s-net: sqc820
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 7 |
| Edges per primitive translational unit | 12 |
| Transitivity (vertex,edge) | (5,6) |
| Vertex degrees | {4,4,3,3,4} |
| Vertex coordination sequence | [(4, 10, 24, 54, 92, 146, 252, 334, 464, 574), (4, 12, 30, 66, 106, 190, 258, 370, 466, 606), (3, 5, 10, 25, 45, 86, 133, 205, 316, 427), (3, 6, 13, 30, 53, 98, 150, 243, 336, 458), (4, 12, 32, 78, 128, 202, 280, 382, 488, 618)] |
| Wells’ vertex symbol | [8.9^4.10, 6.8^4.12, 4.9^2, 4.9^2, 6^4.8^2] |
| 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, 6, 0, 0, 0, 4, 7, 0, 0, 0, 5, 6, -1, 0, 0, 5, 7, -1, 0, 0, 6, 7, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.07935 | 2.17686 | 1.88507 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0 | 0 |
| 0 | 0.25 | 0.5 |
| 0 | 0 | 0.33333 |
| 0.5 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.03615 | 2.2176 | 0.89554 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0 | 0 |
| 0 | 0.70137 | 0.5 |
| 0 | 0 | 0.2375 |
| 0.5 | 0.5 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc2032 | *222222 | (5,6,2) | {4,4,4,3,3} | {10.10.10.10}{10.10.10.10}{10.10... |