Synthesis and Characterization of the Peroxo Complexes of Uranium (VI) Containing Organic Acids and Amine Bases Ligands

Jahanara Nasrin

doi:doi:10.11648/j.ijmsa.20150401.14

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Synthesis and Characterization of the Peroxo Complexes of Uranium (VI) Containing Organic Acids and Amine Bases Ligands

Jahanara Nasrin

Published in International Journal of Materials Science and Applications (Volume 4, Issue 1)

Received: 25 December 2014 Accepted: 11 January 2015 Published: 22 January 2015

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Abstract

Several new peroxo complexes of U(VI) have been synthesized and characterized by element analyses and various physico-chemical techniques. A number of organic and amine ligands were used to form the complexes having compositions, [UO(O2)amH2L], where, [amH=amino acids, such as glycine, phenylalanine, leucine ; L= ligands such as pyridine, 2-picoline, 4-picoline, quinoline, iso-quinoline. The analytical data are in good agreement with the proposed empirical formulae of the U(VI) complexes. The molar conductance values indicate all the complexes of U(VI) are non-electrolyte in DMF revealing that the anions are covalently bonded in all the cases. The disappearance of the v(O-H) mode observed in the free amino acid molecule clearly indicate the loss of protons from O-H group coordination, revealing that acids are dinegative bidentate ligand coordinating through the carboxylate anion. The characteristic v1(O-O) mode of the complexes appeared in the region 842-916 cm-1, indicating that the dioxygen moieties are bonded on “side–on” fashion with the U(VI). The magnetic moment values indicated that these complexes were diamagnetic in nature suggesting no changes in the oxidation states of the metal ions upon complexation. These data also consistent with eight fold coordination of U(VI). The electronic spectral data of the complexes showed bands in between 315-380 nm due to the charge transfer band only.

Published in	International Journal of Materials Science and Applications (Volume 4, Issue 1)
DOI	10.11648/j.ijmsa.20150401.14
Page(s)	20-25
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2015. Published by Science Publishing Group

Keywords

Synthesis, Characterization, Peroxo Complexes, Uranium (VI)

References

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Jahanara Nasrin. (2015). Synthesis and Characterization of the Peroxo Complexes of Uranium (VI) Containing Organic Acids and Amine Bases Ligands. International Journal of Materials Science and Applications, 4(1), 20-25. https://doi.org/10.11648/j.ijmsa.20150401.14

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ACS Style

Jahanara Nasrin. Synthesis and Characterization of the Peroxo Complexes of Uranium (VI) Containing Organic Acids and Amine Bases Ligands. Int. J. Mater. Sci. Appl. 2015, 4(1), 20-25. doi: 10.11648/j.ijmsa.20150401.14

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AMA Style

Jahanara Nasrin. Synthesis and Characterization of the Peroxo Complexes of Uranium (VI) Containing Organic Acids and Amine Bases Ligands. Int J Mater Sci Appl. 2015;4(1):20-25. doi: 10.11648/j.ijmsa.20150401.14

