s-net: sqc2521
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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 | 18 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {3,12} |
| Vertex coordination sequence | [(3, 20, 119, 345, 650, 1038, 1522, 2070, 2730, 3438), (12, 76, 262, 522, 878, 1306, 1830, 2426, 3118, 3882)] |
| Wells’ vertex symbol | [3.4^2, 3^4.4^12.5^17.6^21.7^10.8^2] |
| Systre key | (3, 1, 1, -1, 1, -1, 1, 2, -2, 0, -1, 1, 2, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 0, 2, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 2, -1, -1, -1, 2, 3, 0, 0, 0, 2, 4, 0, -2, 0, 2, 5, 0, 0, -1, 2, 6, 2, 0, 1, 3, 4, 1, -1, 1, 5, 6, 1, -1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.10763 | 1.10763 | 1.83687 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 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 |
|---|---|---|---|---|---|
| 0.76837 | 0.76837 | 1.67187 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.44622 | 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 |
|---|---|---|---|---|---|
 |
hqc985 | *22222 | (2,5,3) | {12,3} | {4.3.4.4.3.4.4.3.4.4.3.4}{3.4.4} |