s-net: sqc4264
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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 | 22 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {3,8} |
| Vertex coordination sequence | [(3, 13, 49, 96, 176, 268, 378, 508, 670, 828), (8, 33, 76, 139, 224, 326, 446, 591, 752, 929)] |
| Wells’ vertex symbol | [4^3, 4^13.5^10.6^5] |
| 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, 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) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.01623 | 1.93036 | 1.67261 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.125 | 0 |
| 0.33333 | 0.25 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.4695 | 1.46527 | 1.36176 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.15936 | 0 |
| 0.35576 | 0.25 | 0.25014 |
Edge end points:
