Identification of bridged CO2 binding in a Prussian blue analogue using neutron powder diffraction

Stephen H Ogilvie; Samuel G Duyker; Peter D Southon; Vanessa K Peterson; Cameron J Kepert

doi:10.1039/c3cc46019c

Identification of bridged CO2 binding in a Prussian blue analogue using neutron powder diffraction

Chem Commun (Camb). 2013 Oct 21;49(82):9404-6. doi: 10.1039/c3cc46019c.

Authors

Stephen H Ogilvie¹, Samuel G Duyker, Peter D Southon, Vanessa K Peterson, Cameron J Kepert

Affiliation

¹ School of Chemistry, The University of Sydney, NSW 2006, Australia. cameron.kepert@sydney.edu.au.

PMID: 24013311
DOI: 10.1039/c3cc46019c

Abstract

Neutron powder diffraction measurements were carried out on the evacuated and CO2-loaded Prussian blue analogue, Fe3[Co(CN)6]2, identifying two distinct CO2 adsorption sites: site A, in which CO2 uniquely bridges between two bare-metal sites, and site B, in which it interacts in a face capping motif. The saturation of site A at low loadings of CO2 demonstrates the favourable nature of the interaction of CO2 with bare-metal sites within the material.