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The average positions of the phenyl rings of benzil (II) are confirmed by NMR to be perpendicular to each other and those of II\u22122 to be nearly parallel to each other, but perpendicular to the plane of the cis chelate.<\/jats:p>","DOI":"10.1063\/1.1680164","type":"journal-article","created":{"date-parts":[[2004,2,9]],"date-time":"2004-02-09T21:10:05Z","timestamp":1076361005000},"page":"1171-1174","update-policy":"http:\/\/dx.doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":2,"title":["Conformational comparison of aromatic molecules and their ions. III <i>N<\/i>-(Diphenylmethylene)-aniline and benzil by NMR and EPR"],"prefix":"10.1063","volume":"59","author":[{"given":"Carlos F. G. C.","family":"Geraldes","sequence":"first","affiliation":[{"name":"Centro de Estudos de Qu\u00edmica Nuclear e Radioqu\u00edmica do Laboratorio Qu\u00edmico, Universidade de Coimbra, Coimbra, Portugal"}]},{"given":"Victor M. 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