Related Experiment Video
Updated: Feb 28, 2026

Author Spotlight: Functionalizing Metal-Organic Frameworks: Advancements, Challenges, and the Power of Post-Synthetic Ligand Exchange
Published on: June 23, 2023
Bis(4-amino-benzoato)-κO,O';κO-(2,2'-bipyridine-κN,N')zinc
Miao-Ling Huang1, Ling-Ling Wang
1Department of Chemistry and Science of Life, Quanzhou Normal University, Fujian 362000, People's Republic of China.
Abstract:
In the title complex, [Zn(C(7)H(6)NO(2))(2)(C(10)H(8)N(2))], the Zn(II) cation is coordinated by two amino-benzoate anions and one 2,2'-bipyridine ligand in a distorted trigonal-bipyramidal geometry. The carboxyl-ate group of one aminobenzoate anion coordinates to the Zn(II) cation in a monodentate manner, whereas the carboxyl-ate group of the other amino-benzoate anion chelates the Zn cation with different Zn-O bond lengths. Inter-molecular N-H⋯N and N-H⋯O hydrogen bonding is present in the crystal structure.
Related Concept Videos
Coordination Number and Geometry
EDTA: Auxiliary Complexing Reagents
Ladder Diagrams: Complexation Equilibria
The formation constant, K1, for the formation of Cd(NH3)2+ complex from cadmium and ammonia is 3.55 × 102. Log K1 (i.e. pNH3) is 2.55, and...
Valence Bond Theory
Formation of Complex Ions
Metal-Ligand Bonds
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...

