s-net: sqc1553
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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) | (3,5) |
| Vertex degrees | {6,3,3} |
| Vertex coordination sequence | [(6, 10, 18, 30, 48, 76, 102, 118, 150, 192), (3, 7, 17, 24, 51, 67, 93, 123, 156, 183), (3, 6, 14, 35, 48, 67, 92, 124, 163, 196)] |
| Wells’ vertex symbol | [3^4.4^6.10^4.11, 3.8^2, 8.10^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 4, 1, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 4, 0, 0, 0, 2, 7, 0, 0, 0, 3, 4, 0, 0, 0, 3, 7, 0, 1, 0, 4, 5, 0, 0, 0, 4, 6, 0, 0, 0, 5, 8, 0, 0, 0, 6, 8, 0, 1, 0, 7, 8, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.81493 | 2.78454 | 2.95338 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.375 | 0 |
| 0.1 | 0.5 | 0.16667 |
| 0.3 | 0.5 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.39669 | 2.00003 | 2.86077 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0 |
| 0.16422 | 0.5 | 0.23156 |
| 0.3528 | 0.5 | 0.5 |
Edge end points:
