Performance of Density Functional Theory and Relativistic Effective Core Potential for Ru-Based Organometallic Complexes

作者：Paranthaman Selvarengan; Moon Jiwon; Kim Joonghan^*; Kim Dong Eon; Kim Tae Kyu^*

来源：Journal of Physical Chemistry A, 2016, 120(13): 2128-2134.

DOI：10.1021/acs.jpca.6b00654

Herein a performance assessment of density functionals used for calculating the structural and energetic parameters of bi-and trimetallic Ru-containing organometallic complexes has been performed. The performance of four popular relativistic effective core potentials (RECPs) has also been assessed. On the basis of the calculated results, the MN12-SX (range-separated hybrid functional) demonstrates good performance for calculating the molecular structures, while MN12-L (local functional) performs well for calculating the energetics, including that of the Ru-Ru bond breaking process. The choice of appropriate density functional is a crucial factor for calculating the energetics. The LANLO8 demonstrates the lowest performance of the RECPs for calculating the molecular structures, especially the Ru-Ru bond length.

• 出版日期2016-4-7