Synthesis, crystal structure and characterization of alkali metal hydroxoantimonates

Alexey A. Mikhaylov, Elena A. Mel'Nik, Andrei V. Churakov, Vladimir M. Novotortsev, Judith A.K. Howard, Sergey Sladkevich, Jenny Gun, Subramanian Bharathi, Ovadia Lev*, Petr V. Prikhodchenko

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Several alkali metal hydroxoantimonates, K2[Sb(O)(OH) 5], Na[Sb(OH)6], Cs[Sb(OH)6] and Cs 2[Sb2(μ-O)2(OH)8] were isolated from aqueous solutions and characterized by single crystal and powder X-ray diffraction studies and by FTIR and thermal analysis. Crystal structures involving [Sb(O)(OH)5]2- were never anticipated before, and this is also the first disclosure of a dinuclear antimonate [Sb 2(μ-O)2(OH)8]2-. Aqueous antimonate solutions of different pH were studied by high resolution electrospray mass spectrometry showing pH indifferent spectra and predominance of the mono and dinuclear antimonate species at pH 4-10.

Original languageAmerican English
Pages (from-to)24-29
Number of pages6
JournalInorganica Chimica Acta
Issue number1
StatePublished - 30 Nov 2011

Bibliographical note

Funding Information:
We thank the Israel Ministry of Science , the Russian Foundation for Basic Research (Grants 11-03-00551 , 11-03-12131-OFI-M-2011 and 11-03-92478 ), the Council on Grants of the President of the Russian Federation ( NSh-8503.2010.3 ), the Ministry of Education and Science of the Russian Federation (Federal Target program “Scientific and Pedagogical Staff of Innovating Russia 2009–2013”, State Contract No. 16.740.11.0428). The authors acknowledge financial support of the infrastructure research program of Israel Ministry of Science and the Israel National Fund .


  • Antimonite
  • Antimony
  • Crystal structure
  • Hydroxo complex
  • Mass spectrometry


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