Quarterly Journal of the Chemical Society of London, Part 1, Pages 2077-3028 |
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Page 2079
... frequencies were reproducible to within ± 1 cm. ̄1 . The i.r. spectra were recorded on a Unicam SP 100 Mark II spectrometer . Samples were finely ground for hr . to optimise band profiles prior to pressing in KBr discs . Frequencies ...
... frequencies were reproducible to within ± 1 cm. ̄1 . The i.r. spectra were recorded on a Unicam SP 100 Mark II spectrometer . Samples were finely ground for hr . to optimise band profiles prior to pressing in KBr discs . Frequencies ...
Page 2745
... frequencies of the complexes ( T - CH2 ) Fe ( CO ) , X ( X = Cl , Br , or I ) depend on the inductive effect of the halogen ligand . Figure 1 shows that there is a linear dependence between the carbonyl stretching frequencies and the ...
... frequencies of the complexes ( T - CH2 ) Fe ( CO ) , X ( X = Cl , Br , or I ) depend on the inductive effect of the halogen ligand . Figure 1 shows that there is a linear dependence between the carbonyl stretching frequencies and the ...
Page 2843
... frequencies in the nitrogen and carbonyl analogues do not run parallel . The only correlation between the two is that the more aliphatic phosphines give the lower frequencies . In particular ( N = N ) of [ IrCl ( N2 ) ( PMe , Ph ) 2 ] ...
... frequencies in the nitrogen and carbonyl analogues do not run parallel . The only correlation between the two is that the more aliphatic phosphines give the lower frequencies . In particular ( N = N ) of [ IrCl ( N2 ) ( PMe , Ph ) 2 ] ...
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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