Structure 9002668

9002667 << 9002668 >> 9002669
Original COD entry Download CIF Download DOT

Citation: Mancini, F.; Harlow, G. E.; Cahill, C. L. (2002). The crystal structure and cation ordering of phase-X - (K1-x-n)2(Mg1-n[Al,Cr]n)2Si2O7H2x: A potential K- and H-bearing phase in the mantle. American Mineralogist, 87, pp. 302-306.

Formula: Al0.06 Cr0.02 K6 Mg1.84 O7 Si2

Cell parameters:

  • a = 5.028 Å
  • b = 5.028 Å
  • c = 13.216 Å
  • α = 90°
  • β = 90°
  • γ = 120°

List type: interleaving

List: 2-3D

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 3

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

Dimensionality: 3

Formula: Al4 Cr4 Mg4 O14 Si4 (Al2 Cr2 Mg2 O7 Si2)

Multiplicity: 1

span 1 {1 1 1}

CIF datablock 1, entity 2 of 3

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

Dimensionality: 2

Formula: K6 (K)

Multiplicity: 1

Coordination sequences:

  • 7, 14, 26, 33, 43, 52, 60, 71, 77, 90
span 1 {1 1 1}

CIF datablock 2, entity 3 of 3

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

Dimensionality: 2

Formula: K6 (K)

Multiplicity: 1

Coordination sequences:

  • 7, 14, 26, 33, 43, 52, 60, 71, 77, 90
span 1 {1 1 1}