Crystal data for anhydrous theophylline

Crystal data for anhydrous theophylline
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无水茶碱的晶体数据

DOI:
10.1107/s0021889881009783
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发表时间:
1981
影响因子:
6.1
通讯作者:
G. Bhattacharyya
G. Bhattacharyya
中科院分区:
材料科学3区
文献类型:
--
作者:
A. A. Naqvi;G. Bhattacharyya

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报告了无水茶碱(1,3-二甲基黄嘌呤)C7H8N4O2 的粉末数据。它是斜方晶系,Pna21,a = 24.628 (4),b = 3.833 (2),c = 8.501 (5) A; U=802.49 A3; Z = 4; Dm = 1.478,Dc = 1.489 Mg m−3。
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) A; U = 802.49 A3; Z = 4; Dm = 1.478, Dc = 1.489 Mg m−3.