s-net: sqc4128
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 8 |
| Edges per primitive translational unit | 22 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {3,8} |
| Vertex coordination sequence | [(3, 12, 39, 76, 126, 188, 265, 340, 437, 544), (8, 22, 46, 84, 138, 196, 270, 352, 446, 554)] |
| Wells’ vertex symbol | [3.8^2, 3^8.4^10.5^7.6^3] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, -2, 0, 0, 1, 5, -1, 0, 0, 1, 5, 0, 0, 0, 2, 2, -1, 0, 0, 2, 6, -2, 0, 0, 2, 6, -1, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 5, -2, 0, 0, 3, 8, 0, 1, 0, 4, 5, 0, 0, 0, 4, 7, 0, 0, 1, 5, 5, -1, 0, 0, 5, 6, 0, 1, 1, 6, 6, -1, 0, 0, 6, 7, 2, 0, 0, 6, 8, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.51239 | 5.70805 | 0.90215 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.125 | 0 |
| 0.2 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.52368 | 5.47235 | 0.89122 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.15591 | 0 |
| 0.14611 | 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 |
|---|---|---|---|---|---|
 |
hqc1628 | *222222 | (2,6,4) | {8,3} | {4.4.3.8.8.3.4.4}{3.8.8} |