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2-氨基-5-三氟甲基-1,3,4-噻二唑以及2-氨基-1,3,4-噻二唑在120K下的重新测定：由边缘稠合的R(2)(2)(8)和R(4)(4)(10)环构成的链，以及由R(2)(2)(8)和R(6)(6)(20)环构成的片层。

2-Amino-5-trifluoromethyl-1,3,4-thiadiazole and a redetermination of 2-amino-1,3,4-thiadiazole, both at 120 K: chains of edge-fused R(2)(2)(8) and R(4)(4)(10) rings, and sheets of R(2)(2)(8) and R(6)(6)(20) rings.

作者信息

Boechat Nubia, Ferreira Sabrina B, Glidewell Christopher, Low John N, Skakle Janet M S, Wardell Solange M S V

机构信息

Complexo Tecnológico de Medicamentos Farmanguinhos, Avenida Comandante Guaranys 47, Jacarepaguá, Rio de Janeiro, RJ, Brazil.

出版信息

Acta Crystallogr C. 2006 Jan;62(Pt 1):o42-4. doi: 10.1107/S0108270105040126. Epub 2005 Dec 24.

DOI:10.1107/S0108270105040126
PMID:16397341
Abstract

Molecules of 2-amino-5-trifluoromethyl-1,3,4-thiadiazole, C3H2F3N3S, are linked by two independent N-H...N hydrogen bonds into sheets of alternating R(2)(2)(8) and R(6)(6)(20) rings, while the molecules of the unsubstituted 2-amino-1,3,4-thiadiazole, C2H3N3S, are linked, again by two independent N-H...N hydrogen bonds, but into chains of edge-fused R(2)(2)(8) and R(4)(4)(10) rings.

摘要

2-氨基-5-三氟甲基-1,3,4-噻二唑（C₃H₂F₃N₃S）分子通过两个独立的N-H...N氢键连接成由交替的R(2)(2)(8)和R(6)(6)(20)环组成的片层，而未取代的2-氨基-1,3,4-噻二唑（C₂H₃N₃S）分子同样通过两个独立的N-H...N氢键连接，但形成由边缘稠合的R(2)(2)(8)和R(4)(4)(10)环组成的链。

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