Structure 9003436

9003435 << 9003436 >> 9003437
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Citation: Thompson, R. M.; Downs, R. T. (2004). Model pyroxenes II: Structural variation as a function of tetrahedral rotation model hi-P protopx at 2.50 GPa after Yang et al. (1999) with O3A-O3A-O3A angle = 154.0, O3B-O3B-O3B angle = 212.1, and model oxygen radius = 1.315 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 = 9.127 Å
  • b = 8.877 Å
  • c = 5.125 Å
  • α = 90°
  • β = 90°
  • γ = 90°

List type: noninterleaving

List: 3D

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Linear Graph Knot

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, 6, 11, 32, 46, 85, 102, 165, 203, 273
  • 2, 8, 14, 37, 61, 85, 130, 163, 234, 259
  • 3, 10, 16, 46, 54, 100, 130, 179, 230, 285
  • 3, 10, 18, 44, 56, 101, 129, 180, 237, 286
  • 3, 11, 18, 41, 66, 100, 133, 174, 235, 282
  • 4, 7, 21, 32, 66, 82, 136, 165, 236, 279
  • 4, 13, 18, 43, 57, 103, 131, 186, 226, 290
  • 5, 8, 24, 43, 66, 105, 132, 191, 229, 313
  • 5, 9, 23, 40, 68, 92, 142, 184, 236, 296
  • 5, 10, 27, 34, 74, 95, 145, 179, 232, 317
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