s-net: sqc1197
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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 | 14 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {8,6} |
| Vertex coordination sequence | [(8, 34, 90, 168, 274, 398, 552, 724, 926, 1146), (6, 26, 80, 156, 264, 380, 544, 700, 920, 1116)] |
| Wells’ vertex symbol | [3^4.4^8.5^8.6^8, 3^2.4^6.5^6.7] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 3, 0, 0, 1, 2, 3, 0, -1, 1, 2, 3, 0, 0, 0, 2, 3, 1, -1, 0, 2, 3, 1, 0, 1, 2, 4, 0, 0, 0, 2, 4, 0, 0, 1, 3, 4, 0, 0, 0, 3, 4, 0, 1, 0, 4, 4, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.21526 | 2.21577 | 1.21322 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.16667 |
| 0.25 | 1 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.32424 | 2.45835 | 1.05933 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.49007 |
| 0.75 | 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 |
|---|---|---|---|---|---|
 |
hqc469 | *22222 | (2,4,2) | {8,6} | {3.4.4.3.3.4.4.3}{3.4.4.3.4.4} |