Guest Tunable Structure and Spin Crossover Properties in a Nanoporous Coordination Framework Material
Journal of the American Chemical Society2009Vol. 131(34), pp. 12106–12108
Citations Over TimeTop 10% of 2009 papers
Suzanne M. Neville, G.J. Halder, Karena W. Chapman, M.B. Duriska, Boujemaa Moubaraki, Keith S. Murray, Cameron J. Kepert
Abstract
The electronic switching properties of the nanoporous spin crossover framework [Fe(NCS)(2)(bpbd)(2)] x x(guest), SCOF-2, can be rationally manipulated via sorption of a range of molecular guests (acetone, ethanol, methanol, propanol, 1-acetonitrile) into the 1-D channels of this material. Pronounced changes to the spin crossover properties are related directly to the steric and electronic influence of the individual guests: the degree of lattice cooperativity, as reflected in the abruptness of the transition and presence of hysteresis, is strongly influenced by the presence of cooperative host-guest interactions, and the temperature of the transition varies with guest polarity through a proposed electrostatic interaction.
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