s-net: sqc1570
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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 | {3,4,4} |
| Vertex coordination sequence | [(3, 8, 16, 24, 38, 60, 81, 102, 123, 156), (4, 6, 12, 24, 42, 58, 74, 98, 134, 160), (4, 7, 13, 26, 39, 61, 76, 100, 130, 161)] |
| Wells’ vertex symbol | [8.10^2, 3^2.8^2.9^2, 3^2.4.8^2.9] |
| 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, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 5, 0, 0, 0, 4, 6, 1, 0, 0, 4, 7, 0, 1, 0, 5, 7, 0, 1, 0, 5, 8, -1, 1, 0, 6, 8, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 6.92661 | 3.26546 | 5.16405 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.38889 | 0 | 0 |
| 0.25 | 0.25 | 0.25 |
| 0.27778 | 0 | 0.2 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.75848 | 3.46407 | 4.67701 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.41317 | 0 | 0 |
| 0.25 | 0.25 | 0.25 |
| 0.30441 | 0 | 0.16669 |
Edge end points:
