Structure 9003425

9003424 << 9003425 >> 9003426
Original COD entry Download CIF Download DOT

Citation: Thompson, R. M.; Downs, R. T. (2004). Model pyroxenes II: Structural variation as a function of tetrahedral rotation model orthopx with O3A-O3A-O3A angle = 180, O3B-O3B-O3B angle = 120, and model oxygen radius = 1 Note: Atoms Mg, Si, and O are assigned to atomic positions for convenience. American Mineralogist, 89, pp. 614-628.

Formula: Mg O3 Si

Cell parameters:

  • a = 14.580 Å
  • b = 6.928 Å
  • c = 4 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: Mg16 O48 Si16 (Mg O3 Si)

Multiplicity: 1

Coordination sequences:

  • 3, 18, 45, 108, 174, 257, 353, 464, 603, 767
  • 3, 22, 52, 107, 176, 255, 355, 471, 617, 768
  • 3, 22, 62, 99, 159, 231, 362, 482, 603, 723
  • 3, 24, 57, 102, 160, 237, 359, 477, 602, 724
  • 4, 24, 50, 98, 147, 233, 337, 456, 577, 701
  • 4, 26, 54, 115, 195, 275, 363, 484, 636, 806
  • 6, 15, 58, 122, 193, 277, 367, 470, 636, 823
  • 10, 34, 72, 117, 171, 272, 399, 517, 624, 765
  • 11, 34, 73, 116, 194, 282, 389, 517, 646, 762
  • 13, 35, 69, 122, 191, 283, 386, 516, 642, 771
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