s-net: sqc5022
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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 | 24 |
| Transitivity (vertex,edge) | (2,7) |
| Vertex degrees | {9,3} |
| Vertex coordination sequence | [(9, 34, 79, 144, 229, 334, 459, 604, 769, 954), (3, 13, 51, 98, 182, 272, 392, 518, 682, 852)] |
| Wells’ vertex symbol | [3^2.4^20.5^8.6^6, 3.4^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 1, 2, 1, 1, 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, -1, -1, -1, 2, 6, 0, 0, 1, 2, 6, 1, 0, 1, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, 0, 0, 0, 3, 8, 0, 0, 0, 4, 5, 0, 0, 0, 4, 6, 0, 0, 1, 4, 6, 0, 1, 1, 4, 6, 1, 0, 1, 4, 6, 1, 1, 1, 5, 7, 0, 1, 0, 6, 7, -1, 0, -1, 6, 8, -1, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.06157 | 5.05216 | 1.67096 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.0625 | 0.28571 |
| 0.125 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.46713 | 3.46858 | 1.36011 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.10571 | 0.25006 |
| 0.09018 | 0 | 0.5 |
Edge end points:
