s-net: sqc3882
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 12 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {4,3} |
| Vertex coordination sequence | [(4, 9, 17, 28, 44, 72, 103, 125, 150, 188), (3, 7, 16, 31, 49, 67, 90, 123, 164, 202)] |
| Wells’ vertex symbol | [4.6.8^4, 6.8^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 8, 0, 0, 0, 3, 9, 0, 0, 0, 3, 10, 0, 0, 0, 4, 7, 1, 0, 0, 4, 11, 0, 0, 0, 5, 10, 1, 0, 0, 5, 12, 0, 0, 0, 6, 9, 0, 0, 1, 6, 11, 0, 1, 0, 7, 10, 0, 0, 1, 8, 11, 1, 1, 0, 8, 12, 1, 1, 0, 9, 12, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.16345 | 3.16345 | 2.58295 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.16667 | 0 | 0.125 |
| 0.33333 | 0.16667 | 0.375 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.14648 | 3.14648 | 2.60484 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.17055 | 0 | 0.125 |
| 0.34109 | 0.17051 | 0.37504 |
Edge end points:
Hyperbolic sources
h-nets with faithful topology
1 record listed.| Image | h-net name | Orbifold symbol | Transitivity (Vert,Edge,Face) | Vertex Degree | 2D Vertex Symbol |
|---|---|---|---|---|---|
 |
hqc1391 | *4444 | (2,4,4) | {3,4} | {8.16.12}{12.16.4.16} |