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This work aims to analyze the interaction between Hf and Si atoms using advanced theoretical methods to explore electronic states.

A Wave Function Theory and Density Functional Theory Investigation of Ground and Excited States of HfSi

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Randomized trial investigates electronic states of HfSi, suggesting significant spin-orbit effects in chemical bonding.

This work aims to analyze the interaction between Hf and Si atoms using advanced theoretical methods to explore electronic states.
Utilized high-level ab initio methods including MRCI and coupled-cluster techniques
Calculated potential energy curves, dipole moment curves, and chemical bonding patterns
Assessed 16 exchange–correlation functionals across density functional approximations
The dissociation energy of HfSi was determined to be 2.855 eV, aligning well with experimental data
Established a strong linear correlation between bond energy and ionicity among isovalent HfX series
Identified the 11Σ+ state as slightly more stable than the 13Π state, with significant contributions to the ground state character

Isuru R. Ariyarathna (2026) studied this question.

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