Structure 9003419

9003418 << 9003419 >> 9003420
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Citation: Thompson, R. M.; Downs, R. T. (2004). Model pyroxenes II: Structural variation as a function of tetrahedral rotation model low clinopx, closest-packed, ABABCACABCBC, with O3A-O3A-O3A angle = 240, O3B-O3B-O3B angle = 120, and model oxygen radius = 1. American Mineralogist, 89, pp. 614-628.

Formula: Mg O3 Si

Cell parameters:

  • a = 6.928 Å
  • b = 6 Å
  • c = 3.464 Å
  • α = 90°
  • β = 109.47°
  • 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:

  • 3, 30, 105, 233, 425, 664, 966, 1340, 1730, 2185
  • 3, 30, 108, 238, 435, 679, 978, 1346, 1743, 2194
  • 3, 32, 108, 240, 427, 679, 989, 1332, 1742, 2210
  • 4, 35, 119, 257, 443, 699, 1010, 1378, 1778, 2234
  • 4, 38, 120, 249, 445, 711, 1015, 1359, 1778, 2247
  • 4, 39, 115, 254, 457, 702, 1015, 1381, 1771, 2231
  • 16, 70, 179, 353, 570, 852, 1193, 1563, 2003, 2503
  • 16, 71, 182, 351, 569, 842, 1189, 1566, 1993, 2499
  • 16, 75, 191, 348, 580, 866, 1187, 1573, 2026, 2495
  • 17, 73, 175, 343, 570, 857, 1182, 1566, 1995, 2498
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