s-net: sqc8176
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 13 |
| Edges per primitive translational unit | 33 |
| Transitivity (vertex,edge) | (3,6) |
| Vertex degrees | {18,4,4} |
| Vertex coordination sequence | [(18, 102, 332, 770, 1416, 2270, 3332, 4602, 6080, 7766), (4, 22, 118, 387, 869, 1561, 2458, 3563, 4876, 6397), (4, 22, 118, 387, 869, 1561, 2458, 3563, 4876, 6397)] |
| Wells’ vertex symbol | [3^6.4^24.5^12.6^51.7^42.8^12.9^6, 3.4^2.5^2.6, 3.4^2.5^2.6] |
| Systre key | (3, 1, 1, -2, -1, 1, 1, 1, 0, -1, 0, 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, 1, 10, 0, 0, 0, 1, 11, 0, 0, 0, 1, 12, 0, 0, 0, 1, 13, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 1, 0, 0, 2, 12, 2, 1, -1, 3, 5, 0, 0, 0, 3, 10, 1, 0, -1, 3, 13, 2, 1, -1, 4, 5, 0, 1, 0, 4, 6, 0, 0, 0, 4, 9, 1, 1, 0, 5, 12, 1, 0, -1, 6, 8, 0, 0, 1, 6, 11, 1, 1, 0, 7, 9, 0, 0, 1, 7, 13, 1, 0, 0, 8, 13, 0, 0, 0, 9, 11, 0, 0, 0, 10, 11, 0, 1, 0, 10, 12, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.67737 | 3.67737 | 2.10406 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.17778 | 0.28889 | 0.02222 |
| 0.22222 | 0.04444 | 0.24444 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.21064 | 2.21064 | 1.36421 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.18699 | 0.14847 | 0.21992 |
| 0.04073 | 0.21058 | 0.42776 |
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 |
|---|---|---|---|---|---|
 |
hqc1663 | *2626 | (2,5,4) | {4,18} | {12.4.3.4}{3.4.4.3.4.4.3.4.4.3.4... |