s-net: sqc1066
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 4 |
| Edges per primitive translational unit | 13 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {8,5} |
| Vertex coordination sequence | [(8, 28, 64, 116, 184, 268, 368, 484, 616, 764), (5, 16, 41, 84, 144, 220, 312, 420, 544, 684)] |
| Wells’ vertex symbol | [3^2.4^18.5^2.6^6, 3.4^8.6] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 0, -1, 1, 2, 3, 0, 0, 0, 2, 3, 0, 0, 1, 2, 3, 0, 1, 0, 2, 4, 0, 1, 0, 3, 3, -1, 0, 0, 3, 4, 0, 1, -1, 4, 4, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.71727 | 2.48031 | 1.07377 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0.5 |
| 0.125 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.91597 | 1.96234 | 1.00465 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0.5 |
| 0.76506 | 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 |
|---|---|---|---|---|---|
 |
hqc2145 | *222222 | (2,7,5) | {8,5} | {4.4.3.4.4.3.4.4}{3.4.4.4.4} |