Physical Chemistry and Its Biological ApplicationsPhysical Chemistry and Its Biological Applications ... |
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Page 509
... chemical shift difference from neighboring peaks to the coupling constant is very small . Selection rules valid under the condition of a large ratio of chemical shift differ- ence to J no longer apply , and therefore the number of ...
... chemical shift difference from neighboring peaks to the coupling constant is very small . Selection rules valid under the condition of a large ratio of chemical shift differ- ence to J no longer apply , and therefore the number of ...
Page 521
... chemical shifts for some simple compounds and ranges of chemical shift for some fluoroorganic structural units . -CFH2 HF Si F4 C6F6 -CF- -CF2H BF3 C - CF2 - C C6H5F C = CF2 -CF2 - N CF3 - C CF2-0 CF4 -CF2Br CF , CI CFCI 3 -C ( = O ) F ...
... chemical shifts for some simple compounds and ranges of chemical shift for some fluoroorganic structural units . -CFH2 HF Si F4 C6F6 -CF- -CF2H BF3 C - CF2 - C C6H5F C = CF2 -CF2 - N CF3 - C CF2-0 CF4 -CF2Br CF , CI CFCI 3 -C ( = O ) F ...
Page 522
... shift with structure is much like that of 1H , with aliphatic carbons at high field and olefinic and aromatic carbons at low field . Figure 13-24 shows ... chemical shifts and substituent effects 522 THIRTEEN MAGNETIC RESONANCE SPECTROSCOPY.
... shift with structure is much like that of 1H , with aliphatic carbons at high field and olefinic and aromatic carbons at low field . Figure 13-24 shows ... chemical shifts and substituent effects 522 THIRTEEN MAGNETIC RESONANCE SPECTROSCOPY.
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absorption acid adsorbed adsorption amino amount behavior benzene Calculate carbon carboxyl cell chain charge Chem chemical chemical shift chloride cm³ coefficient complex components concentration containing corresponding curve described diagram dipole dissociation distance effect electric electrolyte electron energy change enthalpy entropy enzyme equal equation equilibrium constant example force free energy frequency function H₂O heat hydrogen atom hydrogen bonds increase interaction ionic ionization k₁ k₂ kcal kcal/mol kinetic magnetic field magnitude material measured membrane mixture molar mole fraction molecular weight molecules nuclei occurs orbital osmotic pressure oxidation oxygen particles polar potential protein proton quantum number radiation rate constant ratio reactant reaction represented resonance rotation sample shown in Figure sodium solid solubility solvent species spectrum spin structure substance sucrose surface tension temperature tion titration torr transition triplet tube vapor pressure velocity vibrational viscosity volume wavelength zero