CaltechAUTHORS
  A Caltech Library Service

Chemical Shifts in C_5H_5^-, C_6H_6 and C_7H_7^+; Chemical Shifts and π-Electron Densities

Fraenkel, Gideon and Carter, Robert E. and McLachlan, Andrew and Richards, John H. (1960) Chemical Shifts in C_5H_5^-, C_6H_6 and C_7H_7^+; Chemical Shifts and π-Electron Densities. Journal of the American Chemical Society, 82 (22). pp. 5846-5850. ISSN 0002-7863. http://resolver.caltech.edu/CaltechAUTHORS:20150501-164555658

Full text is not posted in this repository. Consult Related URLs below.

Use this Persistent URL to link to this item: http://resolver.caltech.edu/CaltechAUTHORS:20150501-164555658

Abstract

The chemical shifts of several salts and derivatives of the cyclopentadienyl anion C_5H_5^- and the tropylium cation C_7H_7^+ have been determined relatived to benzene as an internal standard in dimethyl sulfoxide and acetonitrile. The observed shifts are +1.85 and - 1.9 p.p.m. for C_5H_5^- and C_7H_7^+, respectively. These shifts are mainly accounted for by the electrostatic interaction between charge localized in the π-orbital oE a carbon atom and the electrons in the C-H bond. The results, in conjunction with their theoretical interpretation, are used to determine "experimental" charge distributions in other aromatic systems.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/ja01507a020DOIArticle
http://pubs.acs.org/doi/abs/10.1021/ja01507a020PublisherArticle
Additional Information:© 1960 American Chemical Society. Received June 20, 1960. Supported in part by the U. S. Public Health Service Grant No. 23332. Harkness Fellow of the Commonwealth Fund, 1959-1060.
Funders:
Funding AgencyGrant Number
U. S. Public Health Service (USPHS)23332
Commonwealth Fund FellowshipUNSPECIFIED
Record Number:CaltechAUTHORS:20150501-164555658
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20150501-164555658
Official Citation:Chemical Shifts in C5H5-, C6H6 and C7H7+; Chemical Shifts and π-Electron Densities Gideon Fraenkel, Robert E. Carter, Andrew McLachlan, and John H. Richards Journal of the American Chemical Society 1960 82 (22), 5846-5850 DOI: 10.1021/ja01507a020
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:57172
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:04 May 2015 15:13
Last Modified:13 Feb 2019 18:03

Repository Staff Only: item control page