s-net: sqc4326
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 22 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {9,4} |
| Vertex coordination sequence | [(9, 32, 69, 122, 189, 272, 369, 482, 609, 752), (4, 22, 68, 104, 200, 244, 388, 444, 640, 704)] |
| Wells’ vertex symbol | [3^4.4^18.5^10.6^4, 3^4.4^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 3, 1, 0, 0, 1, 3, 1, 1, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 0, 0, 1, 2, 4, -1, 0, 1, 2, 5, -1, -1, 1, 2, 6, -1, -1, 1, 2, 6, -1, 0, 1, 2, 6, 0, -1, 1, 2, 6, 0, 0, 1, 3, 4, -1, 0, 0, 3, 5, -1, -1, 0, 3, 6, -1, -1, 1, 3, 6, 0, -1, 1, 4, 6, 0, 0, 0, 5, 6, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.75311 | 3.91905 | 1.49729 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.125 | 0.21429 |
| 0.25 | 0.25 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.67411 | 3.99815 | 1.39801 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.09677 | 0.26741 |
| 0.25 | 0.25 | 0 |
Edge end points:
