Structure 9001270

9001269 << 9001270 >> 9001271
Original COD entry Download CIF Download DOT

Citation: Post, J. E.; Veblen, D. R. (1990). Crystal structure determinations of synthetic sodium, magnesium and potassium birnessite using TEM and the Rietveld method sample is Na-birn. American Mineralogist, 75, pp. 477-489.

Formula: H3.7 Mn Na0.29 O2.75

Cell parameters:

  • a = 5.174 Å
  • b = 2.850 Å
  • c = 7.336 Å
  • α = 90°
  • β = 103.18°
  • γ = 90°

List type: interleaving

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 2

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

Dimensionality: 2

Formula: Na4 O6 (Na2 O3)

Multiplicity: 1

span 1 {1 1 1}

CIF datablock 1, entity 2 of 2

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

Dimensionality: 2

Formula: Mn2 O4 (Mn O2)

Multiplicity: 1

Coordination sequences:

  • 3, 21, 39, 57, 75, 93, 111, 129, 147, 165
  • 12, 30, 48, 66, 84, 102, 120, 138, 156, 174
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