Experiments with tris(ethylenediamine)cobalt(III) compounds: 59Co NMR and the resolution of enantiomeric [Co(en)3]3+ ion and analysis by formation

Experiments with tris(ethylenediamine)cobalt(III) compounds: 59Co NMR and the resolution of enantiomeric [Co(en)3]3+ ion and analysis by formation

Cobalt(III) complexes are used in upper-division undergraduate inorganic laboratory to demonstrate techniques in coordination chemistry. The experiment described in this report involves the synthesis and resolution (1) of enantiomeric tris(ethylenediamine)cobalt(III) compounds and the analysis of en...

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Veröffentlicht in:Journal of chemical education 2002-04, Vol.79 (4), p.494
Hauptverfasser: Borer, L L, Russell, J G, Settlage, R E, Bryant, R G
Format: Artikel
Sprache:eng
Schlagworte:
Chemistry
Cobalt
Cobalt compounds
Coordination compounds
Ethylenediamine
Experiments
Ion pairs
Ions
NMR
NMR spectroscopy
Nuclear magnetic resonance
Optical properties
Optical rotation
Organic chemistry
Science education
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Zusammenfassung:Cobalt(III) complexes are used in upper-division undergraduate inorganic laboratory to demonstrate techniques in coordination chemistry. The experiment described in this report involves the synthesis and resolution (1) of enantiomeric tris(ethylenediamine)cobalt(III) compounds and the analysis of enantiomeric purity by optical rotation and 59Co NMR spectroscopy through the formation of diastereomeric ion pairs.
ISSN:0021-9584
1938-1328