s-net: sqc1822
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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 | 16 |
| Transitivity (vertex,edge) | (4,4) |
| Vertex degrees | {4,12,8,8} |
| Vertex coordination sequence | [(4, 34, 60, 162, 220, 326, 460, 610, 724, 966), (12, 30, 96, 146, 232, 346, 468, 586, 784, 942), (8, 38, 88, 142, 248, 334, 460, 610, 768, 930), (8, 42, 72, 162, 232, 334, 464, 614, 744, 958)] |
| Wells’ vertex symbol | [4^6, 3^8.4^30.5^16.6^12, 3^8.4^12.5^8, 3^8.4^10.5^8.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 2, 3, 0, 0, 0, 2, 3, 0, 0, 1, 2, 3, 0, 1, 0, 2, 3, 1, 0, 0, 2, 4, -1, 0, 1, 2, 4, -1, 1, 1, 2, 4, 0, 0, 0, 2, 4, 0, 1, 0, 3, 4, -1, 0, 0, 3, 4, -1, 0, 1, 3, 4, -1, 1, 0, 3, 4, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.46086 | 1.46086 | 2.66715 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0 | 0.25 |
| 0 | 0 | 0.5 |
| 0 | 0.5 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.41431 | 1.41431 | 2.8281 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0 | 0.25 |
| 0 | 0 | 0.5 |
| 0 | 0.5 | 0.25 |
Edge end points:
