Carbon dioxide as a solubility "switch" for the reversible dissolution of highly fluorinated complexes and reagents in organic solvents: application to crystallization

Philip G Jessop; Marilyn M Olmstead; Christopher D Ablan; Megan Grabenauer; Daniel Sheppard; Charles A Eckert; Charles L Liotta

doi:10.1021/ic020057h

Carbon dioxide as a solubility "switch" for the reversible dissolution of highly fluorinated complexes and reagents in organic solvents: application to crystallization

Inorg Chem. 2002 Jul 1;41(13):3463-8. doi: 10.1021/ic020057h.

Authors

Philip G Jessop¹, Marilyn M Olmstead, Christopher D Ablan, Megan Grabenauer, Daniel Sheppard, Charles A Eckert, Charles L Liotta

Affiliation

¹ Department of Chemistry, University of California, Davis, California 95616-5295, USA. jessop@chem.ucdavis.edu

PMID: 12079465
DOI: 10.1021/ic020057h

Abstract

Highly fluorinated organic or organometallic solid compounds can be made to dissolve in liquid hydrocarbons by the application of 20-70 bar of CO(2) gas. Subsequently releasing the gas causes the compounds to precipitate or crystallize, giving quantitative recovery of the solid. The resulting crystals can be of sufficient quality for single-crystal X-ray crystallography; the structures of Rh(2)(O(2)CCF(2)CF(2)CF(3))(4)(DMF)(2), Rh(2)(O(2)C(CF(2))(9)F)(4)(MeOH)(2), Cr(hfacac)(3), and P[C(6)H(3)(3,5-CF(3))(2)](3) have been determined from crystals grown in this manner.