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Beletskiy EV, Wang XB, Kass SR. Anion Binding of One-, Two-, and Three-Armed Thiourea Receptors Examined via Photoelectron Spectroscopy and Quantum Computations. J Phys Chem A. 2016;120(42):8309-8316doi: 10.1021/acs.jpca.6b08438.
Beletskiy, E. V., Wang, X. B., & Kass, S. R. (2016). Anion Binding of One-, Two-, and Three-Armed Thiourea Receptors Examined via Photoelectron Spectroscopy and Quantum Computations. The journal of physical chemistry. A, 120(42), 8309-8316. https://doi.org/10.1021/acs.jpca.6b08438
Beletskiy, Evgeny V, et al. "Anion Binding of One-, Two-, and Three-Armed Thiourea Receptors Examined via Photoelectron Spectroscopy and Quantum Computations." The journal of physical chemistry. A vol. 120,42 (2016): 8309-8316. doi: https://doi.org/10.1021/acs.jpca.6b08438
Beletskiy EV, Wang XB, Kass SR. Anion Binding of One-, Two-, and Three-Armed Thiourea Receptors Examined via Photoelectron Spectroscopy and Quantum Computations. J Phys Chem A. 2016 Oct 27;120(42):8309-8316. doi: 10.1021/acs.jpca.6b08438. Epub 2016 Oct 13. PMID: 27704828.
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J Phys Chem A. 2016 Oct 27;120(42):8309-8316. doi: 10.1021/acs.jpca.6b08438. Epub 2016 Oct 13.

Anion Binding of One-, Two-, and Three-Armed Thiourea Receptors Examined via Photoelectron Spectroscopy and Quantum Computations.

The journal of physical chemistry. A

Evgeny V Beletskiy, Xue-Bin Wang, Steven R Kass

Affiliations

  1. Department of Chemistry, University of Minnesota , Minneapolis, Minnesota 55455, United States.
  2. Physical Sciences Division, Pacific Northwest National Laboratory , P.O. Box 999, MS K8-88, Richland, Washington 99352, United States.

PMID: 27704828 DOI: 10.1021/acs.jpca.6b08438

Abstract

Benzene rings substituted with 1-3 thiourea containing arms (1-3) were examined by photoelectron spectroscopy and density functional theory computations. Their conjugate bases and chloride, acetate, and dihydrogen phosphate anion clusters are reported. The resulting vertical and adiabatic detachment energies span 3.93-5.82 eV (VDE) and 3.65-5.10 (ADE) for the deprotonated species and 4.88-5.97 eV (VDE) and 4.45-5.60 eV (ADE) for the anion complexes. These results reveal the stabilizing effects of multiple hydrogen bonds and anionic host-guest interactions in the gas phase. Previously measured equilibrium binding constants in aqueous dimethyl sulfoxide for all three thioureas are compared to the present results, and cooperative binding is uniformly observed in the gas phase but only for one case (i.e., 3·H

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