Analytical Methods in Molecular Structural Analysis and Exploration

Dear Colleagues,

The chemical bonds are theoretical concepts that introduced to help chemist for understanding the strong interaction between atoms. Although the concept is very basic in chemistry, but it is a non-measurable physical parameter, especially the idea of multiple bonding between two atoms is mainly justified by comparing the bond lengths, bond dissociation energy and vibrational frequencies (or force constants). It is write in the text book the maximum bond order between two main group atoms is three, however a recent publication claimed the quadruple bond in C₂ has aroused some debates. Besides, the maximum bond order between two transition metal atoms (Cr₂, Mo₂, W₂) is known to be six based on theoretical analyses.  The possible of quadruple bond between heavy metal atom and main group atom continuously disclosed (RhB, CUO). Therefore, analytical methods in understanding the nature of the chemical bonding could be essentially aid in molecular structural analysis and exploration.

Prof. Dr. Hongtao Liu
Guest Editor

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• chemical bond
• multiple bonding
• molecular structure
• theoretical calculation
• spectroscopy
• dissociation energy
• transition metal
• clusters