ISSN:
1600-5767
Source:
Crystallography Journals Online : IUCR Backfile Archive 1948-2001
Topics:
Geosciences
,
Physics
Notes:
The powder data for anhydrous theophylline (1,3-dimethylxanthine), C7H8N4O2, are reported. It is orthorhombic, Pna21, with a = 24.628 (4), b = 3.833 (2), c = 8.501 (5) Å; U = 802.49 Å3; Z = 4; Dm = 1.478, Dc = 1.489 Mg m−3.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1107/S0021889881009783