s-net: sqc2836
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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 | 18 |
| Transitivity (vertex,edge) | (3,6) |
| Vertex degrees | {4,7,3} |
| Vertex coordination sequence | [(4, 14, 29, 49, 88, 134, 170, 220, 292, 358), (7, 15, 30, 63, 95, 122, 175, 239, 286, 351), (3, 13, 32, 51, 85, 134, 173, 219, 290, 359)] |
| Wells’ vertex symbol | [4^4.6^2, 4^7.6^8.8^6, 4.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 4, 0, 1, 0, 2, 4, 1, 1, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 6, 0, 0, 0, 3, 6, 1, 0, 0, 3, 8, 0, 0, 0, 4, 8, 0, 0, 0, 5, 6, 0, 0, 1, 5, 7, 1, 1, 0, 6, 7, 0, 0, -1, 6, 8, 0, 1, 0, 6, 8, 1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.04669 | 2.03174 | 1.76023 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.41667 | 0.25 | 0 |
| 0.33333 | 0 | 0.5 |
| 0 | 0.25 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.75482 | 1.95971 | 1.75469 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.31851 | 0.24486 | 0 |
| 0.31849 | 0 | 0.5 |
| 0 | 0.24486 | 0.5 |
Edge end points:
