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J Am Chem Soc. 2011 Feb 09;133(5):1266-9. doi: 10.1021/ja1097995. Epub 2011 Jan 07.

Extending the pore size of crystalline metal phosphonates toward the mesoporous regime by isoreticular synthesis.

Journal of the American Chemical Society

Michael T Wharmby, John P S Mowat, Stephen P Thompson, Paul A Wright

Affiliations

  1. School of Chemistry, University of St Andrews, Purdie Building, North Haugh, St Andrews, Fife KY16 9ST, United Kingdom.

PMID: 21214241 DOI: 10.1021/ja1097995

Abstract

Crystalline microporous cobalt and nickel bisphosphonates with a hexagonal array of one-dimensional channels 1.8 nm in diameter have been prepared hydrothermally and provide the first example of the use of isoreticular chemistry in the synthesis of phosphonate metal-organic frameworks. The materials contain both physisorbed and coordinating water molecules in the as-prepared form, but these can be removed to give permanent extra-large microporosity, with pore volumes of up to 0.68 cm(3) g(-1), and coordinatively unsaturated sites, with concentrations up to 4.25 mmol g(-1).

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