Structure 2311785

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Original COD entry Download CIF Download DOT

Citation: Fulle, Kyle; Sanjeewa, Liurukara D.; McMillen, Colin D.; Kolis, Joseph W. (2017). Crystal chemistry and the role of ionic radius in rare earth tetrasilicates: Ba2RE2Si4O12F2 (RE = Er3+-Lu3+) and Ba2RE2Si4O13 (RE = La3+-Ho3+).. Acta crystallographica Section B, Structural science, crystal engineering and materials, 73, pp. 907-915.

Formula: Ba2 F2 O12 Si4 Tm2

Cell parameters:

  • a = 5.4609(4) Å
  • b = 7.1258(5) Å
  • c = 8.9379(7) Å
  • α = 107.809(2)°
  • β = 101.987(2)°
  • γ = 92.866(2)°

List type: noninterleaving

List: 2D

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 1

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

Dimensionality: 2

Formula: F2 O12 Si4 Tm2 (F O6 Si2 Tm)

Multiplicity: 1

Coordination sequences:

  • 1, 6, 9, 17, 14, 27, 23, 53, 37, 51
  • 2, 6, 6, 21, 14, 39, 20, 46, 26, 75
  • 2, 6, 7, 30, 24, 38, 24, 46, 37, 78
  • 2, 9, 10, 22, 19, 40, 29, 52, 39, 63
  • 2, 9, 11, 22, 19, 41, 28, 53, 38, 61
  • 2, 9, 12, 24, 16, 39, 30, 55, 37, 63
  • 3, 12, 9, 24, 16, 40, 29, 60, 32, 61
  • 4, 4, 17, 17, 36, 24, 40, 30, 61, 46
  • 4, 5, 20, 14, 34, 25, 41, 30, 66, 41
  • 7, 9, 17, 14, 27, 23, 53, 37, 51, 36
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