s-net: sqc4099
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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 | 22 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {7,4} |
| Vertex coordination sequence | [(7, 18, 36, 63, 92, 137, 190, 234, 301, 376), (4, 16, 34, 55, 96, 135, 178, 242, 290, 367)] |
| Wells’ vertex symbol | [3^4.4^6.5^8.6^3, 3^2.4^2.5^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, -1, 0, 0, 1, 3, 0, 0, 0, 1, 4, -1, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 5, -1, 0, 0, 2, 5, 0, 0, 0, 2, 6, -1, 0, 0, 2, 6, 0, 0, 0, 3, 7, -1, 0, 0, 3, 7, 0, 0, 0, 4, 8, -1, 0, 0, 4, 8, 0, 0, 0, 5, 7, -1, 1, 0, 5, 7, 0, 1, 0, 6, 8, -1, 1, 0, 6, 8, 0, 1, 0, 7, 7, -1, 0, 0, 7, 8, 0, 0, 1, 8, 8, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.02649 | 4.02649 | 1.00649 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0 |
| 0.125 | 0.125 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.44953 | 3.44953 | 0.99999 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.35504 | 0 |
| 0.17759 | 0.17759 | 0.5 |
Edge end points:
