s-net: sqc1002
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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) | (2,7) |
| Vertex degrees | {8,5} |
| Vertex coordination sequence | [(8, 20, 42, 72, 112, 158, 216, 280, 354, 436), (5, 13, 32, 59, 101, 146, 205, 267, 344, 423)] |
| Wells’ vertex symbol | [3^8.4^15.5^3.6^2, 3.4^6.6^3] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, -2, 1, 0, 1, 2, -1, 1, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 1, -1, 0, 2, 4, 1, -1, 0, 3, 3, -1, 0, 0, 3, 4, 0, 0, 1, 4, 4, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.13145 | 0.90357 | 2.47519 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.5 | 0 | 0.4 |
| 0.25 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.97131 | 0.95177 | 1.70899 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.5 | 0 | 0.30111 |
| 0.17316 | 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 |
|---|---|---|---|---|---|
 |
hqc2164 | *222222 | (2,7,5) | {8,5} | {4.4.4.3.3.4.4.4}{4.4.4.4.3} |