4.6 Article

Seven-coordinate anion complex with a tren-based urea: Binding discrepancy of hydrogen sulfate in solid and solution states

Journal

ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 9, Issue 12, Pages 4444-4447

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1ob05052d

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Funding

  1. DOE under ORNL
  2. Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences, U.S. Department of Energy
  3. National Institutes of Health, Division of National Center for Research Resources [G12RR013459]
  4. National Science Foundation [CHE-0821357, CHE-0130835, CHE-1056927]
  5. University of Oklahoma
  6. NATIONAL CENTER FOR RESEARCH RESOURCES [G12RR013459] Funding Source: NIH RePORTER

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Structural characterization of a hydrogen sulfate complex with a tren-based urea suggests that the anion is coordinated with six NH center dot center dot center dot O bonds (d(N)center dot center dot center dot(O) = 2.857 (3) to 3.092 (3) angstrom) and one OH center dot center dot center dot O bond (d(O)center dot center dot center dot(O) = 2.57 (2) angstrom) from three receptors; however, in solution the anion is bound within the pseudo-cavity of one receptor.

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