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2015 | 13 | 1 |
Tytuł artykułu

Investigations of ternary complexes of Co(II) and Ni(II) with thiodiacetate anion and 1,10-phenanthroline or 2,2’-bipyridine in aqueous solutions

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Abstrakty
EN
A potentiometric titration method (PT) and a stopped-flow kinetic technique monitored by a UV−Vis spectroscopy have been used to characterize the stability of series of Co(II)- and Ni(II)-thiodiacetato complexes, M(TDA), in the presence of 1,10-phenanthroline (phen) or 2,2’-bipyridine (bipy) in aqueous solutions. The stability constants of the binary (1:1), ternary (1:1:1) as well as the resulting hydroxo complexes were evaluated and compared to the corresponding oxydiacetate complexes. Based on the species distribution as a function of pH the relative predominance of the species in the system over a pH range was discussed. Furthermore, the kinetic measurements of the substitution reactions of the aqua ligands to phen or bipy in the coordination sphere of the binary complexes M(TDA) were performed in the 288–303 K temperature range, at a constant concentration of phen or bipy and at seven different concentrations of the binary complexes (0.2–0.5 mM). The kinetic stability of the M(TDA) complexes was discussed in relation to the experimental conditions and the kind of the auxiliary ligands (phen/bipy). Moreover, the influence of the type of primary ligand (thiodiacetate/oxydiacetate) on the substitution rate of the auxiliary ligands was also compared.
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Wydawca

Czasopismo
Rocznik
Tom
13
Numer
1
Opis fizyczny
Daty
otrzymano
2014-02-07
zaakceptowano
2014-06-16
online
2014-11-26
Twórcy
  • Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, 80-308 Gdańsk, Poland
  • Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, 80-308 Gdańsk, Poland
  • Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, 80-308 Gdańsk, Poland
  • Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, 80-308 Gdańsk, Poland
  • Cerko Sp. z o.o. Sp. K, Al. Zwycięstwa 96/98, 81-451 Gdynia, Poland
  • Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, 80-308 Gdańsk, Poland
Bibliografia
  • [1] Wyrzykowski D., Inkielewicz-Stępniak I., Czupryniak J.,Jacewicz D., Ossowski T., Woźniak M., Chmurzyński L., Electrochemical and Biological Studies on Reactivity of [VO(oda)(H2O)2], [Co(oda)(H2O)2]·H2O, and [Ni(oda)(H2O)3]·1.5H2O Towards Superoxide Free Radicals, Z. Anorg. Allg. Chem., 2013, 639, 1795-1799.
  • [2] Sayre L.M., Perry G., Smith M.A., Chem. Res. Toxicol., Oxidative stress and neurotoxicity, 2008, 21, 172-188.
  • [3] Wyrzykowski D., Pranczk J., Jacewicz D., Tesmar A., Pilarski B., Chmurzyński L., Investigations of ternary complexes of Co(II) and Ni(II) with oxydiacetate anion and 1,10-phenanthroline or 2,2’-bipyridine in solutions, Cent. Eur. J. Chem., 2014, 12, 107-114.[WoS]
  • [4] Alarcón-Payer C., Pivetta T., Choquesillo-Lazarte D., González-Pérez J.M., Crisponi G., Castiñeiras A., et al., Inorg. Chem. Commun., Structural correlations in nickel(II)–thiodiacetato complexes: molecular and crystal structures and properties of [Ni(tda)(H2O)3], 2004, 7, 1277-1280.
  • [5] Grirrane A., Pastor A., Álvarez E., Mealli C., Ienco A., Masi D.,et al., Thiodiacetate cobalt(II) complexes: Synthesis, structure and properties, Inorg. Chem. Commun., 2005, 8, 463-466.[Crossref]
  • [6] Kopel P., Trávníček Z., Marek J., Mroziñski J., Syntheses and study on nickel(II) complexes with thiodiglycolic acid and nitrogen-donor ligands. X-ray structures of
  • [Ni(bpy)(tdga)(H2O)]·4H2O and [(en)Ni(μ-tdga)2Ni(en)]·4H2O (tdgaH2=thiodiglycolic acid), Polyhedron, 2004, 23, 1573-1578.
  • [7] Grirrane A., Pastor A., Álvarez E., Mealli C., Ienco A., Rosa P., et al., Thiodiacetate and Oxydiacetate Cobalt Complexes: Synthesis, Structure and Stereochemical Features, Eur. J. Inorg. Chem., 2007, 3543-3552.[WoS][Crossref]
  • [8] Wu J.-Y., Xie L.-M., He H.-Y., Zhou X., Zhu L.-G., Aqua(1,10-phenanthroline)(thiodiglycolato)cobalt(II), Acta Crystallogr. Sect. E, 2005, 61, m568-m570.
  • [9] Brandariz I., Barriada J., Vilarino T., de Vicente M.S., Comparison of several calibration procedures for glass electrodes in proton concentration, Monatsh Chem., 2004, 135, 1475-1488.
  • [10] Gans P., Sabatini A., Vacca A., Investigation of equilibria in solution. Determination of equilibrium constants with the HYPERQUAD suite of programs, Talanta, 1996, 43, 1739-1753.
  • [11] Alderighi L., Gans P., Ienco A., Peters D., Sabatini A., Vacca A., Hyperquad simulation and speciation (HySS): a utility program for the investigation of equilibria involving soluble and partially soluble species, Coord. Chem. Rev., 1999, 184, 311-318.
  • [12] Maeder M., Zuberbuchler A., Nonlinear Least-Squares Fitting of Multivariate Data, Anal. Chem., 1990, 64, 2220-2224.
  • [13] Wyrzykowski D., Anusiewicz I., Pilarski B., Jacewicz D., Chmurzyński L., Investigations of coordinating properties of oxydiacetate and thiodiacetate anions towards Zn2+ ions in solutions, Inorg. Chim. Acta, 2013, 405, 163-168.[WoS]
  • [14] Sillen L.G., Martel A.E, Stability constants of metal-ion complexes, The Chemical Society. London, Great Britain, 1964.
  • [15] Grirrane A., Pastor A., Lenco A., Mealli C., Galindo A., Synthesis and molecular structure of oxydiacetate complexes of nickel(II) and cobalt(II). Theoretical analysis of the planar and non-planar conformations of oxydiacetate ligand and oxydiacetic acid, J. Chem. Soc., Dalton Trans., 2002, 3771-3777.[Crossref]
  • [16] Martin R.B., Prados R.J., Some factors influencing mixed complex formation, J. Inorg. Chem., 1974, 36, 1665-1670.
  • [17] Holyer R.H., Hubbard C.D., Kettle S.F.A., Wilkins R.G.,The Kinetics of Replacement Reactions of Complexes of the Transition Metals with 1,10-Phenanthroline and 2,2’-Bipyridine, Inorg. Chem., 1965, 4, 929-935.
  • [18] Richens D.T., Ligand substitution reactions at inorganic centers, Chem. Rev. 2005, 105, 1961-2002.
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_1515_chem-2015-0048
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