s-net: sqc4004
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 9 |
| Edges per primitive translational unit | 22 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {3,20} |
| Vertex coordination sequence | [(3, 20, 138, 451, 980, 1724, 2684, 3860, 5252, 6860), (20, 140, 452, 980, 1724, 2684, 3860, 5252, 6860, 8684)] |
| Wells’ vertex symbol | [4^3, 4^78.6^88.8^24] |
| Systre key | (3, 1, 1, -2, -1, -1, 1, 1, -1, -1, -2, 1, 1, -1, -1, 0, 1, 1, -1, 0, 0, 1, 1, 0, -1, -1, 1, 1, 0, 0, -1, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 1, 8, 0, 0, 0, 1, 9, 0, 0, 0, 2, 7, 0, 0, 1, 2, 9, 1, 1, 2, 3, 5, -1, 0, 0, 3, 8, 0, 1, 1, 4, 7, -1, -1, 0, 4, 9, 0, 0, 1, 5, 6, 2, 1, 1, 6, 8, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.65077 | 1.65077 | 1.39322 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.1 | 0.5 | 0.33333 |
| 0.5 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.20351 | 1.20351 | 0.87385 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.21862 | 0.5 | 0.0031 |
| 0.5 | 0.5 | 1 |
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 |
|---|---|---|---|---|---|
 |
hqc1747 | *2244 | (2,5,4) | {3,20} | {4.4.4}{4.4.4.4.4.4.4.4.4.4.4.4.... |