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Spin-crossover modification through selective CO2 sorption

DOI: 10.1021/ja407135k DOI Help

Authors: Eugenio Coronado (Universidad de Valencia, Spain) , Monica Gimenez-marques (Universidad de Valencia) , Guillermo Minguez Espallargas (Universidad de Valencia) , Fernando Rey (Instituto de Tecnología Química (UPV-CSIC), Universidad Politécnica de Valencia—Consejo Superior de Investigaciones Científicas) , Iñigo J. Vitorica-yrezabal (University of Sheffield)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Journal Of The American Chemical Society , VOL 135 (43)

State: Published (Approved)
Published: October 2013

Abstract: We present a spin-crossover FeII coordination polymer with no permanent channels that selectively sorbs CO2 over N2. The one-dimensional chains display internal voids of ca. 9 Å in diameter, each being capable to accept one molecule of CO2 at 1 bar and 273 K. X-ray diffraction provides direct structural evidence of the location of the gas molecules and reveals the formation of O=C=O(–)•••π interactions. This physisorption modifies the spin transition producing an increase in T1/2 of 9 K.

Subject Areas: Materials, Chemistry

Instruments: I11-High Resolution Powder Diffraction

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