期刊
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE
卷 636, 期 3-4, 页码 476-482出版社
WILEY-BLACKWELL
DOI: 10.1002/zaac.200900433
关键词
Heptazine; Tri-s-triazine; X-ray diffraction; Sulfonates; Vibrational spectroscopy
资金
- Deutsche Forschungsgemeinschaft (DFG) [SCHN 377/12]
- Fonds der Chemischen Industrie (FCI)
Melem C6N7(NH2)(3) was shown to form a variety of adduct phases and salts. Salts of melem can be yielded by reaction of melem with strong acids. We investigated the reaction of melem with methylsulfonic acid, thus identifying two new melemium salts with formulas HC6N7(NH2)(3)H2C6N7(NH)(3)(SO3Me)(3)center dot H2O (1) and H2C6N7(NH2)(3)(SO3Me)(2)center dot H2O (2), respectively. The structures of both compounds were elucidated using single-crystal XRD compound 1: (P (1) over bar no. 2, Z = 2, a = 10.096(2), b = 12.865(3), c = 13.369(3) angstrom, alpha = 63.28(3), beta = 81.19(3), gamma = 72.92(3)degrees, V = 1461.4(7) angstrom(3)) compound 2: (P2(1)/n, no. 14, Z = 4, a = 8.0757(16), b = 7.6937(15), c = 27.540(6) angstrom, beta = 92.03(3)degrees, V = 1710.6(6) angstrom(3)). Both compounds are discussed in comparison to structural data from the literature of other melemium salts. We also present new synthetic approaches for the preparation of melem in larger quantities.
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