Quarterly Journal of the Chemical Society of London, Volume 7 |
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Page 1419
... proton- proton coupling constants . They are also insensitive to the change of substituent , an observation that sup- ports the theoretical results of Jones and Murrell , that the coupling constants in benzoquinone are in- sensitive to ...
... proton- proton coupling constants . They are also insensitive to the change of substituent , an observation that sup- ports the theoretical results of Jones and Murrell , that the coupling constants in benzoquinone are in- sensitive to ...
Page 1497
... protons PhP ( NHEt ) , 8.96 7.78 7.18 2.65-2.35 , 2.62 [ PhP ( Me ) ( NHEt ) ] + I- 8.73 7.87 ( 6-9 ) 1.7—2.1 , 2.3 PhP ( S ) ( NHEt ) , 8.92 ( 7.2 ) 1.8-2.3 , 2.6 PhP ( Se ) ( NHEt ) , 8.89 ( 7-2 ) 1.7-2.2 , 2.6 Proton chemical shifts ...
... protons PhP ( NHEt ) , 8.96 7.78 7.18 2.65-2.35 , 2.62 [ PhP ( Me ) ( NHEt ) ] + I- 8.73 7.87 ( 6-9 ) 1.7—2.1 , 2.3 PhP ( S ) ( NHEt ) , 8.92 ( 7.2 ) 1.8-2.3 , 2.6 PhP ( Se ) ( NHEt ) , 8.89 ( 7-2 ) 1.7-2.2 , 2.6 Proton chemical shifts ...
Page 1662
... proton resonances by ca. 4 % . The field - frequency locking facility of the spectrometer made it possible to monitor the peak height while the 14N frequency was varied manually within a range of 10 c./sec . , and the 14N frequency ...
... proton resonances by ca. 4 % . The field - frequency locking facility of the spectrometer made it possible to monitor the peak height while the 14N frequency was varied manually within a range of 10 c./sec . , and the 14N frequency ...
Contents
Inorganic physical and theoretical chemistry | 1001 |
The oxidation of some phosphinesubstituted chromium carbonyls | 1007 |
The preparation and magnetic properties of some oxybridged binuclear ironII Schiffbase complexes | 1014 |
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absorption acetone acid adduct alcohol Amer amine aqueous assigned ation atoms bands benzene bond bromide Calc calculated carbon carbonyl cell Chem Chemistry chloride chloroform cm.¹ co-ordinated cobalt cobalt(II complexes compounds concentration coupling constants crystals cyanide D.Sc decomposition derivatives dichloromethane dimeric electron electron spin resonance energy equation ethanol ether EXPERIMENTAL Figure formation formed Found groups H₂O halides heat hydrogen hydrogen chloride hydrolysis indium(III infrared infrared spectrum Inorg intensity iodide kcal kcal./mole kilchoanite ligand liquid magnetic measured metal methyl mixture mmoles modes mole molecular molecules n.m.r. spectra nickel nitrate nitrogen Nujol observed obtained orbital oxidation oxygen palladium parameters perchlorate phosphine Phys platinum(II potassium precipitate prepared proton pyridine Raman reaction recrystallised resonance room temperature salts sample selenophen shows similar sodium solid soluble solution solvent species spectra structure sulphur symmetry Table thermal trans values vibrations yellow yield