of pages5
JournalActa Crystallographica Section E: Crystallographic Communications
Issue number6
Early online date22 May 2020
Publication statusPublished - Jun 2020

Bibliographical note

The EPSRC National Crystallography Service (University of Southampton) is thanked for the intensity data collection.

Funding information
We thank the Higher Education Commission of Pakistan (grant No. 1–3/PM-PDFP-II/2006/22) for financial support


  • manganese
  • ligand
  • layered structure
  • coordination polymer
  • crystal structure
  • Coordination polymer
  • Ligand
  • Layered structure
  • Crystal structure
  • Manganese


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