Synthesis, crystal structures and supramolecular architectures of square pyramidal Cu(II) complexes containing aromatic chelating N,N’-donor ligands

Table 3 Comparison of coordination modes of various carboxylates and some structural parameters around the copper(II) ion

Complex		Coordination mode of	Coordination mode of the anion	τ value	Deviation of Cu atom above the plane (Å)	Axial bond length (Å)
1		5-TPC	Monodentate	0.0380	0.150	2.317
2		5-TPC	Monodentate	0.0630	0.153	2.243
3		5-TPC	Monodentate	0.0015	0.121	2.401
4	Cu1	5-TPC	Monodentate	0.0421	0.227	2.166
4	Cu2	5-TPC	Monodentate	0.1196	0.252	2.182
5		H₂PO₄	Bidentate Bridging	0.0488	0.134	2.200
5		H₂PO₄	Monodentate	0.0488	0.134	2.200

ISSN: 2661-801X