Zobrazeno 1 - 10
of 154
pro vyhledávání: '"E. L. Belokoneva"'
Publikováno v:
Crystallography Reports. 67:1122-1126
Publikováno v:
Crystallography Reports. 67:348-355
Publikováno v:
Crystallography Reports. 66:43-55
The crystal-chemical analysis of seven structures of synthetic and natural lead silicates with formulas Pb2SiO4, Pb11Si3O17, Pb3Si2O7, {Pb4(О(ОН)2)}[SiO4], PbSiO3 (alamosite), Pb7SiO8Cl2 (asisite), and Pb21[Si7O22]2[Si4O13] was performed using the
Publikováno v:
Crystallography Reports. 66:95-104
Crystals of a new complex layered lead carbonate silicate Pb19.4Na1.9[Si10O25](CO3)9(OH)12.7 ⋅ 1.3H2O and lead silicogermanate Pb4.37[(Ge0.7Si0.3)2O7][(Ge0.6Si0.4)O2.74(OH)1.26], related to ganomalite, were prepared by the hydrothermal synthesis ro
Autor:
E. L. Belokoneva, A. P. Topnikova, A. S. Volkov, Olga V. Dimitrova, Dina V. Deyneko, Leokadiya V. Zorina
Publikováno v:
Crystallography Reports. 66:105-111
Crystals of new borate KTm[B4O6(OH)4] ⋅ 3H2O (sp. gr. Р $$\bar {3}$$ 1m, a = 4.5472(7) A, c = 12.151(3) A) have been obtained under hydrothermal conditions at T = 280°C and P = 100 atm. Their structure contains packets of two polar mica-like tetr
Publikováno v:
Crystallography Reports. 65:711-715
Crystals of new silicogermanate Ba2K2In2[(Si0.8Ge0.2)6O18] · 2H2O were prepared by the hydrothermal synthesis; sp. gr. P21/n, a = 6.5548(6) A, b = 11.6946(10) A, c = 13.0203(11) A, β = 102.774(1)°. This compound is structurally similar to the natu
Publikováno v:
Crystallography Reports. 65:566-572
Crystals of a new germanosilicate Cs2In2[(Ge0.4Si0.6)2(Ge0.3Si0.7)2(Ge0.2Si0.8)2O15](OH)2 · H2O were prepared by the hydrothermal synthesis; sp. gr. Pnma, a = 13.3159(3) A, b = 9.2615(2) A, c = 14.9222(4) A. The structure was found to contain a new
Publikováno v:
Crystallography Reports. 65:428-432
Crystals of new iodate Na3Fe[IO3]6 were prepared by the hydrothermal synthesis (the unit cell parameters a = 6.6886(2) A, b = 6.7756(3) A, c = 10.1396(6) A, α = 74.590(4)°, β = 71.510(4)°, γ = 79.960(4)°; sp. gr. P$$\bar {1}$$, R = 2.7%). The n
Publikováno v:
Zeitschrift für Kristallographie - Crystalline Materials. 235:167-172
A new silicate-germanate K2Y[(Si3Ge)O10(OH)] was synthesized hydrothermally in a system Y2O3:GeO2:SiO2 = 1:1:2 (T = 280 °C; P = 90–100 atm.); K2CO3 was added to the solution as a mineralizer. Single-crystal X-ray diffraction experiment was carried
Publikováno v:
Symmetry, Vol 13, Iss 1477, p 1477 (2021)
Symmetry
Volume 13
Issue 8
Symmetry
Volume 13
Issue 8
Single crystals of new non-centrosymmetric iodate Ba(IO3)OH are synthesized hydrothermally and structurally investigated. OD topology-symmetry analysis of layers and their alternation led to conclusions about the similarity with the Bi(IO3)O nonlinea