Structure 9003433

9003432 << 9003433 >> 9003434
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Citation: Thompson, R. M.; Downs, R. T. (2004). Model pyroxenes II: Structural variation as a function of tetrahedral rotation model protopyroxene after Yang et al. (1999) with O3-O3-O3 angle = 166.2 and model oxygen radius = 1.312 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 = 9.199 Å
  • b = 9.026 Å
  • c = 5.211 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: Mg8 O24 Si8 (Mg O3 Si)

Multiplicity: 1

Coordination sequences:

  • 2, 5, 18, 20, 46, 50, 104, 95, 192, 167
  • 2, 6, 9, 26, 38, 77, 68, 144, 133, 239
  • 2, 8, 15, 34, 35, 82, 86, 160, 130, 252
  • 4, 6, 18, 26, 58, 58, 119, 107, 208, 171
  • 4, 12, 15, 36, 41, 89, 83, 166, 146, 252
  • 6, 11, 24, 26, 66, 68, 132, 113, 210, 183
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