Structure 1539547

1539546 << 1539547 >> 1539549
Original COD entry Download CIF Download DOT

Citation: Szymanski, J.T.; Owens, D.R.; Chao, G.Y.; Roberts, A.C.; Ansell, H.G. (1982). A mineralogical study and cristal-structure determination of nonmetamicht ekanite, Th Ca2 Si8 O20. Canadian Mineralogist, 20, pp. 65-75.

Formula: Ca2 O20 Si8 Th

Chemical name: Th Ca2 (Si8 O20)

Cell parameters:

  • a = 7.483 Å
  • b = 7.483 Å
  • c = 14.893 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: O40 Si16 Th2 (O20 Si8 Th)

Multiplicity: 1

Coordination sequences:

  • 2, 6, 6, 25, 23, 71, 51, 135, 79, 210
  • 2, 6, 6, 26, 20, 68, 54, 144, 86, 222
  • 2, 10, 10, 30, 27, 76, 46, 139, 90, 222
  • 4, 4, 16, 15, 52, 39, 110, 72, 188, 113
  • 8, 8, 24, 24, 64, 36, 112, 76, 192, 136
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