s-net: sqc4140
 |
|
| 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 | 22 |
| Transitivity (vertex,edge) | (2,7) |
| Vertex degrees | {6,5} |
| Vertex coordination sequence | [(6, 18, 37, 62, 95, 137, 186, 242, 305, 375), (5, 14, 32, 61, 97, 138, 186, 242, 306, 378)] |
| Wells’ vertex symbol | [3.4^7.5^2.6^5, 3^2.4^5.5^3] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 0, 1, 0, 2, 4, 0, 1, 0, 2, 6, 0, 0, 0, 3, 4, 0, 0, 0, 3, 4, 1, 0, 0, 3, 7, 0, 0, 0, 4, 8, 0, 0, 0, 5, 5, -1, 0, 0, 5, 6, 0, 0, 0, 5, 7, 0, 0, 1, 5, 8, 0, 0, 1, 6, 6, -1, 0, 0, 6, 7, 0, 1, 1, 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 |
|---|---|---|---|---|---|
| 1.20902 | 3.42128 | 2.7935 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.33333 | 0.25 |
| 0.16667 | 0.16667 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.16906 | 3.40805 | 2.69402 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.34296 | 0.19865 |
| 0.24974 | 0.15706 | 0.5 |
Edge end points:
