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Study of hafnium complexes by time differential perturbed angular correlation technique

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Published/Copyright: September 25, 2009
Radiochimica Acta
From the journal Radiochimica Acta Volume 91 Issue 12

Abstract

Complexation of hafnium with two ligands viz. diethylene triamine pentaacetic acid (DTPA) and its dimethyl ester derivative (DMDTPA) has been studied by using time differential perturbed angular correlation (TDPAC) technique. Nuclear quadrupole coupling constant (νQ), asymmetry of the EFG (η) and the frequency distribution (δ) for these complexes have been obtained. Square antiprism structures have been suggested for these complexes using these parameters. A systematic trend of the νQ has been observed in these and other hafnium complexes with similar ligands and has been explained in terms of the electronegativity of the donor atoms in the ligands.

Published Online: 2009-9-25
Published in Print: 2003-12-1

© 2003 Oldenbourg Wissenschaftsverlag GmbH

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  1. The centennial of the 1903 Nobel Prize for physics
  2. Measurement and calculation of radioactivities of spallation products by high-energy heavy ions
  3. Evaluation of ovotransferrin-matrix metal-affinity metalloprotein chromatography for Pu(IV) separations
  4. Role of ligand basicity and stereochemistry in the extraction of plutonium(IV) isoxazolonates
  5. Sorption kinetics and impact of temperature, ionic strength and colloid concentration on the adsorption of plutonium-239 by inorganic colloids
  6. Sorption of Np(V) by synthetic hydroxyapatite
  7. Extraction of the uranyl ion with 3-phenyl-4-benzoyl-5-isoxazolone (HPBI) and neutral donors from dilute nitric acid medium
  8. Quinoline-8-ol modified cellulose as solid phase extractant (SPE) for preconcentrative separation and determination of thorium(IV)
  9. Humic colloid mediated transport of tetravalent actinides and technetium
  10. Thermodynamic model for the solubility of ThO2(am) in the aqueous Na+-H+-OH--NO3--H2O-EDTA system
  11. Electrochemical dissolution of simulated "white inclusions". Kinetics and material balance for Mo, Re, Ru metals and their alloys during electrochemical dissolution in nitric acid
  12. Study of hafnium complexes by time differential perturbed angular correlation technique
  13. Np(V) cation–cation interactions. A new contribution from EXAFS spectroscopy?
https://doi.org/10.1524/ract.91.12.769.23421

Articles in the same Issue

  1. The centennial of the 1903 Nobel Prize for physics
  2. Measurement and calculation of radioactivities of spallation products by high-energy heavy ions
  3. Evaluation of ovotransferrin-matrix metal-affinity metalloprotein chromatography for Pu(IV) separations
  4. Role of ligand basicity and stereochemistry in the extraction of plutonium(IV) isoxazolonates
  5. Sorption kinetics and impact of temperature, ionic strength and colloid concentration on the adsorption of plutonium-239 by inorganic colloids
  6. Sorption of Np(V) by synthetic hydroxyapatite
  7. Extraction of the uranyl ion with 3-phenyl-4-benzoyl-5-isoxazolone (HPBI) and neutral donors from dilute nitric acid medium
  8. Quinoline-8-ol modified cellulose as solid phase extractant (SPE) for preconcentrative separation and determination of thorium(IV)
  9. Humic colloid mediated transport of tetravalent actinides and technetium
  10. Thermodynamic model for the solubility of ThO2(am) in the aqueous Na+-H+-OH--NO3--H2O-EDTA system
  11. Electrochemical dissolution of simulated "white inclusions". Kinetics and material balance for Mo, Re, Ru metals and their alloys during electrochemical dissolution in nitric acid
  12. Study of hafnium complexes by time differential perturbed angular correlation technique
  13. Np(V) cation–cation interactions. A new contribution from EXAFS spectroscopy?
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