s-net: sqc5023
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 8 |
| Edges per primitive translational unit | 24 |
| Transitivity (vertex,edge) | (2,7) |
| Vertex degrees | {8,4} |
| Vertex coordination sequence | [(8, 33, 76, 139, 224, 326, 446, 591, 752, 929), (4, 14, 48, 95, 176, 268, 378, 508, 670, 828)] |
| Wells’ vertex symbol | [3.4^12.5^10.6^5, 3^2.4^3.5] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 1, 2, 1, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 4, 0, 0, 1, 2, 6, -2, -1, -1, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 5, 0, 0, 0, 3, 6, -1, 0, 0, 3, 8, 0, 0, 0, 4, 6, -2, -1, -1, 4, 6, -2, 0, -1, 4, 6, -1, -1, -1, 4, 6, -1, 0, -1, 4, 7, -1, 0, -1, 4, 8, -1, 0, -1, 5, 6, -1, 0, 0, 5, 7, 0, 1, 0, 7, 8, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.32357 | 2.0127 | 1.77458 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.33333 | 0.25 | 0.25 |
| 0.25 | 0.16667 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.6626 | 0.95844 | 1.83291 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.3585 | 0.25 | 0.26983 |
| 0.25 | 0.08532 | 0 |
Edge end points:
