Synthesis, crystal structure and Hirshfeld surface analysis of aqua(3-methoxycinnamato-κO)bis(1,10-phenanthroline-κ2N,N')cobalt(II) nitrate

The title compound, [Co(C10H9O3)(C12H8N2)(2)(H2O)]NO3 (I), crystallizes in the triclinic space group P (1) over bar with a monomeric [Co(3-meo-cin)(phen)(2)(H2O)](+) cation and a nitrate anion (3-meo-cin = 3-methoxy cinnamic acid) in the asymmetric unit. The Co-II ion is coordinated by four N atoms from two 1,10-phenanthroline ligands and two O atoms, the first from a methoxy cinnamate ligand and the second from a coordinated water molecule, forming a distorted octahedral geometry. Discrete entities of the cation and nitrate anion are formed by water-nitrate O-H center dot center dot center dot O and phen-nitrate C-H center dot center dot center dot O hydrogen bonds. The components are further assembled into chains along the c-axis direction. Layers are than formed by slipped pi-pi stacking interactions parallel to the bc plane. The intermolecular interactions in the crystal structure were quantified and analysed using Hirshfeld surface analysis.