s-net: sqc1552
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 15 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {8,3,4} |
| Vertex coordination sequence | [(8, 20, 48, 78, 128, 180, 246, 320, 408, 498), (3, 16, 38, 77, 120, 177, 240, 317, 400, 497), (4, 20, 38, 82, 118, 182, 238, 322, 398, 502)] |
| Wells’ vertex symbol | [3^4.4^4.5^8.6^7.7^4.9, 5^2.6, 3^2.4^2.5^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 1, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 5, 1, 0, 0, 1, 6, 0, 0, 0, 2, 3, 0, 0, 1, 2, 6, -1, 0, 1, 3, 4, -1, 0, 0, 3, 4, 0, 0, 0, 3, 5, 0, -1, 0, 3, 5, 0, 0, 0, 3, 6, -1, -1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.85818 | 2.25902 | 4.51962 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0.25 |
| 0.375 | 0 | 0 |
| 0 | 0.25 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.46384 | 2.00015 | 3.7227 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0.25 |
| 0.35565 | 0 | 0 |
| 0 | 0.25 | 0.25 |
Edge end points:
