4 years ago

Inside Cover: Spin States of Homochiral and Heterochiral Isomers of [Fe(PyBox)2]2+ Derivatives (Chem. Eur. J. 38/2017)

Inside Cover: Spin States of Homochiral and Heterochiral Isomers of [Fe(PyBox)2]2+ Derivatives (Chem. Eur. J. 38/2017)
Simon A. Barrett, Rafal Kulmaczewski, Kay E. Burrows, Oscar Cespedes, Malcolm A. Halcrow, Sarah E. McGrath
The cover image compares the molecular spin states of two diastereomers of a spin-crossover iron(II) complex. Solution-phase magnetic measurements show the low-spin state of the heterochiral (meso) diastereomer is stabilized relative to its homochiral (rac) congener. This reflects a steric clash between phenyl substituents in the rac isomer, which occupies two diagonal quadrants in the molecule. The resultant twisting of the ligand conformation and metal-coordination sphere explains the observed reduction in the ligand field. More information can be found in the Full Paper by M. A. Halcrow et al. on page 9067.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/chem.201701746

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