s-net: sqc2271
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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 | {4,7,3} |
| Vertex coordination sequence | [(4, 18, 44, 82, 130, 200, 260, 352, 452, 550), (7, 16, 44, 76, 129, 190, 265, 348, 442, 554), (3, 12, 26, 63, 104, 161, 229, 316, 401, 501)] |
| Wells’ vertex symbol | [5^4.7.8, 4^4.5^4.6^7.7^6, 4^2.5] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 1, 4, 1, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 5, -1, 1, 1, 2, 6, 0, 0, 1, 2, 7, 0, 0, 0, 2, 7, 0, 1, 0, 2, 8, 0, 0, 0, 2, 8, 1, 0, 0, 3, 7, 0, 0, 0, 4, 8, 0, 0, 0, 5, 6, 0, -1, 0, 5, 6, 1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.96551 | 2.43621 | 2.81316 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0.25 |
| 0.41667 | 0 | 0 |
| 0.04167 | 0.25 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.00427 | 2.00059 | 3.46292 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0.25 |
| 0.37511 | 0 | 0 |
| 0.12485 | 0.25 | 0.25 |
Edge end points:
