Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 31
... error is , however , probably less important than line - shape errors resulting from field inhomogeneity , but the combined systematic errors could well be sufficient to explain the discrepancy between the Arrhenius activation ...
... error is , however , probably less important than line - shape errors resulting from field inhomogeneity , but the combined systematic errors could well be sufficient to explain the discrepancy between the Arrhenius activation ...
Page 47
... Errors of prediction of AH ° and estimated resonance energies ( 25 ° , dialkenes , allenes , alkynes , aromatic compounds , and radicals ) Resonance Molecule AH ° ( obs ) a , b Error energy Diolefins C - 1,3 969-9 -0.2 с -CH , cis - C ...
... Errors of prediction of AH ° and estimated resonance energies ( 25 ° , dialkenes , allenes , alkynes , aromatic compounds , and radicals ) Resonance Molecule AH ° ( obs ) a , b Error energy Diolefins C - 1,3 969-9 -0.2 с -CH , cis - C ...
Page 263
... error associated with the extrapolation . The ratio B : A gives the additional information ( kg - kg ) / ( kƊ — kg1 ) , and combination with the values of k ̧¤ and ( k ̧D - kg ) yields the three rate constants kн , kÅD , and k ̧1 ...
... error associated with the extrapolation . The ratio B : A gives the additional information ( kg - kg ) / ( kƊ — kg1 ) , and combination with the values of k ̧¤ and ( k ̧D - kg ) yields the three rate constants kн , kÅD , and k ̧1 ...
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