s-net: sqc1145
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 4 |
| Edges per primitive translational unit | 14 |
| Transitivity (vertex,edge) | (4,4) |
| Vertex degrees | {12,8,4,4} |
| Vertex coordination sequence | [(12, 48, 110, 198, 312, 452, 618, 810, 1028, 1272), (8, 40, 102, 190, 304, 444, 610, 802, 1020, 1264), (4, 28, 86, 168, 276, 410, 570, 756, 968, 1206), (4, 20, 74, 160, 268, 402, 562, 748, 960, 1198)] |
| Wells’ vertex symbol | [3^12.4^18.5^20.6^16, 3^2.4^12.5^12.6^2, 3^4.4^2, 4^4.5^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, -1, 0, 1, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 3, -1, 0, 0, 1, 3, -1, 1, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 2, 4, -1, 0, 0, 2, 4, -1, 1, 0, 2, 4, 0, 0, 0, 2, 4, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.17647 | 1.17647 | 4.40261 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0.25 |
| 0 | 0 | 0.5 |
| 0.5 | 0 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.28241 | 1.28241 | 3.3016 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0.25 |
| 0 | 0 | 0.5 |
| 0.5 | 0 | 0.25 |
Edge end points:
