s-net: sqc161
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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 | 8 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {4,4,4} |
| Vertex coordination sequence | [(4, 10, 20, 40, 72, 110, 158, 218, 282, 356), (4, 8, 18, 36, 66, 112, 162, 214, 284, 362), (4, 10, 24, 48, 80, 124, 176, 232, 304, 384)] |
| Wells’ vertex symbol | [4^3.6^2.8, 4^2.6^2.8^2, 4.8^4.10] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 2, 3, 0, 1, 0, 2, 4, 0, 0, 0, 2, 4, 0, 0, 1, 3, 4, 0, 0, 0, 3, 4, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.76151 | 2.27419 | 1.76075 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.2 | 0.5 |
| 0.5 | 0 | 0.5 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.95762 | 2.84432 | 1.00147 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.32401 | 0.5 |
| 0.5 | 0 | 0.5 |
| 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 |
|---|---|---|---|---|---|
 |
hqc823 | *222222 | (3,4,2) | {4,4,4} | {6.10.10.6}{6.10.6.10}{10.10.10.10} |