s-net: sqc812
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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 | 12 |
| Transitivity (vertex,edge) | (5,7) |
| Vertex degrees | {4,4,4,4,4} |
| Vertex coordination sequence | [(4, 12, 32, 78, 136, 218, 320, 450, 604, 786), (4, 10, 24, 55, 99, 173, 257, 378, 526, 706), (4, 12, 34, 74, 118, 210, 294, 430, 566, 752), (4, 12, 32, 68, 118, 188, 292, 412, 572, 724), (4, 8, 16, 40, 72, 134, 206, 308, 438, 604)] |
| Wells’ vertex symbol | [6^4.8^2, 4^2.6.8^2.9, 6.8^4.10, 8^6, 4^4.6^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 2, 3, 0, 0, 0, 2, 3, 0, 0, 1, 3, 4, 0, 0, 0, 3, 5, 0, 0, 0, 4, 5, 1, -1, 0, 4, 5, 1, 1, 0, 4, 6, 0, 0, 0, 5, 6, -1, 0, 0, 6, 6, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.22021 | 1.9133 | 1.21777 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0.41667 | 0.5 |
| 0 | 0 | 0.5 |
| 0.5 | 0 | 0.5 |
| 0.5 | 0.5 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.44351 | 1.29761 | 1.07359 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0.12851 | 0.5 |
| 0 | 0 | 0.5 |
| 0.5 | 0 | 0.5 |
| 0.5 | 0.5 | 0.5 |
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 |
|---|---|---|---|---|---|
 |
hqc2018 | *222222 | (5,7,2) | {4,4,4,4,4} | {4.4.4.4}{4.8.8.4}{8.8.8.8}{8.8.... |