Structure 9004236

9004235 << 9004236 >> 9004237
Original COD entry Download CIF Download DOT

Citation: Sherriff, B. L.; Grundy, H. D.; Hartman, J. S.; Hawthorne, F. C.; Cerny, P. (1991). The incorporation of alkalis in beryl: multi-nuclear MAS NMR and crystal-structure study Sample: T-24. The Canadian Mineralogist, 29, pp. 271-285.

Formula: Al2 Be2.55 Cs0.15 Li0.46 Na0.28 O18 Si6

Cell parameters:

  • a = 9.228 Å
  • b = 9.228 Å
  • c = 9.240 Å
  • α = 90°
  • β = 90°
  • γ = 120°

List type: interleaving

List: 1-3D

Combined 3D structure and graph

span 1 {1 1 1}
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JSmol combined CIF view

Linear Graph Knot

Molecules

CIF datablock 0, entity 1 of 2

Basis: (1;0;0 0;1;0 0;0;1)

Dimensionality: 3

Formula: Al4 Be6 Li6 O36 Si12 (Al2 Be3 Li3 O18 Si6)

Multiplicity: 1

Coordination sequences:

  • 1, 4, 6, 20, 22, 54, 44, 112, 86, 210
  • 2, 6, 10, 34, 33, 85, 61, 137, 104, 241
  • 3, 11, 14, 38, 32, 80, 64, 158, 111, 252
  • 4, 6, 22, 23, 63, 48, 113, 86, 198, 135
  • 5, 6, 20, 22, 54, 44, 112, 86, 210, 142
  • 6, 9, 27, 23, 54, 48, 126, 86, 198, 141
span 1 {1 1 1}

CIF datablock 1, entity 2 of 2

Basis: (0;0;1)

Dimensionality: 1

Formula: Cs2 Li2 Na2 (Cs Li Na)

Multiplicity: 1

span 1 {1 1 1}