Abstract Inspired by the three principles of linear combination of atomic orbitals, starting from the essence of coordination bonds and combining with the relevant knowledge of valence bond theory, this paper explores the formation conditions of coordination bonds in simple terms, and proposes three principles of matching for the formation of coordination bonds: symmetry matching principle, energy matching principle and space matching principle. This “three principles of matching” reasonably explains why H+ and OH- can combine to form stable coordination bonds, while Na+ and OH- cannot form coordination bonds. This principle can be used to explore the problems related to the formation of coordination bonds in complexes, providing a theoretical model for students who need to learn textbook Chemistry(selective compulsory 2)in high school, helping students realize the activation of chemical knowledge, and further implementing the core quality of chemistry discipline of “evidence reasoning and model cognition”.
PENG Zhi-Yong, ZHONG De-Hong, HUANG Mei. Explore the Formation Conditions of Coordination Bonds[J]. Chinese Journal of Chemical Education, 2023, 44(21): 97-100.
