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An ab initio study of the valence tautomerism of type B mesoionic rings
Authors:Christopher A Ramsden  Wojciech P Oziminski
Institution:1. Lennard-Jones Laboratories, Keele University, Keele, Staffordshire ST5 5BG, UK;2. National Medicines Institute, 30/34 Che?mska Street, 00-725 Warsaw, Poland;3. Faculty of Pharmacy, Medical University of Warsaw, 1 Banacha Street, 02-097 Warsaw, Poland
Abstract:The MP2 calculated Gibbs free energies of a series of type B mesoionic rings and their acyclic valence tautomers suggest that in the gas phase the relative stability of the mesoionic ring increases with single bond strength (S />S > RN<img style=
Keywords:Corresponding authors at: Lennard-Jones Laboratories  Keele University  Keele  Staffordshire ST5 5BG  UK (C  A  Ramsden)  National Medicines Institute  30/34 Che?mska Street  00-725 Warsaw  Poland (W  P  Oziminski)    WSBRFSNWURKZSU-UHFFFAOYSA-N  NANSNPZQBAIAFJ-UHFFFAOYSA-N  NANSNPZQBAIAFJ-UHFFFAOYSA-N  ZQHFBCHNOSRFTI-UHFFFAOYSA-N  ZQHFBCHNOSRFTI-UHFFFAOYSA-N  DYAKUWSAFIHNSK-UHFFFAOYSA-N  DYAKUWSAFIHNSK-UHFFFAOYSA-N  IMZSRBGQSQGZMO-UHFFFAOYSA-N  IMZSRBGQSQGZMO-UHFFFAOYSA-N  AOLUUZVPNUWYPF-UHFFFAOYSA-N  AOLUUZVPNUWYPF-UHFFFAOYSA-N  XROMRYIOYRCYQZ-UHFFFAOYSA-N  XROMRYIOYRCYQZ-UHFFFAOYSA-N  IPUFSHIFMWKZLI-UHFFFAOYSA-N  IPUFSHIFMWKZLI-UHFFFAOYSA-N  RKDMLSXWXWPCBU-UHFFFAOYSA-N  RKDMLSXWXWPCBU-UHFFFAOYSA-N  IGIZEVJQBNAGHL-UHFFFAOYSA-N  IGIZEVJQBNAGHL-UHFFFAOYSA-N  XCBUWRBWCGEJBH-UHFFFAOYSA-N  XCBUWRBWCGEJBH-UHFFFAOYSA-N  RPTHJFMCEOIGEH-UHFFFAOYSA-N  RPTHJFMCEOIGEH-UHFFFAOYSA-N  DYROUGQNTGJTFT-UHFFFAOYSA-N  DYROUGQNTGJTFT-UHFFFAOYSA-N  YESUPSXRPPFELP-UHFFFAOYSA-N  YESUPSXRPPFELP-UHFFFAOYSA-N  MYIYZBDVYACRIL-UHFFFAOYSA-N  MYIYZBDVYACRIL-UHFFFAOYSA-N  HGDIRPFLHAZDCP-UHFFFAOYSA-N  HGDIRPFLHAZDCP-UHFFFAOYSA-N  XTGVRZKBSFJWPZ-UHFFFAOYSA-N  XTGVRZKBSFJWPZ-UHFFFAOYSA-N  KSAWQZMNXGQSDJ-UHFFFAOYSA-N  KSAWQZMNXGQSDJ-UHFFFAOYSA-N  MVDYEFQVZNBPPH-UHFFFAOYSA-N  MVDYEFQVZNBPPH-UHFFFAOYSA-N  BJWGPPXUGGJPGS-JIBZRZDWSA-N  BJWGPPXUGGJPGS-JIBZRZDWSA-N  TZRNJDXMAUYQIA-AGBVKWNQSA-N  TZRNJDXMAUYQIA-AGBVKWNQSA-N  LAILTARYCMRCJK-XVYDYJIPSA-N  LAILTARYCMRCJK-XVYDYJIPSA-N  FJYYUWXFOBITGV-XOKGJFMYSA-N  FJYYUWXFOBITGV-XOKGJFMYSA-N  XTSQHGRLOBFQLO-BTQXJGEMSA-N  XTSQHGRLOBFQLO-BTQXJGEMSA-N  OJZLWFHOVUWRST-UHFFFAOYSA-N  OJZLWFHOVUWRST-UHFFFAOYSA-N  GOTKJFIJTINXRP-YXLFCKQPSA-N  GOTKJFIJTINXRP-YXLFCKQPSA-N  LEIVXINHGQUANR-YDFGWWAZSA-N  LEIVXINHGQUANR-YDFGWWAZSA-N  GWJXGGNBNZFXMM-YXLFCKQPSA-N  GWJXGGNBNZFXMM-YXLFCKQPSA-N  KGSKYEGPYDWBLV-YDFGWWAZSA-N  KGSKYEGPYDWBLV-YDFGWWAZSA-N  DYROUGQNTGJTFT-UHFFFAOYSA-N  QPWNHRBRIVKLLP-YXLFCKQPSA-N  ROLOFZTYVCWZDQ-YDFGWWAZSA-N  ROLOFZTYVCWZDQ-YDFGWWAZSA-N  ZGELPQXQRIMZIP-UHFFFAOYSA-N  ZGELPQXQRIMZIP-UHFFFAOYSA-N  XOKFATSHEKACPA-UHFFFAOYSA-N  XOKFATSHEKACPA-UHFFFAOYSA-N  XTGVRZKBSFJWPZ-UHFFFAOYSA-N  XTGVRZKBSFJWPZ-UHFFFAOYSA-N  KSAWQZMNXGQSDJ-UHFFFAOYSA-N  KSAWQZMNXGQSDJ-UHFFFAOYSA-N  RGSFGYAAUTVSQA-UHFFFAOYSA-N  RGSFGYAAUTVSQA-UHFFFAOYSA-N  CCFUUVCMZUWDSM-UHFFFAOYSA-N  CCFUUVCMZUWDSM-UHFFFAOYSA-N  LNIHVIUCIPTJQV-UHFFFAOYSA-N  LNIHVIUCIPTJQV-UHFFFAOYSA-N  DKXPLHOKMGMMQM-UHFFFAOYSA-N  DKXPLHOKMGMMQM-UHFFFAOYSA-N  HPEJAZFPCLGLPU-UHFFFAOYSA-N  AOLUUZVPNUWYPF-UHFFFAOYSA-N  XGBPEDMFUJRGHJ-UHFFFAOYSA-N  IGIZEVJQBNAGHL-UHFFFAOYSA-N  AVFZOVWCLRSYKC-UHFFFAOYSA-N  AVFZOVWCLRSYKC-UHFFFAOYSA-N  NWZXFAYYQNFDCA-UHFFFAOYSA-N  NWZXFAYYQNFDCA-UHFFFAOYSA-N  YAMHXTCMCPHKLN-UHFFFAOYSA-N  YAMHXTCMCPHKLN-UHFFFAOYSA-N  Mesoionic  Valence tautomers  Aromatic stabilization energy  Equilibrium  Mesomeric betaine
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