Structure Type 075: Bi2Sr2Ca3Cu4O12+x (BSCCO2234)
(Cu blue, Bi purplish, O red, Sr green, Ca yellow; this figure shows 2x2 unit cells
of the TBCCO2234 structure, which is, apart from a small distortion, isostructural)
Crystal Structure Data
Spacegroup Symbol: |
I 4/m m m |
Origin Offset: |
(none) |
Lattice Type: |
I |
Unit Cell Parameters |
|||||
a [A] |
b [A] |
c [A] |
alpha [deg] |
beta [deg] |
gamma [deg] |
3.8503 |
3.8503 |
42.2600 |
90.000 |
90.000 |
90.000 |
Fractional Coordinates of Atoms in the Asymmetric Unit |
||||
Site Label |
Element |
x |
y |
z |
Bi |
Bi |
0.5000 |
0.5000 |
0.2240 |
Ca |
Ca |
0.0000 |
0.0000 |
0.0760 |
Ca |
Ca |
0.0000 |
0.0000 |
0.0000 |
Cu |
Cu |
0.5000 |
0.5000 |
0.1140 |
Cu |
Cu |
0.5000 |
0.5000 |
0.0380 |
O |
O |
0.5000 |
0.5000 |
0.1360 |
O |
O |
0.5000 |
0.0000 |
0.0380 |
O |
O |
0.5000 |
0.0000 |
0.1140 |
O |
O |
0.5000 |
0.5000 |
0.2680 |
Sr |
Sr |
0.0000 |
0.0000 |
0.1380 |
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