Hydrogen Hydrogen bonds 6 Carboxamides 4 Copper 4 Copper (ii) 4 Crystallography, X-Ray 4 Ethers 4 Hydrogen Bonding 4 Hydrogen bondings 4 Ligands 4 Monodentates 4 Organometallic Compounds 4 Pyridine 4 X ray crystallography 4 article 4 chemical structure 4 chemistry 4 copper 4 hydrogen bond 4 organometallic compound 4 Apical positions 2 Aqua ligands 2 Atoms 2 Basal planes 2 Bi-layer 2 Chromophores 2 Complex molecules 2 Complexation 2 Copper complexes 2 Copper compounds 2