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@article{10.11648/j.ijmsa.20150401.14,
  author = {Jahanara Nasrin},
  title = {Synthesis and Characterization of the Peroxo Complexes of Uranium (VI) Containing Organic Acids and Amine Bases Ligands},
  journal = {International Journal of Materials Science and Applications},
  volume = {4},
  number = {1},
  pages = {20-25},
  doi = {10.11648/j.ijmsa.20150401.14},
  url = {https://doi.org/10.11648/j.ijmsa.20150401.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmsa.20150401.14},
  abstract = {Several new peroxo complexes of U(VI) have been synthesized and characterized by element analyses and various physico-chemical techniques. A number of organic and amine ligands were used to form the complexes having compositions, [UO(O2)amH2L], where, [amH=amino acids, such as glycine, phenylalanine, leucine ; L= ligands such as pyridine, 2-picoline, 4-picoline, quinoline, iso-quinoline. The analytical data are in good agreement with the proposed empirical formulae of the U(VI) complexes. The molar conductance values indicate all the complexes of U(VI) are non-electrolyte in DMF revealing that the anions are covalently bonded in all the cases. The disappearance of the v(O-H) mode observed in the free amino acid molecule clearly indicate the loss of protons from O-H group coordination, revealing that acids are dinegative bidentate ligand coordinating through the carboxylate anion. The characteristic v1(O-O) mode of the complexes appeared in the region 842-916 cm-1, indicating that the dioxygen moieties are bonded on “side–on” fashion with the U(VI). The magnetic moment values indicated that these complexes were diamagnetic in nature suggesting no changes in the oxidation states of the metal ions upon complexation. These data also consistent with eight fold coordination of U(VI). The electronic spectral data of the complexes showed bands in between 315-380 nm due to the charge transfer band only.},
 year = {2015}
}

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TY  - JOUR
T1  - Synthesis and Characterization of the Peroxo Complexes of Uranium (VI) Containing Organic Acids and Amine Bases Ligands
AU  - Jahanara Nasrin
Y1  - 2015/01/22
PY  - 2015
N1  - https://doi.org/10.11648/j.ijmsa.20150401.14
DO  - 10.11648/j.ijmsa.20150401.14
T2  - International Journal of Materials Science and Applications
JF  - International Journal of Materials Science and Applications
JO  - International Journal of Materials Science and Applications
SP  - 20
EP  - 25
PB  - Science Publishing Group
SN  - 2327-2643
UR  - https://doi.org/10.11648/j.ijmsa.20150401.14
AB  - Several new peroxo complexes of U(VI) have been synthesized and characterized by element analyses and various physico-chemical techniques. A number of organic and amine ligands were used to form the complexes having compositions, [UO(O2)amH2L], where, [amH=amino acids, such as glycine, phenylalanine, leucine ; L= ligands such as pyridine, 2-picoline, 4-picoline, quinoline, iso-quinoline. The analytical data are in good agreement with the proposed empirical formulae of the U(VI) complexes. The molar conductance values indicate all the complexes of U(VI) are non-electrolyte in DMF revealing that the anions are covalently bonded in all the cases. The disappearance of the v(O-H) mode observed in the free amino acid molecule clearly indicate the loss of protons from O-H group coordination, revealing that acids are dinegative bidentate ligand coordinating through the carboxylate anion. The characteristic v1(O-O) mode of the complexes appeared in the region 842-916 cm-1, indicating that the dioxygen moieties are bonded on “side–on” fashion with the U(VI). The magnetic moment values indicated that these complexes were diamagnetic in nature suggesting no changes in the oxidation states of the metal ions upon complexation. These data also consistent with eight fold coordination of U(VI). The electronic spectral data of the complexes showed bands in between 315-380 nm due to the charge transfer band only.
VL  - 4
IS  - 1
ER  -

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Author Information

Jahanara Nasrin

Department of Materials Science and Engineering, Faculty of Engineering, Rajshahi University, Rajshahi, Bangladesh

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APA Style

Jahanara Nasrin. (2015). Synthesis and Characterization of the Peroxo Complexes of Uranium (VI) Containing Organic Acids and Amine Bases Ligands. International Journal of Materials Science and Applications, 4(1), 20-25. https://doi.org/10.11648/j.ijmsa.20150401.14

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ACS Style

Jahanara Nasrin. Synthesis and Characterization of the Peroxo Complexes of Uranium (VI) Containing Organic Acids and Amine Bases Ligands. Int. J. Mater. Sci. Appl. 2015, 4(1), 20-25. doi: 10.11648/j.ijmsa.20150401.14

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AMA Style

Jahanara Nasrin. Synthesis and Characterization of the Peroxo Complexes of Uranium (VI) Containing Organic Acids and Amine Bases Ligands. Int J Mater Sci Appl. 2015;4(1):20-25. doi: 10.11648/j.ijmsa.20150401.14

