Structure 9005950

9005949 << 9005950 >> 9005951
Original COD entry Download CIF Download DOT

Citation: Kunz, M.; Armbruster, T.; Lager, G. A.; Schultz, A. J.; Goyette, R. J.; Lottermoser, W.; Amthauer, G. (1991). Fe, Ti ordering and octahedral distortions in acentric neptunite: temperature dependent X-ray and neutron structure refinements and Mossbauer Spectroscopy Sample: T = 293 K. Physics and Chemistry of Minerals, 18, pp. 199-213.

Formula: Fe2 K Li Na2 O24 Si8 Ti2

Cell parameters:

  • a = 16.427 Å
  • b = 12.478 Å
  • c = 9.975 Å
  • α = 90°
  • β = 115.56°
  • γ = 90°

List type: noninterleaving

List: 3D

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Molecules

CIF datablock 0, entity 1 of 1

Basis: (1;0;0 0;1;0 0;0;1)

Dimensionality: 3

Formula: Fe8 O96 Si32 Ti8 (Fe O12 Si4 Ti)

Multiplicity: 1

Coordination sequences:

  • 2, 6, 7, 23, 24, 62, 54, 109, 100, 170
  • 2, 6, 7, 24, 24, 52, 40, 97, 86, 179
  • 2, 6, 7, 25, 26, 69, 54, 112, 100, 184
  • 2, 6, 7, 26, 27, 60, 43, 98, 89, 178
  • 2, 6, 8, 26, 24, 64, 54, 105, 103, 175
  • 2, 8, 11, 34, 26, 69, 56, 111, 105, 200
  • 2, 9, 14, 34, 29, 50, 47, 92, 116, 182
  • 2, 11, 17, 38, 31, 58, 63, 102, 130, 190
  • 3, 12, 12, 37, 25, 56, 44, 118, 109, 194
  • 3, 12, 12, 41, 38, 68, 67, 102, 107, 209
  • 3, 13, 15, 38, 33, 57, 62, 110, 128, 186
  • 3, 13, 15, 38, 33, 61, 59, 118, 125, 191
  • 4, 5, 16, 16, 51, 44, 90, 79, 156, 138
  • 4, 5, 17, 18, 42, 38, 80, 79, 145, 139
  • 4, 5, 19, 20, 45, 33, 63, 58, 149, 139
  • 4, 5, 19, 20, 52, 39, 90, 80, 155, 144
  • 6, 8, 28, 25, 54, 52, 84, 87, 163, 164
  • 7, 11, 27, 27, 40, 43, 81, 105, 154, 167
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