Abstract
In the crystal structure of TBM-trihydrate three waters of crystallization were found to locate dissymmetrically. Thus, one of them forms a chelated ring with the neighboring C=O and N–H of TBM. Two other ones bind each other through hydrogen bonding and two sets of which form a cyclic dimer by hydrogen bonding (namely, water-tetramer). A C=O group binds by hydrogen bonding to each of the tetrameric water. The spatial volume occupied by water-teramer appears to be sufficient for complexation with organic molecules.
References
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I. Takahashi, M. Takahashi, T. Morita, T. Keumi, H. Kitajima, M. Wagi, M. Hatanaka, T. Ohta, and S. Hosoi, Anal. Sci., 2002, 18, 619.
I. Takahashi, M. Wagi, M. Hatanaka, A. Yamano, T. Ohta, and S. Hosoi, Anal. Sci., in preparation.
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Takahashi, I., Kamimura, S., Hatanaka, M. et al. Crystal Structure of Dissymmetrically Trihydrated N, N′,N″-Tribenzoylmelamine (TBM). ANAL. SCI. 19, 807–808 (2003). https://doi.org/10.2116/analsci.19.807
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DOI: https://doi.org/10.2116/analsci.19.807