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Benzene Forms Hydrogen Bonds with Water

Suzuki, Sakae and Green, Peter G. and Bumgarner, Roger E. and Dasgupta, Siddharth and Goddard, William A., III and Blake, Geoffrey A. (1992) Benzene Forms Hydrogen Bonds with Water. Science, 257 (5072). pp. 942-944. ISSN 0036-8075. doi:10.1126/science.257.5072.942. https://resolver.caltech.edu/CaltechAUTHORS:20120911-151915325

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Abstract

Fully rotationally resolved spectra of three isotopic species of 1:1 clusters of benzene with water (H_2O, D_2O, and HDO) were fit to yield moments of inertia that demonstrate unambiguously that water is positioned above the benzene plane in nearly free internal rotation with both hydrogen atoms pointing toward the π cloud. Ab initio calculations (MP2 level of electron correlation and 6-31 G** basis set with basis set superposition error corrections) predict a binding energy D_e ≳ 1.78 kilocalories per mole. In both the experimental and theoretical structures, water is situated nearly 1 angstrom within the van der Waals contacts of the monomers, a clear manifestation of hydrogen bond formation in this simple model of aqueous-π electron interactions.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1126/science.257.5072.942 DOIArticle
http://www.sciencemag.org/content/257/5072/942PublisherArticle
ORCID:
AuthorORCID
Dasgupta, Siddharth0000-0002-9161-7457
Goddard, William A., III0000-0003-0097-5716
Blake, Geoffrey A.0000-0003-0787-1610
Additional Information:© 1992 American Association for the Advancement of Science. Received 21 May 1992; accepted 15 July 1992. We thank T. S. Zwier, H. S. Gutowsky, and J. J. Oh for many enlightening discussions and for sharing data prior to publication, and both referees for helpful comments. We acknowledge the financial support from the Caltech Beckman Institute, ACS-PRF, NSF-PYI, Sloan and Packard Foundations. We also acknowledge the use of the computational facilities of the Material Simulation Center at Caltech. Contribution 5190, Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125.
Funders:
Funding AgencyGrant Number
Caltech Beckman InstituteUNSPECIFIED
American Chemical Society Petroleum Research FundUNSPECIFIED
NSFUNSPECIFIED
Alfred P. Sloan FoundationUNSPECIFIED
David and Lucile Packard FoundationUNSPECIFIED
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Caltech Division of Geological and Planetary Sciences5190
WAG0281
Issue or Number:5072
DOI:10.1126/science.257.5072.942
Record Number:CaltechAUTHORS:20120911-151915325
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20120911-151915325
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:34008
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:11 Sep 2012 22:37
Last Modified:09 Nov 2021 23:05

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