catena-Poly[[[triaquacobalt(II)]-mu-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylato(2-)] 1.72-hydrate]
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Updated: Jul 19, 2026

Synthesis of Triazole and Tetrazole-Functionalized Zr-Based Metal-Organic Frameworks Through Post-Synthetic Ligand Exchange
Published on: June 23, 2023
Onur Sahin1, Orhan Büyükgüngör, Dursun Ali Köse
1Department of Physics, Ondokuz Mayis University, TR-55139 Samsun, Turkey. onurs@omu.edu.tr
Abstract:
The Co(II) ion in the title complex {[Co(C5H2N2O4)(H2O)3].1.72H2O}n, has a distorted octahedral coordination geometry comprised of three water ligands, one deprotonated pyrimidine N atom and an adjacent carboxylate O atom of one orotate ligand. The sixth coordination site is occupied by an exocyclic O atom from a neighbouring orotate moiety, and through this interaction a helicoidal chain is formed. The molecules are linked by intramolecular Owater-H...O and intermolecular N-H...O and Owater-H...O hydrogen bonds, forming a three-dimensional network.
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