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第1楼2018/04/23
1. 单斜 P21/a 文献: Powder data indexed using TREOR: Werner, P.E. et al., J. Appl. Crystallogr., 18 367 (1985);
2. 菱方 R-3m;单斜 C2/m 文献: Planar packing of tetrachlorodicyanobenzenes. II. Britton D. Acta Crystallogr., Sec. B: Struct. Sci. 65, 54 (2009).
3. 单斜 P21/a 文献: 3,4,5,6-tetrachloro-1,2-dicyanobenzene, Cl4C6(CN)2". Britton D. Cryst. Struct. Commun. 10, 1509 (1981).
4. 单斜 P21/a 文献: 2,4,5,6-tetrachloro-1,3-dicyanobenzene, Cl4C6(CN)2 and 2,3,5,6-tetrachloro-1,4-dicyanobenzene, Cl4C6(CN)2". Britton D. Cryst. Struct. Commun. 10, 1501 (1981).