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Published online by Cambridge University Press: 03 July 2013
Using first-principles density functional theory, we investigated the chemical bonding and electronic structure of the metal-organic-framework with individual structural element OFe4(CO2Ph)6. The calculations showed that there is no obvious structural difference between OFe4(CO2Ph)6 and OZn4(CO2Ph)6. The analysis of electronic structure and chemical bonding reveals that the Fe-O has mainly ionic interaction and partial covalent interaction while O-C, H-C and C-C exhibit mainly covalent interactions. The finding in this paper may shed light on the synthesis of MOF-5 materials with other metal centers.