Structure 9001577

9001576 << 9001577 >> 9001578
Original COD entry Download CIF Download DOT

Citation: Hazen, R. M.; Finger, L. W.; Ko, J. (1993). Effects of pressure on Mg-Fe ordering in orthopyroxene synthesized at 11.3 GPa and 1600 C. American Mineralogist, 78, pp. 1336-1339.

Formula: Fe0.44 Mg0.56 O3 Si

Cell parameters:

  • a = 18.312 Å
  • b = 8.917 Å
  • c = 5.217 Å
  • α = 90°
  • β = 90°
  • 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: Fe16 Mg16 O48 Si16 (Fe Mg O3 Si)

Multiplicity: 1

Coordination sequences:

  • 2, 6, 19, 45, 72, 130, 189, 220, 340, 390
  • 3, 12, 27, 65, 88, 131, 194, 274, 339, 421
  • 4, 10, 23, 48, 86, 123, 192, 240, 322, 390
  • 4, 11, 29, 54, 98, 152, 196, 281, 344, 462
  • 5, 10, 24, 59, 85, 140, 191, 261, 329, 412
  • 5, 12, 33, 50, 97, 139, 208, 267, 334, 413
  • 5, 13, 37, 63, 95, 147, 206, 273, 361, 437
  • 5, 14, 31, 64, 101, 141, 221, 272, 360, 433
  • 5, 21, 34, 59, 112, 159, 211, 269, 359, 435
  • 6, 17, 28, 61, 107, 155, 217, 269, 369, 430
  • 8, 14, 39, 72, 99, 161, 210, 291, 353, 447
  • 8, 18, 36, 64, 112, 161, 220, 289, 345, 462
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