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Structure of 1,8-bis(dimethylamino)naphthalene hydrobromide dihydrate

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Abstract

1,8-bis(dimethylamino)naphthalene hydrobromide dihydrate, C14H19N +2 Br · 2H2O, crystallizes in the space groupPnma witha=7.264(1),b=11.794(1),c=18.986 (2) Å,Z=4,D m =1.34 g cm−3,D X =1350 kg cm−3. The structure was determined by Patterson and Fourier methods and refined to anR factor of 0.038. The 1,8-bis(dimethylamino)naphthalene cation has mirror symmetry, with the mirror plane passing along the C(9)-C(10) bond. The two N atoms are moved slightly out of the naphthalene plane. Theperi interactions are discussed in relation to aromaticity and to the N-C (ring) bond lengths. The structure contains channels of H bonds (Br− and water molecules) parallel toa which alternate with channels of cations in theb andc directions. One of the water molecules is disordered.

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Authors and Affiliations

  1. Institute of Chemistry, Adam Mickiewicz University, Grunwaldzka 6, 60-780, Poznań, Poland

    Danuta Pyżalska, Robert Pyżalski & Teresa Borowiak

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  1. Danuta Pyżalska
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  2. Robert Pyżalski
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  3. Teresa Borowiak
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Pyżalska, D., Pyżalski, R. & Borowiak, T. Structure of 1,8-bis(dimethylamino)naphthalene hydrobromide dihydrate. Journal of Crystallographic and Spectroscopic Research 13, 211–220 (1983). https://doi.org/10.1007/BF01161515

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  • DOI: https://doi.org/10.1007/BF01161515

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