s-net: sqc1082
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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 | 13 |
| Transitivity (vertex,edge) | (4,5) |
| Vertex degrees | {3,4,4,4} |
| Vertex coordination sequence | [(3, 9, 20, 40, 66, 109, 149, 214, 271, 357), (4, 10, 22, 38, 72, 106, 150, 198, 272, 336), (4, 12, 20, 36, 56, 100, 144, 192, 252, 340), (4, 10, 26, 46, 78, 116, 176, 226, 296, 360)] |
| Wells’ vertex symbol | [5.7^2, 5^4.6.7, 5^4.8^2, 7^4.11.12] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 2, 4, 0, 0, 0, 2, 5, 0, 0, 0, 3, 4, -1, 1, 0, 3, 5, 0, 1, 0, 4, 6, 0, 0, 0, 4, 6, 0, 0, 1, 5, 7, 0, 0, 0, 5, 7, 0, 0, 1, 6, 7, 0, 0, 0, 6, 7, 1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.62469 | 7.44847 | 2.15032 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.16667 | 0.5 |
| 0.25 | 0.25 | 0.5 |
| 0.25 | 0.25 | 0 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.22781 | 8.25293 | 2.10882 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.12776 | 0.5 |
| 0.25 | 0.25 | 0.5 |
| 0.25 | 0.25 | 0 |
| 0 | 0 | 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 |
|---|---|---|---|---|---|
 |
hqc2205 | *222222 | (5,7,2) | {4,4,3,4,4} | {5.5.5.5}{5.8.8.5}{5.8.8}{8.8.8.... |