s-net: sqc2221
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 17 |
| Transitivity (vertex,edge) | (2,7) |
| Vertex degrees | {7,3} |
| Vertex coordination sequence | [(7, 23, 51, 91, 143, 207, 283, 371, 471, 583), (3, 10, 31, 66, 112, 170, 240, 322, 416, 522)] |
| Wells’ vertex symbol | [3.4^13.5^3.6^4, 3.4^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 4, 0, 0, -1, 2, 5, 0, 0, 0, 2, 5, 0, 1, 0, 3, 3, -1, 0, 0, 3, 5, 0, 0, 0, 3, 5, 0, 0, 1, 3, 6, 0, 0, 0, 4, 6, 0, 0, 0, 5, 5, -1, 0, 0, 5, 6, 0, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.37907 | 1.25426 | 2.29033 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.22222 | 0 | 0.2 |
| 0.11111 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.96007 | 1.00357 | 1.98328 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.24399 | 0 | 0.24698 |
| 0.22966 | 0 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc2438 | *222222 | (2,8,7) | {7,3} | {4.4.3.4.4.4.4}{3.4.4} |