s-net: sqc3690
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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 | 20 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {3,4} |
| Vertex coordination sequence | [(3, 6, 15, 34, 55, 84, 122, 166, 216, 273), (4, 10, 20, 36, 60, 92, 128, 170, 224, 280)] |
| Wells’ vertex symbol | [4.8^2, 8^4.10.12] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 6, 0, 1, 0, 3, 7, 0, 0, 0, 4, 5, 2, -1, 0, 4, 8, 0, 0, 0, 5, 9, 0, 0, 0, 6, 10, 0, 0, 0, 7, 10, 0, 1, 0, 7, 11, 0, 0, 0, 8, 9, 2, -1, 0, 8, 12, 0, 0, 0, 9, 11, 0, 0, 1, 10, 12, 0, 0, -1, 11, 12, -1, 1, -1, 11, 12, 0, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.29878 | 2.29878 | 4.57039 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.14634 | 0.08537 | 0.16667 |
| 0.19512 | 0.5 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.00011 | 2.00011 | 5.08347 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.20787 | 0.13885 | 0.15353 |
| 0.25 | 0.5 | 0.5 |
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 |
|---|---|---|---|---|---|
 |
hqc138 | *2224 | (2,3,2) | {3,4} | {4.8.8}{8.8.8.8} |