s-net: sqc2275
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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 | 17 |
| Transitivity (vertex,edge) | (3,5) |
| Vertex degrees | {3,3,8} |
| Vertex coordination sequence | [(3, 13, 31, 64, 110, 168, 228, 306, 396, 488), (3, 16, 42, 77, 126, 185, 248, 329, 422, 517), (8, 20, 44, 82, 132, 184, 254, 336, 420, 522)] |
| Wells’ vertex symbol | [4^3, 5^2.6, 4^6.5^4.6^10.8^7.9] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 5, 1, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 1, 8, 0, 0, 0, 2, 5, 0, 1, 0, 2, 8, -1, 1, 0, 3, 5, 0, 1, 0, 3, 7, 0, 1, 0, 4, 5, 0, 0, 1, 4, 6, 0, -1, 1, 5, 6, -1, 0, 1, 5, 7, -1, 1, 0, 5, 8, -1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.83409 | 3.10384 | 4.90942 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.125 | 0 | 0.25 |
| 0 | 0.375 | 0 |
| 0 | 0.25 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.00323 | 3.56762 | 3.56185 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.12015 | 0 | 0.13155 |
| 0 | 0.36141 | 0 |
| 0 | 0.25 | 0.25 |
Edge end points:
