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Journal of Crystal and Molecular Structure

, Volume 11, Issue 5–6, pp 117–124 | Cite as

A Redetermination of the crystal structure of 2-aminophenol

  • James D. Korp
  • Ivan Bernal
  • Larry Aven
  • Jerry L. Mills
Article

Abstract

The crystal structure of 2-aminophenol has been redetermined from automatic diffractometer data in order to locate the hydroxyl and amino hydrogens and confirm the nature of the intermolecular hydrogen bonding. Crystals are orthorhombic, space groupPbca, witha =19.751(6),b = 7.250(3), andc = 7.852(5) Å, and eight molecules per cell. The structure was solved by Multan and refined to a conventionalR value of 0.030. The molecular geometry compares well with previously reported structures of related species. The molecules are hydrogen bonded from OH to N to form chains parallel to theb axis, with these chains linked together to form sheets by NH to O hydrogen bonds essentially parallel toc. The NH - O hydrogen bonds are 0.33 Å longer than the OH - N ones, and an explanation for this is provided which incorporates newly computed values for atomic electronegativities. Pairs of molecules are mutually hydrogen bonded across inversion centers. There are large cavities between the sheets which could conceivably result in easy intercalation of small foreign molecules, much as in the clathrates formed by urea and β-quinol.

Keywords

Hydrogen Crystal Structure Urea Hydrogen Bond Related Species 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Publishing Corporation 1981

Authors and Affiliations

  • James D. Korp
    • 1
  • Ivan Bernal
    • 1
  • Larry Aven
    • 2
  • Jerry L. Mills
    • 2
  1. 1.Chemistry DepartmentUniversity of HoustonHouston
  2. 2.Chemistry DepartmentTexas Tech UniversityLubbock

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