s-net: sqc869
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| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | pfm |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 4 |
| Edges per primitive translational unit | 12 |
| Transitivity (vertex,edge) | (3,2) |
| Vertex degrees | {4,12,4} |
| Vertex coordination sequence | [(4, 34, 32, 162, 88, 370, 172, 662, 284, 1038), (12, 16, 94, 58, 260, 128, 510, 226, 844, 352), (4, 32, 30, 152, 84, 354, 166, 640, 276, 1010)] |
| Wells’ vertex symbol | [4^6, 4^32.6^30.8^4, 4^4.6^2] |
| 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) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.41421 | 1.41421 | 2.82843 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.25 |
| 0 | 0 | 0 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.41421 | 1.41421 | 2.82843 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.25 |
| 0 | 0 | 0 |
| 0 | 0 | 0.5 |
Edge end points:
