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Title: Steric structure and thermodynamic aspects of the complexes of dysprosium (III) with aminobenzoic acids in aqueous solutions

Abstract

Steric structures of dysprosium (III) aminobenzoate complexes with the 1:1 and 1:2 molar ratio in aqueous solutions were determined on the basis of pH-metric and paramagnetic birefringence data. An increase in conjugation observed for the series of the acids, viz., benzoic, meta-, ortho-, and para-aminobenzoic acids, results in the increased stability of the complexes with the 1:1 and 1:2 composition. In the case of para-aminobenzoic acid, the polyhedra [DyL(H{sub 2}O){sub 6}]{sup 2+} and [DyL{sub 2}(H{sub 2}O){sub 4}]{sup +} are cubes with the ligands coordinated to one and two edges, respectively. In the case of meta-aminobenzoic acid, the polyhedra [DyL(H{sub 2}O){sub 6}]{sup 2+} and [DyL{sub 2}(H{sub 2}O){sub 4}]{sup +} are a dodecahedron with the ligand coordinated to one edge and a square anti-prism with the ligands coordinated to two edges, respectively. In the case of ortho-aminobenzoic acid, both the 1:1 and 1:2 complexes have structures that are intermediate between the structures of meta- and para-aminobenzoic acids.

Authors:
;  [1]
  1. A.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan (Russian Federation)
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
160323
Resource Type:
Journal Article
Journal Name:
Russian Chemical Bulletin
Additional Journal Information:
Journal Volume: 43; Journal Issue: 10; Other Information: PBD: Oct 1994; TN: Translated from Izvestiya Akademii Nauk. Seriya Khimicheskaya; No. 10, 1767-1770(Oct 1994)
Country of Publication:
United States
Language:
English
Subject:
40 CHEMISTRY; DYSPROSIUM COMPLEXES; MOLECULAR STRUCTURE; THERMODYNAMIC PROPERTIES; AMINO ACIDS; ANTHRANILIC ACID; PABA; STRUCTURAL CHEMICAL ANALYSIS; STABILITY

Citation Formats

Kondrashina, Yu, G., Mustafina, A R, and Vul`fson, S G. Steric structure and thermodynamic aspects of the complexes of dysprosium (III) with aminobenzoic acids in aqueous solutions. United States: N. p., 1994. Web. doi:10.1007/BF00703483.
Kondrashina, Yu, G., Mustafina, A R, & Vul`fson, S G. Steric structure and thermodynamic aspects of the complexes of dysprosium (III) with aminobenzoic acids in aqueous solutions. United States. https://doi.org/10.1007/BF00703483
Kondrashina, Yu, G., Mustafina, A R, and Vul`fson, S G. 1994. "Steric structure and thermodynamic aspects of the complexes of dysprosium (III) with aminobenzoic acids in aqueous solutions". United States. https://doi.org/10.1007/BF00703483.
@article{osti_160323,
title = {Steric structure and thermodynamic aspects of the complexes of dysprosium (III) with aminobenzoic acids in aqueous solutions},
author = {Kondrashina, Yu, G. and Mustafina, A R and Vul`fson, S G},
abstractNote = {Steric structures of dysprosium (III) aminobenzoate complexes with the 1:1 and 1:2 molar ratio in aqueous solutions were determined on the basis of pH-metric and paramagnetic birefringence data. An increase in conjugation observed for the series of the acids, viz., benzoic, meta-, ortho-, and para-aminobenzoic acids, results in the increased stability of the complexes with the 1:1 and 1:2 composition. In the case of para-aminobenzoic acid, the polyhedra [DyL(H{sub 2}O){sub 6}]{sup 2+} and [DyL{sub 2}(H{sub 2}O){sub 4}]{sup +} are cubes with the ligands coordinated to one and two edges, respectively. In the case of meta-aminobenzoic acid, the polyhedra [DyL(H{sub 2}O){sub 6}]{sup 2+} and [DyL{sub 2}(H{sub 2}O){sub 4}]{sup +} are a dodecahedron with the ligand coordinated to one edge and a square anti-prism with the ligands coordinated to two edges, respectively. In the case of ortho-aminobenzoic acid, both the 1:1 and 1:2 complexes have structures that are intermediate between the structures of meta- and para-aminobenzoic acids.},
doi = {10.1007/BF00703483},
url = {https://www.osti.gov/biblio/160323}, journal = {Russian Chemical Bulletin},
number = 10,
volume = 43,
place = {United States},
year = {Sat Oct 01 00:00:00 EDT 1994},
month = {Sat Oct 01 00:00:00 EDT 1994}
}