s-net: sqc4658
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 12 |
| Edges per primitive translational unit | 22 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {4,3} |
| Vertex coordination sequence | [(4, 9, 18, 37, 68, 100, 138, 189, 260, 309), (3, 8, 19, 36, 65, 100, 145, 190, 239, 312)] |
| Wells’ vertex symbol | [4^2.6^2.8^2, 6.8^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, 1, 0, 0, 2, 4, 0, 1, 0, 2, 5, 0, 1, 0, 3, 6, 0, 0, 0, 4, 5, 0, 1, 0, 4, 7, 0, 0, 0, 5, 7, -1, 1, 0, 6, 8, 0, 0, 0, 6, 9, 0, 0, 0, 7, 10, 0, 0, 0, 8, 9, 1, 0, 0, 8, 11, 0, 0, 0, 8, 12, 0, 0, 0, 9, 11, 0, -1, 0, 9, 12, 0, -1, 0, 10, 11, 0, 0, 1, 10, 12, 0, 1, 1, 11, 12, 1, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.98195 | 1.98195 | 5.94605 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.4 | 0.2 | 0.02778 |
| 0 | 0 | 0.63889 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.40642 | 1.40642 | 7.0239 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.27795 | 0.2223 | 0.05557 |
| 0 | 0 | 0.67882 |
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 |
|---|---|---|---|---|---|
 |
hqc1636 | *22222 | (2,5,4) | {4,3} | {4.8.6.4}{6.8.8} |