Structure 9003414

9003413 << 9003414 >> 9003415
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Citation: Thompson, R. M.; Downs, R. T. (2004). Model pyroxenes II: Structural variation as a function of tetrahedral rotation model calcium nickel px after Ghose et al. (1987) with O3-O3-O3 angle = 165.2 and model oxygen radius = 1.316. American Mineralogist, 89, pp. 614-628.

Formula: Ca Ni O6 Si2

Cell parameters:

  • a = 9.724 Å
  • b = 9.043 Å
  • c = 5.221 Å
  • α = 90°
  • β = 108.5°
  • 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: Ni4 O24 Si8 (Ni O6 Si2)

Multiplicity: 1

Coordination sequences:

  • 2, 6, 7, 32, 50, 92, 115, 169, 219, 273
  • 2, 10, 19, 45, 61, 106, 142, 190, 250, 304
  • 3, 14, 20, 47, 66, 106, 132, 202, 239, 286
  • 4, 5, 22, 35, 75, 97, 149, 189, 247, 313
  • 8, 16, 34, 48, 82, 106, 162, 204, 246, 302
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