Standard

A HPLC-ICP-AES technique for the screening of [XW11NbO40]: N - Aqueous solutions. / Shmakova, Alexandra A.; Akhmetova, Maria M.; Volchek, Victoria V. et al.

In: New Journal of Chemistry, Vol. 42, No. 10, 21.05.2018, p. 7940-7948.

Research output: Contribution to journal › Article › peer-review

Harvard

Shmakova, AA, Akhmetova, MM, Volchek, VV, Romanova, TE, Korolkov, I, Sheven, DG, Adonin, SA, Abramov, PA & Sokolov, MN 2018, 'A HPLC-ICP-AES technique for the screening of [XW11NbO40]: N - Aqueous solutions', New Journal of Chemistry, vol. 42, no. 10, pp. 7940-7948. https://doi.org/10.1039/c7nj04702a

APA

Shmakova, A. A., Akhmetova, M. M., Volchek, V. V., Romanova, T. E., Korolkov, I., Sheven, D. G., Adonin, S. A., Abramov, P. A., & Sokolov, M. N. (2018). A HPLC-ICP-AES technique for the screening of [XW11NbO40]: N - Aqueous solutions. New Journal of Chemistry, 42(10), 7940-7948. https://doi.org/10.1039/c7nj04702a

Vancouver

Shmakova AA, Akhmetova MM, Volchek VV, Romanova TE, Korolkov I, Sheven DG et al. A HPLC-ICP-AES technique for the screening of [XW11NbO40]: N - Aqueous solutions. New Journal of Chemistry. 2018 May 21;42(10):7940-7948. doi: 10.1039/c7nj04702a

Author

Shmakova, Alexandra A. ; Akhmetova, Maria M. ; Volchek, Victoria V. et al. / A HPLC-ICP-AES technique for the screening of [XW11NbO40]: N - Aqueous solutions. In: New Journal of Chemistry. 2018 ; Vol. 42, No. 10. pp. 7940-7948.

BibTeX

@article{cd89c13cd8844e51817b196d68a9c92f,
title = "A HPLC-ICP-AES technique for the screening of [XW11NbO40]: N - Aqueous solutions",
abstract = "The reaction of H3[PW12O40] with (NH4)[NbO(C2O4)2(H2O)2]·3H2O leads to the straightforward incorporation of Nb into a Keggin anion backbone resulting in [PW11NbO40]4- in nearly quantitative yield. Solution behavior of this monosubstituted anion as a function of pH was studied through 31P NMR and HPLC-ICP-AES techniques (a combination of chromatography and ICP-AES). Increasing of the pH leads to the elimination of Nb from the structure with the formation of mixed Nb/W Lindqvist-type anions and monolacunary [PW11O39]7-. In aged solutions of [PW11NbO40]4- the formation of a mixture of [PNb2W10O39]5- isomers was detected. The HPLC-ICP-AES technique was applied for the study of [BW11O39]9- behavior in aqueous solutions at different pH values and for monitoring the [GeW11O39]4- reaction with the niobium oxalate complex. Despite the presence of the nucleophilic NbO group [PW11NbO40]4- does not coordinate Co2+ in DMF or Ni2+ in CH3CN, producing double [Co(DMF)6][PW11NbO40]·2.6DMF (2) and [Ni(CH3CN)5.5(H2O)0.5]2[PW11NbO40]·1.7CH3CN (3) salts instead.",
keywords = "CAPILLARY-ELECTROPHORESIS, POLYOXOMETALATE CLUSTERS, EMISSION-SPECTROMETRY, LIQUID-CHROMATOGRAPHY, GAMMA-CYCLODEXTRIN, CRYSTAL-STRUCTURES, KEGGIN, NMR, POLYOXOANIONS, COORDINATION",
author = "Shmakova, {Alexandra A.} and Akhmetova, {Maria M.} and Volchek, {Victoria V.} and Romanova, {Tamara E.} and Ilya Korolkov and Sheven, {Dmitri G.} and Adonin, {Sergey A.} and Abramov, {Pavel A.} and Sokolov, {Maxim N.}",
note = "Publisher Copyright: {\textcopyright} 2018 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique.",
year = "2018",
month = may,
day = "21",
doi = "10.1039/c7nj04702a",
language = "English",
volume = "42",
pages = "7940--7948",
journal = "New Journal of Chemistry",
issn = "1144-0546",
publisher = "ROYAL SOC CHEMISTRY",
number = "10",

}

RIS

TY - JOUR

T1 - A HPLC-ICP-AES technique for the screening of [XW11NbO40]: N - Aqueous solutions

AU - Shmakova, Alexandra A.

