期刊
CRYSTENGCOMM
卷 23, 期 7, 页码 1578-1587出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ce01534b
关键词
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资金
- CSIR, India [09/096(0861)/2016-EMR-I]
- UGC-CAS II program, Department of Chemistry, Jadavpur University
- MICIU/AEI from Spain [CTQ2017-85821-R]
The hydrogen bonding interactions and halogen bonding interactions in two mononuclear iron(III) complexes have been studied and analyzed using DFT and QTAIM calculations.
Two mononuclear iron(III) complexes, [(FeLCl)-Cl-1]center dot CH3CN (1) and (FeL2(N-3)] (2) {H2L1 = N,N'-bis(5-chlorosalicylidene)diethylenetriamine and H2L2 = N,N'-bis(5-bromosalicylidene)diethylenetriamine), have been synthesized and characterized by X-ray crystallographic studies. In the solid state, there are strong hydrogen bonding interactions in both complexes due to the presence of the Fe(III)-coordinated amino group and anionic ligands, which are strong hydrogen bond donors and acceptors, respectively. These interactions have been studied by means of DFT and QTAIM calculations. Moreover, in the complex 2, the formation of halogen bonding interactions (Br center dot center dot center dot pi) has been analyzed. The MEP analysis evidences the existence of a sigma-hole at the bromine atom, and the concomitant Br center dot center dot center dot pi interaction has been confirmed by QTAIM analysis.
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