s-net: sqc1544
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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 | {4,4,3} |
| Vertex coordination sequence | [(4, 10, 18, 34, 56, 80, 104, 134, 170, 214), (4, 10, 19, 32, 57, 84, 105, 128, 171, 220), (3, 8, 21, 38, 51, 74, 107, 142, 175, 210)] |
| Wells’ vertex symbol | [4.6^3.8^2, 4^2.6^4, 6.10^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 5, 1, 0, 0, 3, 5, 0, 1, 0, 3, 6, 0, 0, 0, 4, 6, 0, 0, 1, 4, 7, 0, 0, 0, 4, 7, 1, 0, 0, 5, 8, 0, 0, 0, 6, 8, 0, 1, -1, 7, 8, 0, 0, 0, 7, 8, 1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.78405 | 3.59693 | 1.60782 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.16667 | 0.4 | 0 |
| 0 | 0.4 | 0.5 |
| 0.5 | 0.2 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.63238 | 3.25904 | 1.68435 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.20483 | 0.34658 | 0 |
| 0 | 0.34657 | 0.5 |
| 0.5 | 0.15342 | 0 |
Edge end points:
