Structure 1000504

1000503 << 1000504 >> 1000505
Original COD entry Download CIF Download DOT

Citation: Maisonneuve, V; Leblanc, M (1998). The crystal structure of Na2 Mg Gd2 (Si4 O12) F2 and its relationship with leucophanite. Canadian Mineralogist, 36, pp. 1039-1043.

Formula: F2 Gd2 Mg Na2 O12 Si4

Chemical name: Disodium magnesium digadolinium catena-tetrasilicate difluoride

Cell parameters:

  • a = 5.178(3) Å
  • b = 7.510(2) Å
  • c = 14.381(4) Å
  • α = 90°
  • β = 90.22(2)°
  • 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 Gd4 Mg2 O24 Si8 (F2 Gd2 Mg O12 Si4)

Multiplicity: 1

Coordination sequences:

  • 2, 7, 13, 34, 52, 99, 124, 174, 241, 317
  • 2, 7, 15, 48, 64, 95, 143, 210, 268, 356
  • 2, 12, 23, 38, 65, 111, 150, 221, 248, 315
  • 3, 14, 18, 44, 59, 106, 149, 209, 253, 312
  • 3, 15, 20, 45, 67, 107, 158, 219, 243, 339
  • 3, 16, 19, 46, 66, 114, 169, 210, 256, 331
  • 3, 18, 29, 49, 68, 107, 181, 230, 273, 320
  • 4, 6, 29, 37, 74, 106, 150, 210, 290, 322
  • 5, 11, 26, 44, 80, 109, 164, 208, 284, 334
  • 6, 8, 32, 46, 64, 102, 168, 210, 280, 322
  • 9, 16, 32, 48, 81, 138, 186, 220, 267, 349
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