AU - Akhmetova, Maria M.

AU - Volchek, Victoria V.

AU - Romanova, Tamara E.

AU - Korolkov, Ilya

AU - Sheven, Dmitri G.

AU - Adonin, Sergey A.

AU - Abramov, Pavel A.

AU - Sokolov, Maxim N.

N1 - Publisher Copyright: © 2018 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique.

PY - 2018/5/21

Y1 - 2018/5/21

N2 - The reaction of H3[PW12O40] with (NH4)[NbO(C2O4)2(H2O)2]·3H2O leads to the straightforward incorporation of Nb into a Keggin anion backbone resulting in [PW11NbO40]4- in nearly quantitative yield. Solution behavior of this monosubstituted anion as a function of pH was studied through 31P NMR and HPLC-ICP-AES techniques (a combination of chromatography and ICP-AES). Increasing of the pH leads to the elimination of Nb from the structure with the formation of mixed Nb/W Lindqvist-type anions and monolacunary [PW11O39]7-. In aged solutions of [PW11NbO40]4- the formation of a mixture of [PNb2W10O39]5- isomers was detected. The HPLC-ICP-AES technique was applied for the study of [BW11O39]9- behavior in aqueous solutions at different pH values and for monitoring the [GeW11O39]4- reaction with the niobium oxalate complex. Despite the presence of the nucleophilic NbO group [PW11NbO40]4- does not coordinate Co2+ in DMF or Ni2+ in CH3CN, producing double [Co(DMF)6][PW11NbO40]·2.6DMF (2) and [Ni(CH3CN)5.5(H2O)0.5]2[PW11NbO40]·1.7CH3CN (3) salts instead.

AB - The reaction of H3[PW12O40] with (NH4)[NbO(C2O4)2(H2O)2]·3H2O leads to the straightforward incorporation of Nb into a Keggin anion backbone resulting in [PW11NbO40]4- in nearly quantitative yield. Solution behavior of this monosubstituted anion as a function of pH was studied through 31P NMR and HPLC-ICP-AES techniques (a combination of chromatography and ICP-AES). Increasing of the pH leads to the elimination of Nb from the structure with the formation of mixed Nb/W Lindqvist-type anions and monolacunary [PW11O39]7-. In aged solutions of [PW11NbO40]4- the formation of a mixture of [PNb2W10O39]5- isomers was detected. The HPLC-ICP-AES technique was applied for the study of [BW11O39]9- behavior in aqueous solutions at different pH values and for monitoring the [GeW11O39]4- reaction with the niobium oxalate complex. Despite the presence of the nucleophilic NbO group [PW11NbO40]4- does not coordinate Co2+ in DMF or Ni2+ in CH3CN, producing double [Co(DMF)6][PW11NbO40]·2.6DMF (2) and [Ni(CH3CN)5.5(H2O)0.5]2[PW11NbO40]·1.7CH3CN (3) salts instead.

KW - CAPILLARY-ELECTROPHORESIS

KW - POLYOXOMETALATE CLUSTERS

KW - EMISSION-SPECTROMETRY

KW - LIQUID-CHROMATOGRAPHY

KW - GAMMA-CYCLODEXTRIN

KW - CRYSTAL-STRUCTURES

KW - KEGGIN

KW - NMR

KW - POLYOXOANIONS

KW - COORDINATION

UR - http://www.scopus.com/inward/record.url?scp=85047013152&partnerID=8YFLogxK

U2 - 10.1039/c7nj04702a

DO - 10.1039/c7nj04702a

M3 - Article

AN - SCOPUS:85047013152

VL - 42

SP - 7940

EP - 7948

JO - New Journal of Chemistry

JF - New Journal of Chemistry

SN - 1144-0546

IS - 10

ER -

ID: 13468726