s-net: sqc718
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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 | 12 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {8,4} |
| Vertex coordination sequence | [(8, 28, 68, 124, 196, 284, 388, 508, 644, 796), (4, 16, 50, 106, 178, 266, 370, 490, 626, 778)] |
| Wells’ vertex symbol | [4^17.6^10.8, 4^4.6^2] |
| Systre key | (3, 1, 1, -1, -2, 0, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 2, 2, -1, 0, 0, 2, 4, 0, 0, 0, 3, 3, -1, -2, 0, 3, 4, 0, 0, 1, 4, 4, -1, -2, 0, 4, 4, -1, -1, 0, 4, 4, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.76065 | 0.76065 | 4.02441 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.7532 | 0.7532 | 4.10244 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0 | 0.25 |
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 |
|---|---|---|---|---|---|
 |
hqc206 | *22222 | (2,4,2) | {8,4} | {4.4.4.4.4.4.4.4}{4.4.4.4} |