30 research outputs found
Investigation of the catalytic activity of heteropoly compounds on the propane cracking model reaction
Synthesis and study of ammonium hexamolybdobismuthate(III)
Ammonium hexamolybdobismuthate(III) of composition (NH(4))(3)[BiMo(6)O(18)(OH)(6)] center dot 7H(2)O (I) was synthesized and studied by mass spectrometry, X-ray diffraction, IR spectroscopy, and thermogravimetry. The compound is monoclinic: a = 10.438 , b = 7.909 , c = 18.127 , beta = 96.59A degrees, V = 1486.76 (3), rho(calc) = 3.32 g/cm(3), Z = 2
Synthesis and physicochemical study of hexaamminechromium(III) hexamolybdogallate
Hexaamminechromium(III) hexamolybdogallate of composition [Cr(NH 3)6][GaMo6O18(OH)6] • 5H2O (I) was synthesized and studied by mass spectrometry, IR spectroscopy, thermogravimetry, and X-ray diffraction. Crystals I are monoclinic: a = 11.77 Å, b = 10.97 Å, c = 15.49 Å, β = 115.11°, V = 1811.29 Å3, ρcalc = 1.17 g/cm3, Z = 1. The compound obtained was used as a catalyst for soft oxidation of natural gas at 633 K. © 2011 Pleiades Publishing, Ltd
Synthesis and study of ammonium hexamolybdobismuthate(III)
Ammonium hexamolybdobismuthate(III) of composition (NH4) 3[BiMo6O18(OH)6] · 7H 2O (I) was synthesized and studied by mass spectrometry, X-ray diffraction, IR spectroscopy, and thermogravimetry. The compound is monoclinic: a = 10.438 Å, b = 7.909 Å, c = 18.127 Å, β = 96.59°, V = 1486.76 Å3, ρcalc = 3.32 g/cm3, Z = 2. © Pleiades Publishing, Ltd., 2011
Synthesis and study of physicochemical properties of the magnesium heteropoly compound (NH4)4[MgMo6O 18(OH)6] · 5H2O
The magnesium heteropoly compound (NH4)4[MgMo 6O18(OH)6] ·5H2O (I) has been synthesized and studied by mass spectrometry, IR spectroscopy, X-ray powder diffraction, and thermogravimetry. Crystals of I are monoclinic, space group P21/n, a = 15.10 Å, b = 11.64 Å, c = 13.53 Å, β = 74.28°, V = 2289.31 Å3, rho;calc = 1.09 g/cm3, Z = 1. © 2012 Pleiades Publishing, Ltd
Synthesis and physicochemical study of hexaamminechromium(III) hexamolybdogallate
Hexaamminechromium(III) hexamolybdogallate of composition [Cr(NH 3)6][GaMo6O18(OH)6] • 5H2O (I) was synthesized and studied by mass spectrometry, IR spectroscopy, thermogravimetry, and X-ray diffraction. Crystals I are monoclinic: a = 11.77 Å, b = 10.97 Å, c = 15.49 Å, β = 115.11°, V = 1811.29 Å3, ρcalc = 1.17 g/cm3, Z = 1. The compound obtained was used as a catalyst for soft oxidation of natural gas at 633 K. © 2011 Pleiades Publishing, Ltd
Synthesis and study of ammonium hexamolybdobismuthate(III)
Ammonium hexamolybdobismuthate(III) of composition (NH4) 3[BiMo6O18(OH)6] · 7H 2O (I) was synthesized and studied by mass spectrometry, X-ray diffraction, IR spectroscopy, and thermogravimetry. The compound is monoclinic: a = 10.438 Å, b = 7.909 Å, c = 18.127 Å, β = 96.59°, V = 1486.76 Å3, ρcalc = 3.32 g/cm3, Z = 2. © Pleiades Publishing, Ltd., 2011
Synthesis and study of physicochemical properties of the magnesium heteropoly compound (NH4)4[MgMo6O 18(OH)6] · 5H2O
The magnesium heteropoly compound (NH4)4[MgMo 6O18(OH)6] ·5H2O (I) has been synthesized and studied by mass spectrometry, IR spectroscopy, X-ray powder diffraction, and thermogravimetry. Crystals of I are monoclinic, space group P21/n, a = 15.10 Å, b = 11.64 Å, c = 13.53 Å, β = 74.28°, V = 2289.31 Å3, rho;calc = 1.09 g/cm3, Z = 1. © 2012 Pleiades Publishing, Ltd
Hydrated Dodecatungstatosilicate Complex with Protonated 1,2-Phenylenediamine (C6H9N2)3(H3O)SiW12O40 · 8H2O: Synthesis and Crystal Structure
The hydrated dodecatungstatosilicate complex with protonated ortho-phenylenediamine (C6H9N2)3(Н3O)SiW12O40 · 8H2O has been synthesized and studied by X-ray diffraction. Crystals are triclinic, space group Р-1, a = 13.6817(5) Å, b =1 4.5915(5) Å, с = 15.8844(5) Å, α = 98.891(3)°, β = 101.836(3)°, γ = 114.156(2)°, V = 2729.05(16) Å3, ρcalcd = 4.100 g/cm3, Z = 2. © 2018, Pleiades Publishing, Ltd
Synthesis and study of 1,3,7-trimethylpurine-2,6-dione hydrogen dodecatungstenphosphate of composition (C8N4O 2H11)2HPW12O40
1,3,7-Trimethylpurine-2,6-dione hydrogen dodecatungstenphosphate (C 8N4O2H11)2HPW 12O40 (I) was synthesized. The compound was examined by chemical analysis, IR spectroscopy, X-ray phase analysis and thermogravimetry. The compound I was established to crystallize into monoclinic systems having parameters of elementary cell: a = 10.9129(75), b = 9.1346(70), c = 26.185(23) Å, β = 81.05(27), Z = 2, d calc = 4.35 g cm-3, V = 2578(4) Å3. © 2009 Pleiades Publishing, Ltd