PHYSICOCHEMICAL STUDY OF AMMONIUM DICOBALT(II)-OCTA-MOLYBDENUM WITH THE COMPOSITION (NH4)2[Co(H2O)4]2[Mo8O27]·6H2O
G. Z. Kaziev1, H. Q. Saul2, A. F. Stepanova1, V. N. Khrustalev3,4, A. de Ita2, N. A. Panurin1
a:2:{s:4:"TEXT";s:315:"1Moscow State Pedagogical University, Moscow, Russia
2Universidad Autonoma Metropolitana, Azcapotzalco, Mexico
3Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia
4Peoples’ Friendship University of Russia, Moscow, Russia";s:4:"TYPE";s:4:"html";}
Keywords: синтез, гетерополисоединения, октамолибденодикобальтат(II), РСА, ИК спектроскопия, ТГА, synthesis, heteropolycompounds, octamolybdenum cobaltate(II), single crystal XRD, IR spectroscopy, TGA
Abstract
Ammonium dicobalt(II)-octa-molybdenum with the composition (NH
4)
2[Co(H
2O)
4]
2[Mo
8O
27]×6H
2O (I) is synthesized and studied by X-ray diffraction, IR spectroscopy, and thermogravimetry. The compound crystallizes in a triclinic system with the following unit cell parameters: a = 8.62923(9) Å, b = 9.4795(10) Å, c = 12.2071(13) Å, a = 104.326(2)°, b = 109.910(2)°, g = 100.820(2)°, V = 868.18(16) Å
3, ρ
(calc.) = 3.071 g/cm
3, Z = 1. Space group is Р -1. IR spectroscopic and thermogravimetric analyses are performed.
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