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The crystal structure of (Mg,Ga)8(Ga,Ge)2O12

Published/Copyright: August 25, 2010
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Zeitschrift für Kristallographie
From the journal Zeitschrift für Kristallographie Volume 198 Issue 1-2

Abstract

The crystal structure of the compound (Mg13.7Ga2.3)(Ga2.3Ge1.7)024, forming as part of the solid solution (Mg,Ga)8(Ga,Ge)2O12 in the MgO – Ga2O3 – GeO2 system, has been determined by single-crystal X-ray diffraction. Crystal data: Mr = 1161.16, orthorhombic, Cmmm space-group (No-65), Z = 1, F(000) = 5555.17, λ(MoKα) = 0.71069 Å, T = 295(1) K, a = 5.8475(8) Å, b = 25.474(4) Å, c = 2.9824(6) Å, V = 444.3(1) Å3, Dc = 4.339 Mg · m−3, μ(MoKα) = 108.90 cm−1, R = 0.036, wR = 0.032 for 425 independent reflections. The structure is based on a slightly distorted ccp oxygen array with Ga and Ge atoms randomly distributed on the tetrahedral sites but Mg and Ga atoms strongly ordered on the octahedral sites. The structure can be described as an intergrowth of the rock-salt and β-gallia structure-types.

Published Online: 2010-08-25
Published in Print: 1992

Articles in the same Issue

  1. Zur kristallchemischen Einordnung von NaSbCl6, NaNbCl6 und NaTaCl6
  2. The symmetry operations for n-dimensional periodic and quasi-periodic structures *
  3. Crystal growth, crystal structure, optical, electro-optic and electrostrictive properties of the complex silver thiocyanates Cs3Sr[Ag2(SCN)7] and Cs3Ba[Ag2(SCN)7]
  4. Beiträge zum thermischen Verhalten wasserfreier Phosphate
  5. Reaction of heptamethyldisilazane with oxo ligands. Crystal structure of Re(NMe)Cl3(PPh3)2 · 0.5 C7H8 and ReO(OSiMe3)Cl2py2
  6. Crystal structure and bonding of bis-(1H-indole-3-ethylene-3′-methoxy-salicylaldimine)copper(II) monohydrate
  7. The superstructure of K3HGe7O16 · 4H2O
  8. The crystal structure of (Mg,Ga)8(Ga,Ge)2O12
  9. On the density of the p31m packing of ellipses
  10. Verfeinerung der Kristallstrukturen von Ta5As4 und monoklinem Nb4.7Te4
  11. Neutron diffraction analysis of positional oxygen and hydrogen disorder in Ba[Fe(CN)5NO] · 3H2O
  12. Crystal structure of hexacarbonyl tungsten, W(CO)6
  13. Crystal structure of indium antimony trisulfide, InSbS3
  14. Crystal structure of N-(2-hydroxyphenyl)-salicylaldiminato-ammine-nickel, NH3NiO(C6H4)CHN(C6H4)O
  15. Crystal structure of methylamin-(N,N′-1,3-propyldisalicylaldiminato)-Ni(II)-bis(N-methylsalicylaldiminato)-Ni(II), CH3NH2O(C6H4)CHNCH2CH2CH2NCH(C6H4)ONi2O(C6H4)CHNCH3O(C6H4)CHNCH3
  16. Crystal structure of N-(2-hydroxyphenyl)salicylaldiminato-diethylamine-nickel, (CH3CH2)2NHNiO(C6H4)NCH(C6H4)O
  17. Crystal structure of N-benzylsalicylaldimine, OH(C6H4)CHNCH2(C6H5)
  18. Crystal structure of benzhydrazide, NH2NHCO(C6H5)
  19. Crystal structure of triphenylphosphine(O-ethyldithiocarbonato)gold(I), (C6H5)3PAu(S2COC2H5)
  20. Crystal structure of (Z)-1-methoxycarbonyl-2-phenyl-1-phthalimidocyclopropane, C19H15NO4
  21. Crystal structure of meso-bis(1,4-dimethylpiperazine-2,5-dione-3-yl), C12H18N4O4
  22. Crystal structure of dichloro(N-methyl-2,2′-bipyridylium)platinum(II), C11H10Cl2N2Pt
  23. Crystal structure of [3′R*, IR*, 4S*, 6S*]-1-(3′-hydroxybut-1′-ynyl)-2,2,6-trimethylcyclohexane-1,4-diol, C13H22O3
  24. Crystal structure of methyl-2-phthalimido-3-methylbut-2-enoate, C14H13N1O4
  25. Crystal structure of chloro(η-cyclopentadienyl)bis(triphenylphosphine)ruthenium, C42H37Cl3P2Ru
  26. Crystal structure of 7H+,16H+-1,4,10,13-tetrathia-7,16-diazacyclooctadecane bis(tetraphenylboronate), (C12H28N2S4)((C6H5)4B)2
  27. Crystal structure of cobalt sulfanilate tetrahydrate, (Co(NH2C6H4SO3)2)(H2O)4
  28. Crystal structure of zinc sulfanilate tetrahydrate, (Zn(NH2C6H4SO3)2)(H2O)4
  29. Crystal structure of hexaaquamagnesium sulfanilate, (Mg(NH2C6H4SO3)2)(H2O)6
  30. Crystal structure of tetragadolinium hexanickel icosatresaluminium, Gd4Ni6Al23 with Y4Ni6Al23 type
  31. Crystal structure of europium dirhodium digermanium, EuRh2Ge2 with ThCr2Si2 type
  32. Crystal structure of ytterbium rhodium germanium, YbRhGe with TiNiSi type
https://doi.org/10.1524/zkri.1992.198.1-2.79

Articles in the same Issue

  1. Zur kristallchemischen Einordnung von NaSbCl6, NaNbCl6 und NaTaCl6
  2. The symmetry operations for n-dimensional periodic and quasi-periodic structures *
  3. Crystal growth, crystal structure, optical, electro-optic and electrostrictive properties of the complex silver thiocyanates Cs3Sr[Ag2(SCN)7] and Cs3Ba[Ag2(SCN)7]
  4. Beiträge zum thermischen Verhalten wasserfreier Phosphate
  5. Reaction of heptamethyldisilazane with oxo ligands. Crystal structure of Re(NMe)Cl3(PPh3)2 · 0.5 C7H8 and ReO(OSiMe3)Cl2py2
  6. Crystal structure and bonding of bis-(1H-indole-3-ethylene-3′-methoxy-salicylaldimine)copper(II) monohydrate
  7. The superstructure of K3HGe7O16 · 4H2O
  8. The crystal structure of (Mg,Ga)8(Ga,Ge)2O12
  9. On the density of the p31m packing of ellipses
  10. Verfeinerung der Kristallstrukturen von Ta5As4 und monoklinem Nb4.7Te4
  11. Neutron diffraction analysis of positional oxygen and hydrogen disorder in Ba[Fe(CN)5NO] · 3H2O
  12. Crystal structure of hexacarbonyl tungsten, W(CO)6
  13. Crystal structure of indium antimony trisulfide, InSbS3
  14. Crystal structure of N-(2-hydroxyphenyl)-salicylaldiminato-ammine-nickel, NH3NiO(C6H4)CHN(C6H4)O
  15. Crystal structure of methylamin-(N,N′-1,3-propyldisalicylaldiminato)-Ni(II)-bis(N-methylsalicylaldiminato)-Ni(II), CH3NH2O(C6H4)CHNCH2CH2CH2NCH(C6H4)ONi2O(C6H4)CHNCH3O(C6H4)CHNCH3
  16. Crystal structure of N-(2-hydroxyphenyl)salicylaldiminato-diethylamine-nickel, (CH3CH2)2NHNiO(C6H4)NCH(C6H4)O
  17. Crystal structure of N-benzylsalicylaldimine, OH(C6H4)CHNCH2(C6H5)
  18. Crystal structure of benzhydrazide, NH2NHCO(C6H5)
  19. Crystal structure of triphenylphosphine(O-ethyldithiocarbonato)gold(I), (C6H5)3PAu(S2COC2H5)
  20. Crystal structure of (Z)-1-methoxycarbonyl-2-phenyl-1-phthalimidocyclopropane, C19H15NO4
  21. Crystal structure of meso-bis(1,4-dimethylpiperazine-2,5-dione-3-yl), C12H18N4O4
  22. Crystal structure of dichloro(N-methyl-2,2′-bipyridylium)platinum(II), C11H10Cl2N2Pt
  23. Crystal structure of [3′R*, IR*, 4S*, 6S*]-1-(3′-hydroxybut-1′-ynyl)-2,2,6-trimethylcyclohexane-1,4-diol, C13H22O3
  24. Crystal structure of methyl-2-phthalimido-3-methylbut-2-enoate, C14H13N1O4
  25. Crystal structure of chloro(η-cyclopentadienyl)bis(triphenylphosphine)ruthenium, C42H37Cl3P2Ru
  26. Crystal structure of 7H+,16H+-1,4,10,13-tetrathia-7,16-diazacyclooctadecane bis(tetraphenylboronate), (C12H28N2S4)((C6H5)4B)2
  27. Crystal structure of cobalt sulfanilate tetrahydrate, (Co(NH2C6H4SO3)2)(H2O)4
  28. Crystal structure of zinc sulfanilate tetrahydrate, (Zn(NH2C6H4SO3)2)(H2O)4
  29. Crystal structure of hexaaquamagnesium sulfanilate, (Mg(NH2C6H4SO3)2)(H2O)6
  30. Crystal structure of tetragadolinium hexanickel icosatresaluminium, Gd4Ni6Al23 with Y4Ni6Al23 type
  31. Crystal structure of europium dirhodium digermanium, EuRh2Ge2 with ThCr2Si2 type
  32. Crystal structure of ytterbium rhodium germanium, YbRhGe with TiNiSi type
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