s-net: sqc997
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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 | {10,3} |
| Vertex coordination sequence | [(10, 40, 94, 172, 274, 400, 550, 724, 922, 1144), (3, 16, 57, 124, 214, 328, 466, 628, 814, 1024)] |
| Wells’ vertex symbol | [3^8.4^20.5^13.6^4, 3.4^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, 0, -2, 1, 1, 2, 0, -1, 1, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 3, -1, 0, 0, 1, 3, 0, 0, 0, 2, 2, -1, 0, 0, 2, 2, 0, -1, 0, 2, 4, -1, 0, 0, 2, 4, 0, 0, 0, 3, 4, 0, -1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.3133 | 1.13706 | 2.57802 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.38889 |
| 0.5 | 0 | 0.44444 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.02789 | 0.88547 | 1.76017 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.29158 |
| 0.5 | 0 | 0.20737 |
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 |
|---|---|---|---|---|---|
 |
hqc2126 | *222222 | (2,7,5) | {10,3} | {4.4.4.3.4.4.3.4.4.4}{3.4.4} |