Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 59
... energy between the point ( S ) and the ground state of the re- actants ( R ) . By using known or estimated energies ... energy is taken as the four atoms D ( A - B ) -D ( C - D ) —- D ( C - D ) → zero energy S x2x2 v -AH + Ecalc . XX2 T ...
... energy between the point ( S ) and the ground state of the re- actants ( R ) . By using known or estimated energies ... energy is taken as the four atoms D ( A - B ) -D ( C - D ) —- D ( C - D ) → zero energy S x2x2 v -AH + Ecalc . XX2 T ...
Page 480
... energy per C - C bond , defined for the tropylium ring unit in the sesquifulvalene ( cyclopenta- dienylidenecycloheptatriene ) derivatives , is linearly related to the loss of -electrons from this ring . Benzo- annelation increases the ...
... energy per C - C bond , defined for the tropylium ring unit in the sesquifulvalene ( cyclopenta- dienylidenecycloheptatriene ) derivatives , is linearly related to the loss of -electrons from this ring . Benzo- annelation increases the ...
Page 954
... energy of activation for the isomerization of bicyclo [ 3,2,0 ] hept - 1 ( 5 ) -ene determined in the present work ( 31.56 kcal . mole - 1 ) is 14 kcal . mole - 1 less than that for bicyclo [ 3,2,0 ] hept - 6 - ene . The differences ...
... energy of activation for the isomerization of bicyclo [ 3,2,0 ] hept - 1 ( 5 ) -ene determined in the present work ( 31.56 kcal . mole - 1 ) is 14 kcal . mole - 1 less than that for bicyclo [ 3,2,0 ] hept - 6 - ene . The differences ...
Contents
Physical organic chemistry | 1 |
Topochemistry Part XXX Crystal and molecular structures of chalcone | 11 |
Conformational studies Part I Crystal and molecular structures of cis12dipchlorobenzoyl and cis | 17 |
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4-nitroaniline A. R. Katritzky acetic acid activation energy alcohol Amer amine anion aqueous aromatic aryl-methyl ation axial benzene bond bond dissociation energies bromination calculated carbanion carbon acids catalyst Chem chemical shifts Chemistry chloride compounds concentration conformation corresponding coupling constants crystal cyclohexane derivatives deviations dilute dimethyl sulphoxide dipole electron equation ether ethylene experimental Figure fluorene formation fraction H₂O hydrocarbons hydroxide increase indicators interactions intermediate ionisation isomer isomerization isotope effect k₁ k₂ kcal kcal./mole kinetic Mc./sec measured mechanism methanol methyl mixture mole mole-¹ molecular molecules n.m.r. spectra nitrogen nucleophilic observed obtained oxide oxygen parameters phenyl Phys piperidine proton pyridines R. P. Bell radical rate constants ratio reaction relative ring selenophen shown shows signal sodium solution solvent spectrum structure substituted t-butyl Table temperature Tetrahedron thiophen transition tri-o-thymotide triethylamine triphenylmethane wave