s-net: sqc1523
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Barycentric geometry maximising unit cell volume
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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 | 15 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {3,4,5} |
| Vertex coordination sequence | [(3, 11, 23, 47, 74, 113, 153, 211, 267, 336), (4, 10, 22, 50, 80, 122, 162, 212, 276, 354), (5, 12, 28, 48, 76, 114, 166, 218, 277, 334)] |
| Wells’ vertex symbol | [5^2.6, 5^4.8^2, 5^2.6^4.8^2.9^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 3, 6, 0, 0, 0, 4, 7, 0, 0, 0, 4, 7, 0, 1, 0, 4, 8, 0, 0, 0, 4, 8, 1, 0, 0, 5, 6, 0, -1, 0, 5, 6, 1, 0, 0, 5, 8, 0, 0, 1, 6, 7, -1, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.27836 | 7.20176 | 3.22131 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.15 | 0.25 |
| 0.25 | 0.25 | 0.25 |
| 0 | 0.4 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.00007 | 7.37067 | 3.18133 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.11433 | 0.25 |
| 0.25 | 0.25 | 0.25 |
| 0 | 0.56784 | 0 |
Edge end points:
