s-net: sqc1977
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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 | 16 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {6,10,4} |
| Vertex coordination sequence | [(6, 14, 22, 62, 78, 98, 174, 198, 230, 342), (10, 10, 30, 66, 66, 114, 178, 178, 254, 346), (4, 16, 24, 42, 90, 110, 138, 218, 250, 290)] |
| Wells’ vertex symbol | [3^8.4^7, 3^8.4^12.6^4.7^8.8^13, 3^2.4.6^2.7] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 1, 4, 1, 0, 0, 1, 5, 0, 0, 0, 1, 5, 1, 0, 0, 1, 6, 0, 0, 0, 1, 6, 1, 0, 0, 2, 4, 0, 0, 0, 2, 6, 0, 1, 0, 3, 4, 0, 0, 0, 3, 5, 0, 0, 1, 4, 5, 0, 0, 0, 4, 6, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.18743 | 3.18743 | 1.56151 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0 | 0.5 |
| 0 | 0.2 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.81543 | 2.81543 | 1.38581 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0 | 0.5 |
| 0 | 0.31386 | 0 |
Edge end points:
