Structure 9000246

9000245 << 9000246 >> 9000247
Original COD entry Download CIF Download DOT

Citation: Chao G Y (1971). The refinement of the crystal structure of apophyllite II. Determination of the hydrogen positions by X-ray diffraction Note: O1-B23 changed to match symmetry constraints. American Mineralogist, 56, pp. 1234-1242.

Formula: Ca4 F H16 K O28 Si8

Cell parameters:

  • a = 8.965 Å
  • b = 8.965 Å
  • c = 15.767 Å
  • α = 90°
  • β = 90°
  • γ = 90°

List type: interleaving

List: 2D

Combined 3D structure and graph

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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)

Dimensionality: 2

Formula: O20 Si8 (O5 Si2)

Multiplicity: 1

Coordination sequences:

  • 1, 3, 3, 9, 5, 14, 8, 23, 11, 29
  • 2, 6, 4, 11, 6, 18, 10, 27, 12, 30
  • 2, 6, 4, 12, 6, 16, 10, 28, 12, 32
  • 4, 3, 9, 5, 14, 8, 23, 11, 29, 13
span 1 {1 1 1}

CIF datablock 1, entity 2 of 2

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

Dimensionality: 2

Formula: O20 Si8 (O5 Si2)

Multiplicity: 1

Coordination sequences:

  • 1, 3, 3, 9, 5, 14, 8, 23, 11, 29
  • 2, 6, 4, 11, 6, 18, 10, 27, 12, 30
  • 2, 6, 4, 12, 6, 16, 10, 28, 12, 32
  • 4, 3, 9, 5, 14, 8, 23, 11, 29, 13
span 1 {1 1 1}