Structure 9000893

9000892 << 9000893 >> 9000894
Original COD entry Download CIF Download DOT

Citation: Cameron, M.; Sueno, S.; Papike, J. J.; Prewitt, C. T. (1983). High temperature crystal chemistry of K and Na fluor-richterites Na, 24 deg C. American Mineralogist, 68, pp. 924-943.

Formula: Ca2 F2 K4 Mg5 Na2 O22 Si8

Cell parameters:

  • a = 9.938 Å
  • b = 17.952 Å
  • c = 5.258 Å
  • α = 90°
  • β = 106.62°
  • γ = 90°

List type: noninterleaving

List: 3D

Combined 3D structure and graph

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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: F4 Mg10 O44 Si16 (F2 Mg5 O22 Si8)

Multiplicity: 1

Coordination sequences:

  • 2, 6, 7, 21, 21, 48, 37, 106, 81, 179
  • 2, 6, 7, 22, 23, 59, 44, 105, 83, 186
  • 2, 6, 8, 23, 23, 61, 45, 103, 83, 194
  • 2, 6, 9, 31, 30, 74, 57, 123, 86, 195
  • 3, 11, 13, 35, 30, 73, 55, 130, 96, 211
  • 3, 12, 13, 33, 25, 56, 45, 114, 87, 210
  • 3, 12, 17, 41, 27, 64, 51, 130, 101, 226
  • 4, 5, 16, 16, 40, 30, 78, 63, 155, 113
  • 4, 5, 16, 18, 51, 40, 93, 71, 159, 113
  • 4, 6, 22, 21, 56, 47, 102, 72, 164, 113
  • 6, 8, 24, 20, 44, 32, 76, 62, 168, 124
  • 6, 9, 26, 22, 50, 38, 98, 76, 176, 124
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