Quarterly Journal of the Chemical Society of London, Part 1, Pages 2077-3028 |
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Page 2099
... protons in the planar ligand ; ( a ) the transmission of the effect by way of the binding - and -electrons , ( b ) change in the electric dipole of the ( p - XCH1 ) Co system and the resultant electric field , and ( c ) change in the ...
... protons in the planar ligand ; ( a ) the transmission of the effect by way of the binding - and -electrons , ( b ) change in the electric dipole of the ( p - XCH1 ) Co system and the resultant electric field , and ( c ) change in the ...
Page 2871
... protons : ( i ) when there is a fixed conform- ation for the alkyl chain and ( ii ) when more than one conformation is present and the time averaged shifts differ for the methylene protons . Each of these possi- bilities has to be ...
... protons : ( i ) when there is a fixed conform- ation for the alkyl chain and ( ii ) when more than one conformation is present and the time averaged shifts differ for the methylene protons . Each of these possi- bilities has to be ...
Page 3003
... protons are equivalent provide no problems of analysis . Coupling between ring protons and methyl protons is small ( < 0 · 5 c./sec . ) and was ignored in the present work ( though see Table 2 ) . TABLE 1 Chemical shifts ( p.p.m. ) of ...
... protons are equivalent provide no problems of analysis . Coupling between ring protons and methyl protons is small ( < 0 · 5 c./sec . ) and was ignored in the present work ( though see Table 2 ) . TABLE 1 Chemical shifts ( p.p.m. ) of ...
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absorption acetate acetone acetonitrile acid adduct Amer analysis angles anion aqueous assigned band benzene bond lengths bromide bromine Calc calculated carbon carbonyl cation Chem chemical Chemistry chloride cm.¹ co-ordination cobalt cobalt(II complexes compounds concentration copper(II crystal dichloromethane dimethylformamide dithiolene electronic energy equation ethanol ether EXPERIMENTAL Fe3+ Figure formation frequency Gibbsite H₂O halides hydrogen atoms i.r. spectra Inorg intensity interaction iodomethane isomer k₁ kcal kinetics lattice ligand magnetic measured metal methyl mixture mmole modes molecular molecule molybdenum Mössbauer n.m.r. spectra nitrogen observed obtained octahedral orbital oxide parameters pentafluoride perchlorate phosphine Phys pK'a plane potassium powder prepared protons pyridine Raman rate constants reaction recrystallised resin room temperature salt samples shift shown similar sodium solid solution solvent species spectra spectrum stretching structure suggested symmetry Table tetrahydrofuran thiocyanate triphenylphosphine values vibrations X-ray yellow