Structure 9001995

9001994 << 9001995 >> 9001996
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Citation: Oberti, R.; Hawthorne, F. C.; Camara, F.; Raudsepp, M. (1999). Unusual M3+ cations in synthetic amphiboles with nominal fluoro-eckermannite composition: Deviations from stoichiometry and structural effects of the cummingtonite component Sample: Ti, Na.85Na1.02Mg.98Mg4.83Ti.17Si8O22F2. American Mineralogist, 84, pp. 102-111.

Formula: F2 Mg5.92 Na1.83 O22 Si8 Ti0.18

Cell parameters:

  • a = 9.691 Å
  • b = 17.930 Å
  • c = 5.284 Å
  • α = 90°
  • β = 102.98°
  • γ = 90°

List type: noninterleaving

List: 3D

Combined 3D structure and graph

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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: F4 Mg10 O44 Si16 Ti4 (F2 Mg5 O22 Si8 Ti2)

Multiplicity: 1

Coordination sequences:

  • 2, 6, 9, 27, 29, 62, 55, 126, 103, 201
  • 2, 6, 10, 25, 30, 69, 55, 113, 101, 202
  • 2, 6, 10, 27, 29, 69, 56, 117, 101, 198
  • 3, 8, 13, 35, 34, 75, 64, 124, 111, 215
  • 3, 12, 21, 41, 33, 72, 67, 140, 113, 232
  • 4, 6, 19, 21, 50, 44, 95, 84, 174, 133
  • 4, 7, 18, 22, 55, 48, 95, 81, 168, 147
  • 4, 12, 15, 36, 37, 76, 64, 136, 114, 217
  • 4, 16, 16, 39, 36, 72, 65, 135, 115, 225
  • 5, 8, 23, 28, 53, 55, 98, 94, 174, 140
  • 6, 10, 30, 26, 52, 48, 96, 86, 188, 148
  • 6, 11, 26, 26, 54, 50, 106, 88, 184, 144
  • 7, 9, 26, 25, 57, 50, 102, 94, 176, 138
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