Structure 9001992

9001990 << 9001992 >> 9001993
Original COD entry Download CIF Download DOT

Citation: Armbruster, T. (1999). Si,Al ordering in the double-ring silicate armenite, BaCa2Al6Si9O30.2H2O: A single-crystal X-ray and 29Si MAS NMR study. American Mineralogist, 84, pp. 92-101.

Formula: Al6 Ba Ca2 H4 O32.11 Si9

Cell parameters:

  • a = 18.660 Å
  • b = 10.697 Å
  • c = 13.874 Å
  • α = 90°
  • β = 90°
  • γ = 90°

List type: noninterleaving

List: 3D

Combined 3D structure and graph

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JSmol combined CIF view

Linear Graph Knot

Molecules

CIF datablock 0, entity 1 of 1

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

Dimensionality: 3

Formula: Al24 O120 Si36 (Al2 O10 Si3)

Multiplicity: 1

Coordination sequences:

  • 2, 6, 6, 16, 14, 39, 30, 79, 56, 134
  • 2, 6, 6, 17, 14, 38, 30, 81, 55, 136
  • 2, 6, 6, 18, 16, 43, 28, 70, 47, 115
  • 4, 4, 12, 10, 28, 22, 60, 43, 108, 69
  • 4, 4, 12, 12, 36, 22, 52, 36, 88, 58
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