Quarterly Journal of the Chemical Society of London |
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Page 104
... molecule has a definite effect on its migrational velocity FIG . 7 . FIG . 8 . Migrational velocity , cm./sec.x104 70 60 50 30 20 70 60- Primary straight - chain alcohols sec . - Octy Migrational velocity , cm./sec . x 104 50 20 ⚫tert ...
... molecule has a definite effect on its migrational velocity FIG . 7 . FIG . 8 . Migrational velocity , cm./sec.x104 70 60 50 30 20 70 60- Primary straight - chain alcohols sec . - Octy Migrational velocity , cm./sec . x 104 50 20 ⚫tert ...
Page 262
... molecule of tetra- phenylene is not flat . This is to be expected from a molecular model , which when strainless takes the form shown in ( XIX ) , being of a more generally cubic than a planar shape . In the compound itself resonance ...
... molecule of tetra- phenylene is not flat . This is to be expected from a molecular model , which when strainless takes the form shown in ( XIX ) , being of a more generally cubic than a planar shape . In the compound itself resonance ...
Page 609
... molecule . The plane of the molecule is inclined at about 44 ° to the projection plane , ( 010 ) . Each contour line represents a density increment of approximately one electron per A.2 , the one - electron line being dotted ...
... molecule . The plane of the molecule is inclined at about 44 ° to the projection plane , ( 010 ) . Each contour line represents a density increment of approximately one electron per A.2 , the one - electron line being dotted ...
Contents
The final crop was therefore the optically pure lselenonium dsulphonate m p 157159 with preliminary softening | 1 |
An Investigation of the Occurrence of the Coordinate or Dative Link by Electric Dipolemoment | 38 |
p 65100 decomp Crop I which was collected washed with methyl alcohol and dried Cautious | 43 |
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4-benzthiazine absorption acetic anhydride acetone acetyl acetylene added addition aldehyde alkali Amer aqueous arsenic arsine arsonium atoms barium benzene boiling Calc carbinol carbon catalyst CH₂ Chem Chemical chloride chloroform CO₂H colourless compound condensation containing cooled crystallised crystals D.Sc decomp derivatives dilute dissolved distilled double bonds dried ester ethereal solution ethyl acetate ethylene evaporated experimental extracted filtered filtrate formation formed Found fraction furan gave give heated hydrocarbons hydrochloric acid hydrogen bromide hydrolysis iodide isolated ketone liquid methanol method methyl alcohol methyl ether mixed m. p. mixture molecule nickel nitrogen obtained optically oxide oxychloride phenylhydrazones phosphate phosphorus picrate potassium potassium hydroxide precipitate prepared presence prisms pyridine reaction reagent reduced refluxed requires residue ring room temperature salt separated sodium carbonate sodium hydroxide solid soluble solvent structure substance sulphate sulphuric acid tetrahydrofurfuryl umbellulone vacuum values washed yield zinc