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Structure of adamantan-1-ammonium 1-adamantanecarboxylate

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Abstract

Adamantan-1-ammonium 1-adamantanecarboxylate, C21H33NO2 (I) is a novel dispiro-type compound. Aminoadamantane derivatives, in which the spiro carbon atoms are part of heterocyclic rings, are of potential interest as biological active substances and antiviral agents. Complex (I) crystallizes in the centrosymmetric space group C2/c (No. 15) with eight molecules in the unit cell with a = 25.227(4), b = 6.527(1), c = 22.489(4) Å, and β = 90.75(1)°. The two spiro units are a 1-adamantylammonium cation and a 1-adamantane carbonyloxy anion. The complex units are stabilized by a network of intermolecular carbonyloxy-to-amine hydrogen bonding and van der Waals cohesive forces. Germane bond lengths are: C—N = 1.479(9) and C—O (mean) = 1.25(2) Å.

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Authors and Affiliations

  1. Department of Chemistry, Baylor University, Waco, Texas, 76798

    Donald F. Mullica, J. Matt Farmer & Jason A. Kautz

  2. Division of Arts and Sciences, Jarvis Christian College, Hawkins, Texas, 75765

    T. Gordon Scott

Authors
  1. Donald F. Mullica
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  2. T. Gordon Scott
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  3. J. Matt Farmer
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  4. Jason A. Kautz
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Mullica, D.F., Scott, T.G., Farmer, J.M. et al. Structure of adamantan-1-ammonium 1-adamantanecarboxylate. Journal of Chemical Crystallography 29, 845–848 (1999). https://doi.org/10.1023/A:1009564307821

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