s-net: sqc8211
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 16 |
| Edges per primitive translational unit | 33 |
| Transitivity (vertex,edge) | (4,6) |
| Vertex degrees | {4,3,12,4} |
| Vertex coordination sequence | [(4, 16, 38, 95, 176, 284, 405, 575, 737, 938), (3, 7, 28, 60, 138, 236, 359, 493, 679, 854), (12, 24, 84, 144, 236, 354, 510, 642, 854, 1074), (4, 22, 42, 130, 204, 318, 450, 632, 774, 1012)] |
| Wells’ vertex symbol | [4^2.6.7^2.8, 4^2.6, 4^12.6^12.7^6.8^18.10^12.11^3.12^3, 4^4.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 1, 6, 0, 1, 0, 1, 7, 0, 0, 0, 1, 7, 1, 0, 0, 1, 8, 0, 0, 0, 1, 9, 0, 0, 0, 1, 10, 0, 0, 0, 2, 11, 0, 0, 0, 2, 12, 0, 0, 0, 3, 10, -1, 0, -1, 3, 11, 0, 0, 0, 3, 13, 0, 0, 0, 4, 9, 0, -1, -1, 4, 13, 0, -1, 0, 4, 14, 0, 0, 0, 5, 8, 1, 1, 0, 5, 12, 0, 0, 0, 5, 15, 0, 0, 0, 6, 13, 0, -1, 0, 6, 16, 0, 0, 0, 7, 14, -1, 0, 0, 7, 15, -1, 0, 0, 8, 11, 0, 0, 1, 8, 14, -1, 0, 0, 9, 15, -1, 0, 0, 9, 16, 0, 1, 0, 10, 12, 0, 0, 1, 10, 16, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.69352 | 4.69352 | 3.32033 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.07143 | 0.25 | 0.18182 |
| 0.30952 | 0.08333 | 0.28788 |
| 0 | 0 | 0 |
| 0.5 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.81209 | 2.81209 | 3.52637 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.08652 | 0.15627 | 0.26199 |
| 0.33637 | 0.09427 | 0.04986 |
| 0 | 0 | 0 |
| 0.5 | 0 | 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 |
|---|---|---|---|---|---|
 |
hqc1835 | *2626 | (4,5,2) | {4,3,12,4} | {18.4.4.18}{18.4.4}{4.4.4.4.4.4.... |