s-net: sqc3996
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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 | 21 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {4,3} |
| Vertex coordination sequence | [(4, 11, 24, 43, 70, 106, 148, 195, 248, 309), (3, 7, 16, 33, 61, 96, 133, 177, 232, 295)] |
| Wells’ vertex symbol | [6^4.8.10, 6^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 5, 1, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 8, 0, 0, 0, 3, 9, 0, 0, 0, 4, 7, 0, 1, 0, 4, 10, 0, 0, 0, 4, 11, 0, 0, 0, 5, 10, 0, 0, 1, 5, 12, 0, 0, 0, 6, 9, 1, 1, 0, 6, 11, 1, 0, 1, 7, 8, -1, -1, -1, 7, 10, -1, -1, 0, 8, 12, 1, 0, 1, 9, 10, -1, -1, 0, 11, 12, 1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.75379 | 4.75379 | 3.28512 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.36364 | 0 |
| 0 | 0.18182 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.99994 | 4.99994 | 2.44975 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.39999 | 0 |
| 0 | 0.2 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc356 | *2626 | (2,4,3) | {4,3} | {12.8.8.12}{8.6.8} |