Interpretation of /sup 1/H and /sup 13/C chemical shifts of the glycinato ligand in mixed-ligand cobalt(III) complexes
Journal Article
·
· Inorg. Chem.; (United States)
The influence of magnetic anisotropy of the cobalt(III) ion on /sup 1/H and /sup 13/C chemical shifts of the glycinato ligand was calculated for the (Co(ox)/sub x/(gly)/sub y/(en)/sub z/) complexes (oxH/sub 2/ = oxalic acid; glyH = glycine; en = ethylenediamine). It was shown that magnetic anisotropy determines chemical shifts of glycinato methylene protons throughout the series. It also significantly influences the /sup 13/C chemical shifts of the carboxylato carbon. After correction of the /sup 13/C chemical shifts for the contribution from magnetic anisotropy, the influence of trans ligands on carboxylato and methylene carbons of the glycinato chelate is clearly demonstrated.
- Research Organization:
- Univ. of Belgrade, Yugoslavia
- OSTI ID:
- 5183190
- Journal Information:
- Inorg. Chem.; (United States), Journal Name: Inorg. Chem.; (United States) Vol. 19:4; ISSN INOCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400202* -- Isotope Effects
Isotope Exchange
& Isotope Separation
400302 -- Organic Chemistry-- Isotope Effects-- (-1987)
AMINES
AMINO ACIDS
ANISOTROPY
CARBON 13
CARBON ISOTOPES
CARBOXYLIC ACIDS
CHEMICAL SHIFT
COBALT COMPLEXES
COMPLEXES
DATA
DATA FORMS
DICARBOXYLIC ACIDS
EVEN-ODD NUCLEI
EXPERIMENTAL DATA
GLYCINE
HYDROGEN 1
HYDROGEN ISOTOPES
INFORMATION
ISOLATED VALUES
ISOTOPES
LIGHT NUCLEI
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
ORGANIC ACIDS
ORGANIC COMPOUNDS
OXALIC ACID
STABLE ISOTOPES
TRANSITION ELEMENT COMPLEXES
400202* -- Isotope Effects
Isotope Exchange
& Isotope Separation
400302 -- Organic Chemistry-- Isotope Effects-- (-1987)
AMINES
AMINO ACIDS
ANISOTROPY
CARBON 13
CARBON ISOTOPES
CARBOXYLIC ACIDS
CHEMICAL SHIFT
COBALT COMPLEXES
COMPLEXES
DATA
DATA FORMS
DICARBOXYLIC ACIDS
EVEN-ODD NUCLEI
EXPERIMENTAL DATA
GLYCINE
HYDROGEN 1
HYDROGEN ISOTOPES
INFORMATION
ISOLATED VALUES
ISOTOPES
LIGHT NUCLEI
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
ORGANIC ACIDS
ORGANIC COMPOUNDS
OXALIC ACID
STABLE ISOTOPES
TRANSITION ELEMENT COMPLEXES