s-net: sqc3136
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {3,14} |
| Vertex coordination sequence | [(3, 23, 101, 230, 406, 630, 902, 1222, 1590, 2006), (14, 70, 174, 326, 526, 774, 1070, 1414, 1806, 2246)] |
| Wells’ vertex symbol | [3.4^2, 3^16.4^36.5^30.6^5.7^4] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, -2, -1, 1, 1, 2, -2, 0, 0, 1, 2, -2, 0, 1, 1, 2, -1, 0, 0, 1, 2, -1, 0, 1, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 0, -1, 0, 2, 4, 2, 1, -1, 2, 5, 0, -1, 0, 2, 6, 2, 1, -1, 3, 6, 0, 1, -1, 4, 5, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.68388 | 2.02905 | 1.01414 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.125 | 0.25 |
| 0.25 | 0.25 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.09779 | 1.60443 | 0.80208 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.71832 | 0.21164 |
| 0.25 | 0.25 | 0 |
Edge end points:
