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Crystal structures of chromium(III) fluoride trihydrate and chromium(III) fluoride pentahydrate. Structural chemistry of hydrated transition metal fluorides. Thermal decomposition of chromium(III) fluoride nonahydrate

Published/Copyright: August 25, 2010
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Zeitschrift für Kristallographie - Crystalline Materials
From the journal Zeitschrift für Kristallographie - Crystalline Materials Volume 171 Issue 3-4

Abstract

The crystal structures of the green compounds CrF3 · 3H2O and CrF3 · 5H2O have been determined. The first is rhombohedral [aR = 5.668(4) Å, αR = 112.5(1)°, space group R[unk]m, Z = 1] and the second orthorhombic [a = 10.396(5), b = 8.060(5), c = 7.965(4) Å, space group Pbcn, Z = 4]. Both compounds contain the same octahedral molecules Cr[F3(H2O)3], but the nature of the isomers present could not be determined because of crystal disorder. There is extensive hydrogen bonding in both types of crystal. It has been found that violet Cr[H2O]6F3 · 3H2O decomposes thermally to green Cr[F3(H2O)3] in three stages, with violet Cr[H2O]6F3 identified as the product formed in the first stage.

Published Online: 2010-8-25
Published in Print: 1985-2-1

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Articles in the same Issue

  1. Crystal and molecular structure of p-methoxy phenyl, p′-methoxy phenyl, 1:1 dichloromethane
  2. The crystal structure of p-nitrobenzyl ester of (+)-1,5-nitronaphthylsulfinylacetic acid
  3. Crystal and molecular structure of tris(ethylenediamine) cadmium(II) iodide, (NH2CH2CH2NH2)3CdI2
  4. The crystal structure of jaskolskiite, Cux Pb2+x (Sb, Bi)2−x S5 (x ≈ 0.2), a member of the meneghinite homologous series
  5. Crystal and molecular structure of 2-hydroxy, 4-amine, w – w′, dichloroacetophenone
  6. Structure of diaquabisglycinecobalt(II) bromide
  7. Crystal structures of chromium(III) fluoride trihydrate and chromium(III) fluoride pentahydrate. Structural chemistry of hydrated transition metal fluorides. Thermal decomposition of chromium(III) fluoride nonahydrate
  8. Crystal and molecular structure of 2-mercaptobenzothiozole – A redetermination
  9. Crystal and molecular structure of the complex N-(8-quinolyl) pyridine-2-carbaldimine, 8-aminoquinoline monohydrate, nickel(II)-di-perchlorate. [Ni(C9H8N2)(C15H11N3)(H2O)]2+[(CIO4)2]2−
  10. Crystal and molecular structure of mesitil
  11. High-pressure synthesis and structural refinement of CdGeO3 ilmenite
  12. UMWEG – A computer program for calculation and graphical representation of Umweganregung-patterns
  13. The crystal structure of manganese (II) L-tartrate tetrahydrate MnC4H4O6 · 4H2O
  14. The crystal structure of antimony selenide, Sb2Se3
  15. Elastic and thermoelastic properties of triclinic sodium hydrogen Oxalate hydrate, NaHC2O4 · H2O
  16. Single crystal X-ray investigation of norsethite, BaMg(CO3)2: one more mineral with an aplanar carbonate group
  17. Rietveld refinement of the crystal structure of the new zeolite mineral gobbinsite
  18. The crystal structure of forsterite Mg2SiO4 under high pressure up to 149 kb
  19. The crystal structure of trans-nonachlor, [1-exo, 2-endo, 3-exo-4,5,6,7,8,8-nonachloro-3a,4,7,7a-tetrahydro-4,7-methanoindane]
  20. Crystal structure of cis{[o-(dimethylaminomethyl)phenyl-C,N]-[o-(diphenylphosphinomethyl)phenyl-C,P]-palladium(II)}
https://doi.org/10.1524/zkri.1985.171.3-4.209

Articles in the same Issue

  1. Crystal and molecular structure of p-methoxy phenyl, p′-methoxy phenyl, 1:1 dichloromethane
  2. The crystal structure of p-nitrobenzyl ester of (+)-1,5-nitronaphthylsulfinylacetic acid
  3. Crystal and molecular structure of tris(ethylenediamine) cadmium(II) iodide, (NH2CH2CH2NH2)3CdI2
  4. The crystal structure of jaskolskiite, Cux Pb2+x (Sb, Bi)2−x S5 (x ≈ 0.2), a member of the meneghinite homologous series
  5. Crystal and molecular structure of 2-hydroxy, 4-amine, w – w′, dichloroacetophenone
  6. Structure of diaquabisglycinecobalt(II) bromide
  7. Crystal structures of chromium(III) fluoride trihydrate and chromium(III) fluoride pentahydrate. Structural chemistry of hydrated transition metal fluorides. Thermal decomposition of chromium(III) fluoride nonahydrate
  8. Crystal and molecular structure of 2-mercaptobenzothiozole – A redetermination
  9. Crystal and molecular structure of the complex N-(8-quinolyl) pyridine-2-carbaldimine, 8-aminoquinoline monohydrate, nickel(II)-di-perchlorate. [Ni(C9H8N2)(C15H11N3)(H2O)]2+[(CIO4)2]2−
  10. Crystal and molecular structure of mesitil
  11. High-pressure synthesis and structural refinement of CdGeO3 ilmenite
  12. UMWEG – A computer program for calculation and graphical representation of Umweganregung-patterns
  13. The crystal structure of manganese (II) L-tartrate tetrahydrate MnC4H4O6 · 4H2O
  14. The crystal structure of antimony selenide, Sb2Se3
  15. Elastic and thermoelastic properties of triclinic sodium hydrogen Oxalate hydrate, NaHC2O4 · H2O
  16. Single crystal X-ray investigation of norsethite, BaMg(CO3)2: one more mineral with an aplanar carbonate group
  17. Rietveld refinement of the crystal structure of the new zeolite mineral gobbinsite
  18. The crystal structure of forsterite Mg2SiO4 under high pressure up to 149 kb
  19. The crystal structure of trans-nonachlor, [1-exo, 2-endo, 3-exo-4,5,6,7,8,8-nonachloro-3a,4,7,7a-tetrahydro-4,7-methanoindane]
  20. Crystal structure of cis{[o-(dimethylaminomethyl)phenyl-C,N]-[o-(diphenylphosphinomethyl)phenyl-C,P]-palladium(II)}
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