Journal of the Chemical SocietyThe Society., 1964 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Page 395
... bond r - s was allowed for by using the relation suggested by Longuet - Higgins and Salem : 21 B ( 1 ) = -Bel / a ( a = 0.3106 Å ) such that ẞ ( 1.40 Å ) = Во - - 25.56 kcal./mole . A self - consistent set of bond orders were obtained ...
... bond r - s was allowed for by using the relation suggested by Longuet - Higgins and Salem : 21 B ( 1 ) = -Bel / a ( a = 0.3106 Å ) such that ẞ ( 1.40 Å ) = Во - - 25.56 kcal./mole . A self - consistent set of bond orders were obtained ...
Page 616
... bond lengths . The total -electron energy of the ground state of a molecule containing a system of n neighbouring 2p ... bond is known only in association with a o - bond . Nevertheless , from the energies of a "。 + " ' -bond and of a 6 ...
... bond lengths . The total -electron energy of the ground state of a molecule containing a system of n neighbouring 2p ... bond is known only in association with a o - bond . Nevertheless , from the energies of a "。 + " ' -bond and of a 6 ...
Page 647
... bond lengths can be divided into three groups : ( a ) about 1 · 83 Å , TABLE 3 . Interatomic distances in ruthenium pentafluoride . ( 1 ) Intramolecular Bond Ru2 - Ru Length ( Å ) Ru1 - Ru1 5.45 5.11 0.002 Bond 0.002 Ru2 - F8 Length ( Å ) ...
... bond lengths can be divided into three groups : ( a ) about 1 · 83 Å , TABLE 3 . Interatomic distances in ruthenium pentafluoride . ( 1 ) Intramolecular Bond Ru2 - Ru Length ( Å ) Ru1 - Ru1 5.45 5.11 0.002 Bond 0.002 Ru2 - F8 Length ( Å ) ...
Contents
NO PAGE | 1 |
Nucleophilic reactivity Part IV Competing bimolecular substitution | 5 |
The biosynthesis of fungal metabolites Part I Two different pathways | 16 |
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absorption acetic acid alkaline aluminium chloride Amer amine anhydride aphins aqueous aromatic atoms band benzene bond bromide Calc carbon Chem chloride chloroform chromatography cm.¹ complex compound concentration coupling constants crystallised crystals decomp decomposition derivatives diazomethane dilute dimethyl dimethyl ether dioxan dried Elution equation erythroaphin-fb erythroaphins ester ethanol ether ethyl ethyl acetate evaporated EXPERIMENTAL extracted formation Found fraction gave halides hydrochloric acid hydrogen hydrogen chloride hydrolysis infrared infrared spectra iodide irradiated isomer k₂ ligand light petroleum m. p. and mixed maltose mixed m. p. mixture mole molecule mµ log ɛ nitrogen obtained oxidation oxygen phenyl piperidine potassium precipitate prepared protoaphin proton pyridine quinone reaction recrystallised refluxed requires residue room temperature sample similar sodium hydroxide soluble solution solvent spectrum structure substitution Table ultraviolet values washed yellow yield