s-net: sqc3569
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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 | 20 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {6,4} |
| Vertex coordination sequence | [(6, 19, 40, 74, 119, 167, 225, 299, 379, 465), (4, 12, 36, 63, 101, 161, 221, 281, 361, 457)] |
| Wells’ vertex symbol | [3.4^4.5^4.6^4.7^2, 3^2.4.5^2.6] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 0, 1, 0, 2, 4, -1, -1, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, -1, -1, 0, 3, 4, 0, -1, 0, 3, 5, 0, 0, 1, 3, 6, 0, 0, 1, 4, 7, 1, 1, -1, 4, 8, 1, 1, -1, 5, 6, 0, 0, 0, 5, 8, 0, 0, -1, 6, 7, 1, 0, -1, 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 |
|---|---|---|---|---|---|
| 4.67623 | 2.3362 | 2.20314 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.33333 | 0.25 | 0.375 |
| 0.25 | 0.16667 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.3117 | 2.35546 | 1.77231 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.125 | 0.25 | 0.50024 |
| 0.25 | 0.12512 | 0 |
Edge end points:
