Synthesis of a new complex borate KBaSm(BO3)2

  • Asset Kuanyshevich Bolatov al-Farabi Kazakh National University, Almaty
  • Alexander Egorovich Kokh V.S. Sobolev Institute of Geology and Mineralogy Siberian Branch Russian Academy of Sciences, Novosibirsk
  • Nadezhda Georgievna Kononova V.S. Sobolev Institute of Geology and Mineralogy Siberian Branch Russian Academy of Sciences, Novosibirsk
  • Vyacheslav Sergeevich Shevchenko V.S. Sobolev Institute of Geology and Mineralogy Siberian Branch Russian Academy of Sciences, Novosibirsk
  • Mukhambetkali Myrzabaevich Burkitbayev al-Farabi Kazakh National University, Almaty
  • Bolat Muratovich Uralbekov al-Farabi Kazakh National University, Almaty
  • Yerassyl Yerzhanuly Kaiyrzhan al-Farabi Kazakh National University, Almaty
Keywords: solid-state synthesis, complex orthoborate of rare earth element, samarium, unit cell parameters of crystalline lattice

Abstract

A novel compound containing three cation alkali, alkali earth, rare earth orthoborate KBaSm(BO3)2 was synthesized by using two-step solid-state method. Results of powder X-ray diffraction analysis (XRD) and FTIR spectroscopy showed that this compound is isostructural with known compounds KBaY(BO3)2 [1] and KBaTbB2O6 [2] and refers to trigonal crystal system (RǮm space group with unit cell parameters of crystalline lattice а=5,4845(10) Å, с=18,135(13), Z=3).
KBaSm(BO3)2 was obtained at a temperature of 825°C from initial reactants: samarium (III) oxide, barium and potassium carbonates and boric acid. Among KBaSm(BO3)2 – KBaTb(BO3)2 – KBaY (BO3)2 observed a regular linear variation of unit cell parameters, as well as regular shift of the bands in the IR spectra, depending on the size of the rare earth cation.

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Published
2016-03-30
How to Cite
Bolatov, A., Kokh, A., Kononova, N., Shevchenko, V., Burkitbayev, M., Uralbekov, B., & Kaiyrzhan, Y. (2016). Synthesis of a new complex borate KBaSm(BO3)2. Chemical Bulletin of Kazakh National University, (1), 50-57. https://doi.org/https://doi.org/10.15328/cb687
Section
Inorganic Chemistry