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research article
The low-temperature structure of nopinone
6,6-dimethylbicyclo[3.1.1]heptan-2-one, (1R)-(+)-nopinone, is a liquid at room temperature. It solidifies below 260 K to form an orientationally disordered body-centred cubic phase (a = 7.644 Ã… at 255 K), which transforms to an ordered structure below 240 K. The low-temperature structure has been solved from powder X-ray diffraction data, and is orthorhombic, space group P212121, Z' = 1, Z = 4, with a = 17.6441(8) Ã…, b = 6.9682(3) Ã…, c = 6.5272(3) Ã… at 120 K.
Type
research article
Web of Science ID
WOS:000262663700009
Authors
Publication date
2008
Published in
Volume
223
Issue
9
Start page
602
End page
604
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
January 11, 2010
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