Structure 1539823

1539822 << 1539823 >> 1539824
Original COD entry Download CIF Download DOT

Citation: Evdokimova, O.A.; Belokoneva, E.L.; Urusov, V.S. (1989). Determination of the location of impurities in emerald from the data on precision refinement and analysis of the distribution of deformation electron density. Doklady Akademii Nauk SSSR, 306, pp. 95-99.

Formula: Al1.71 Be2.92 Cr0.02 Fe0.02 H1.7 K0.01 Li0.05 Mg0.29 Na0.27 O18.85 Si6

Chemical name: Na.27 K.01 Li.05 Be2.92 Mg.29 Cr.02 Fe.02 Al1.71 (Si6 O18) (H2 O).85

Cell parameters:

  • a = 9.246 Å
  • b = 9.246 Å
  • c = 9.22 Å
  • α = 90°
  • β = 90°
  • γ = 120°

List type: interleaving

List: 1-3D

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 2

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

Dimensionality: 3

Formula: Al4 Be6 Cr4 Fe4 Li6 Mg10 O36 Si12 (Al2 Be3 Cr2 Fe2 Li3 Mg5 O18 Si6)

Multiplicity: 1

span 1 {1 1 1}

CIF datablock 1, entity 2 of 2

Basis: (0;0;1)

Dimensionality: 1

Formula: K2 Mg2 Na2 O2 (K Mg Na O)

Multiplicity: 1

span 1 {1 1 1}