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@article{10.11648/j.ijmsa.20150401.14,
  author = {Jahanara Nasrin},
  title = {Synthesis and Characterization of the Peroxo Complexes of Uranium (VI) Containing Organic Acids and Amine Bases Ligands},
  journal = {International Journal of Materials Science and Applications},
  volume = {4},
  number = {1},
  pages = {20-25},
  doi = {10.11648/j.ijmsa.20150401.14},
  url = {https://doi.org/10.11648/j.ijmsa.20150401.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmsa.20150401.14},
  abstract = {Several new peroxo complexes of U(VI) have been synthesized and characterized by element analyses and various physico-chemical techniques. A number of organic and amine ligands were used to form the complexes having compositions, [UO(O2)amH2L], where, [amH=amino acids, such as glycine, phenylalanine, leucine ; L= ligands such as pyridine, 2-picoline, 4-picoline, quinoline, iso-quinoline. The analytical data are in good agreement with the proposed empirical formulae of the U(VI) complexes. The molar conductance values indicate all the complexes of U(VI) are non-electrolyte in DMF revealing that the anions are covalently bonded in all the cases. The disappearance of the v(O-H) mode observed in the free amino acid molecule clearly indicate the loss of protons from O-H group coordination, revealing that acids are dinegative bidentate ligand coordinating through the carboxylate anion. The characteristic v1(O-O) mode of the complexes appeared in the region 842-916 cm-1, indicating that the dioxygen moieties are bonded on “side–on” fashion with the U(VI). The magnetic moment values indicated that these complexes were diamagnetic in nature suggesting no changes in the oxidation states of the metal ions upon complexation. These data also consistent with eight fold coordination of U(VI). The electronic spectral data of the complexes showed bands in between 315-380 nm due to the charge transfer band only.},
 year = {2015}
}

Copy | Download

TY  - JOUR
T1  - Synthesis and Characterization of the Peroxo Complexes of Uranium (VI) Containing Organic Acids and Amine Bases Ligands
AU  - Jahanara Nasrin
Y1  - 2015/01/22
PY  - 2015
N1  - https://doi.org/10.11648/j.ijmsa.20150401.14
DO  - 10.11648/j.ijmsa.20150401.14
T2  - International Journal of Materials Science and Applications
JF  - International Journal of Materials Science and Applications
JO  - International Journal of Materials Science and Applications
SP  - 20
EP  - 25
PB  - Science Publishing Group
SN  - 2327-2643
UR  - https://doi.org/10.11648/j.ijmsa.20150401.14
AB  - Several new peroxo complexes of U(VI) have been synthesized and characterized by element analyses and various physico-chemical techniques. A number of organic and amine ligands were used to form the complexes having compositions, [UO(O2)amH2L], where, [amH=amino acids, such as glycine, phenylalanine, leucine ; L= ligands such as pyridine, 2-picoline, 4-picoline, quinoline, iso-quinoline. The analytical data are in good agreement with the proposed empirical formulae of the U(VI) complexes. The molar conductance values indicate all the complexes of U(VI) are non-electrolyte in DMF revealing that the anions are covalently bonded in all the cases. The disappearance of the v(O-H) mode observed in the free amino acid molecule clearly indicate the loss of protons from O-H group coordination, revealing that acids are dinegative bidentate ligand coordinating through the carboxylate anion. The characteristic v1(O-O) mode of the complexes appeared in the region 842-916 cm-1, indicating that the dioxygen moieties are bonded on “side–on” fashion with the U(VI). The magnetic moment values indicated that these complexes were diamagnetic in nature suggesting no changes in the oxidation states of the metal ions upon complexation. These data also consistent with eight fold coordination of U(VI). The electronic spectral data of the complexes showed bands in between 315-380 nm due to the charge transfer band only.
VL  - 4
IS  - 1
ER  -

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