s-net: sqc4263
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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) | (2,6) |
| Vertex degrees | {3,8} |
| Vertex coordination sequence | [(3, 14, 49, 100, 177, 267, 380, 512, 665, 827), (8, 32, 75, 138, 221, 322, 444, 586, 745, 926)] |
| Wells’ vertex symbol | [3.5^2, 3^2.4^10.5^8.6^8] |
| 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, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 0, 0, 0, 2, 4, 0, 0, 1, 2, 5, -2, -1, -1, 2, 6, 0, -1, 0, 3, 7, 0, 0, 0, 4, 5, -2, -1, -1, 4, 5, -2, 0, -1, 4, 5, -1, -1, -1, 4, 5, -1, 0, -1, 4, 7, -1, 0, -1, 4, 8, 0, 0, 0, 5, 7, 1, 0, 0, 5, 8, 2, 1, 1, 6, 8, 1, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.81159 | 5.23212 | 1.65413 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.05 | 0 |
| 0 | 0.6 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.4668 | 3.46784 | 1.36071 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.14393 | 0 |
| 0 | 0.6057 | 0.25004 |
Edge end points:
