s-net: sqc3705
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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) | (2,3) |
| Vertex degrees | {4,3} |
| Vertex coordination sequence | [(4, 10, 20, 34, 54, 80, 102, 134, 176, 212), (3, 6, 15, 32, 52, 74, 104, 136, 168, 211)] |
| Wells’ vertex symbol | [7^3.9^3, 4.7^2] |
| 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, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 9, 0, 0, 0, 4, 10, 0, 0, 0, 5, 9, 0, 1, 0, 5, 10, 0, 1, 0, 6, 7, 0, 0, 1, 6, 8, 0, 0, 1, 7, 11, 0, 0, 0, 8, 12, 0, 0, 0, 9, 12, 0, 0, 1, 10, 11, -1, -1, 0, 11, 12, 0, 1, 0, 11, 12, 1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I-42d
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.92857 | 4.92857 | 2.53777 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.1875 | 0.25 | 0.125 |
| 0.0625 | 0.08333 | 0.025 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I-42d
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.09683 | 5.09683 | 1.88184 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.21678 | 0.25 | 0.125 |
| 0.09048 | 0.10371 | 0.03349 |
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 |
|---|---|---|---|---|---|
 |
hqc140 | *2244 | (2,3,2) | {3,4} | {4.16.16}{16.16.16.16} |