Crystal data for anhydrous theophylline
- 1 December 1981
- journal article
- crystal data
- Published by International Union of Crystallography (IUCr) in Journal of Applied Crystallography
- Vol. 14 (6) , 464
- https://doi.org/10.1107/s0021889881009783
Abstract
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.Keywords
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