s-net: sqc418
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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 | 10 |
| Transitivity (vertex,edge) | (2,2) |
| Vertex degrees | {4,6} |
| Vertex coordination sequence | [(4, 18, 50, 104, 198, 312, 446, 604, 782, 982), (6, 20, 54, 118, 210, 326, 464, 622, 800, 998)] |
| Wells’ vertex symbol | [4^2.5^2.6^2, 4^2.5^6.6^4.7^3] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, -1, 1, 0, 1, 3, 0, 0, 0, 2, 4, 0, 0, 0, 2, 4, 0, 1, 0, 3, 4, -1, 1, 1, 3, 4, 0, 0, 1, 4, 4, -1, 2, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.09276 | 1.09276 | 2.67539 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0 |
| 0.5 | 0.5 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.70798 | 0.70798 | 3.73968 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0 |
| 0.5 | 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc163 | *22222 | (2,2,2) | {6,4} | {6.4.6.6.4.6}{6.4.6.4} |