Dithallium(III)-Containing 30-Tungsto-4-phosphate, [Tl2Na2(H2O)2(P2W15O56)2]16-

Synthesis, Structural Characterization, and Biological Studies

Wassim W. Ayass, Tamás Fodor, Edit Farkas, Zhengguo Lin, Hafiz M. Qasim, Saurav Bhattacharya, Ali S. Mougharbel, Khaled Abdallah, Matthias S. Ullrich, Sumera Zaib, Jamshed Iqbal, Sándor Harangi, Gábor Szalontai, I. Bányai, László Zékány, Imre Tóth, Ulrich Kortz

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Here we report on the synthesis and structural characterization of the dithallium(III)-containing 30-tungsto-4-phosphate [Tl2Na2(H2O)2{P2W15O56}2]16- (1) by a multitude of solid-state and solution techniques. Polyanion 1 comprises two octahedrally coordinated Tl3+ ions sandwiched between two trilacunary {P2W15} Wells-Dawson fragments and represents only the second structurally characterized, discrete thallium-containing polyoxometalate to date. The two outer positions of the central rhombus are occupied by sodium ions. The title polyanion is solution-stable as shown by 31P and 203/205Tl NMR. This was also supported by Tl NMR spectra simulations including several spin systems of isotopologues with half-spin nuclei (203Tl, 205Tl, 31P, 183W). 23Na NMR showed a time-averaged signal of the Na+ counter cations and the structurally bonded Na+ ions. 203/205Tl NMR spectra also showed a minor signal tentatively attributed to the trithallium-containing derivative [Tl3Na(H2O)2(P2W15O56)2]14-, which could also be identified in the solid state by single-crystal X-ray diffraction. The bioactivity of polyanion 1 was also tested against bacteria and Leishmania.

Original languageEnglish
Pages (from-to)7168-7179
Number of pages12
JournalInorganic Chemistry
Volume57
Issue number12
DOIs
Publication statusPublished - Jun 18 2018

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phosphates
Phosphates
Nuclear magnetic resonance
nuclear magnetic resonance
Ions
synthesis
solid state
ions
time signals
Thallium
thallium
Bioactivity
bacteria
Cations
Bacteria
counters
solid solutions
Sodium
fragments
sodium

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

Cite this

Dithallium(III)-Containing 30-Tungsto-4-phosphate, [Tl2Na2(H2O)2(P2W15O56)2]16- : Synthesis, Structural Characterization, and Biological Studies. / Ayass, Wassim W.; Fodor, Tamás; Farkas, Edit; Lin, Zhengguo; Qasim, Hafiz M.; Bhattacharya, Saurav; Mougharbel, Ali S.; Abdallah, Khaled; Ullrich, Matthias S.; Zaib, Sumera; Iqbal, Jamshed; Harangi, Sándor; Szalontai, Gábor; Bányai, I.; Zékány, László; Tóth, Imre; Kortz, Ulrich.

In: Inorganic Chemistry, Vol. 57, No. 12, 18.06.2018, p. 7168-7179.

Research output: Contribution to journalArticle

Ayass, WW, Fodor, T, Farkas, E, Lin, Z, Qasim, HM, Bhattacharya, S, Mougharbel, AS, Abdallah, K, Ullrich, MS, Zaib, S, Iqbal, J, Harangi, S, Szalontai, G, Bányai, I, Zékány, L, Tóth, I & Kortz, U 2018, 'Dithallium(III)-Containing 30-Tungsto-4-phosphate, [Tl2Na2(H2O)2(P2W15O56)2]16-: Synthesis, Structural Characterization, and Biological Studies', Inorganic Chemistry, vol. 57, no. 12, pp. 7168-7179. https://doi.org/10.1021/acs.inorgchem.8b00878
Ayass, Wassim W. ; Fodor, Tamás ; Farkas, Edit ; Lin, Zhengguo ; Qasim, Hafiz M. ; Bhattacharya, Saurav ; Mougharbel, Ali S. ; Abdallah, Khaled ; Ullrich, Matthias S. ; Zaib, Sumera ; Iqbal, Jamshed ; Harangi, Sándor ; Szalontai, Gábor ; Bányai, I. ; Zékány, László ; Tóth, Imre ; Kortz, Ulrich. / Dithallium(III)-Containing 30-Tungsto-4-phosphate, [Tl2Na2(H2O)2(P2W15O56)2]16- : Synthesis, Structural Characterization, and Biological Studies. In: Inorganic Chemistry. 2018 ; Vol. 57, No. 12. pp. 7168-7179.
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abstract = "Here we report on the synthesis and structural characterization of the dithallium(III)-containing 30-tungsto-4-phosphate [Tl2Na2(H2O)2{P2W15O56}2]16- (1) by a multitude of solid-state and solution techniques. Polyanion 1 comprises two octahedrally coordinated Tl3+ ions sandwiched between two trilacunary {P2W15} Wells-Dawson fragments and represents only the second structurally characterized, discrete thallium-containing polyoxometalate to date. The two outer positions of the central rhombus are occupied by sodium ions. The title polyanion is solution-stable as shown by 31P and 203/205Tl NMR. This was also supported by Tl NMR spectra simulations including several spin systems of isotopologues with half-spin nuclei (203Tl, 205Tl, 31P, 183W). 23Na NMR showed a time-averaged signal of the Na+ counter cations and the structurally bonded Na+ ions. 203/205Tl NMR spectra also showed a minor signal tentatively attributed to the trithallium-containing derivative [Tl3Na(H2O)2(P2W15O56)2]14-, which could also be identified in the solid state by single-crystal X-ray diffraction. The bioactivity of polyanion 1 was also tested against bacteria and Leishmania.",
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AU - Ayass, Wassim W.

AU - Fodor, Tamás

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AU - Lin, Zhengguo

AU - Qasim, Hafiz M.

AU - Bhattacharya, Saurav

AU - Mougharbel, Ali S.

AU - Abdallah, Khaled

AU - Ullrich, Matthias S.

AU - Zaib, Sumera

AU - Iqbal, Jamshed

AU - Harangi, Sándor

AU - Szalontai, Gábor

AU - Bányai, I.

AU - Zékány, László

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