s-net: sqc3822
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 12 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (4,6) |
| Vertex degrees | {4,3,3,3} |
| Vertex coordination sequence | [(4, 5, 10, 16, 25, 36, 52, 73, 86, 89), (3, 5, 9, 14, 26, 33, 52, 71, 81, 94), (3, 8, 11, 14, 23, 40, 57, 66, 81, 106), (3, 6, 10, 15, 22, 43, 56, 58, 77, 114)] |
| Wells’ vertex symbol | [3^2.4.6.7^2, 3.8^2, 6.14^2, 8.14^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, 0, 0, 0, 2, 4, 0, 0, 0, 2, 6, 0, 0, 0, 3, 7, 0, 0, 0, 4, 8, 0, 0, 0, 5, 6, 1, 0, 0, 5, 9, 0, 0, 0, 6, 10, 0, 0, 0, 7, 8, 0, 1, 0, 7, 11, 0, 0, 0, 8, 12, 0, 0, 0, 9, 10, 0, 0, 0, 9, 11, 0, 0, 1, 9, 12, 0, 0, 1, 10, 11, 0, 0, 1, 10, 12, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.41193 | 4.41201 | 4.18417 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.3 | 0 | 0.44444 |
| 0.2 | 0.1 | 0.5 |
| 0.5 | 0 | 0.22222 |
| 0 | 0.3 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.93272 | 3.6893 | 3.48012 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.32899 | 0 | 0.35633 |
| 0.17572 | 0.16854 | 0.5 |
| 0.5 | 0 | 0.14367 |
| 0 | 0.36447 | 0.5 |
Edge end points:
