A perdeuterated cryoprotectant for neutron studies and a demonstration of its use for neutron powder diffraction on L-(--)-ephedrine hemihydrate

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The use of perdeuteropolyethylpropylene (d-PEP) as a cryoprotectant for neutron studies of molecular organic solids is demonstrated by the solution of the structure of L-(--)-ephedrine hemihydrate from neutron powder diffraction data on a sample containing 20 wt% d-PEP. It is demonstrated that no contribution from d-PEP to the scattering is observed. Neutron diffraction studies of solvent-containing molecular crystals that require a perdeuterated cryoprotectant oil are thus possible.

Original languageEnglish
JournalJournal of Applied Crystallography
Issue number2
Pages (from-to)203-207
Number of pages5
Publication statusPublished - 2001

ID: 382746969