s-net: sqc6191
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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 | 27 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {6,3} |
| Vertex coordination sequence | [(6, 19, 43, 79, 127, 187, 259, 343, 439, 547), (3, 7, 18, 41, 78, 127, 187, 259, 343, 439)] |
| Wells’ vertex symbol | [4^8.6^6.8, 4^2.6] |
| Systre key | (3, 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, 2, 3, 1, 0, 0, 2, 4, 0, 1, 0, 2, 6, 0, 1, 0, 2, 7, 1, 0, 0, 2, 8, 0, 0, 0, 3, 4, 0, 1, 0, 3, 6, -1, 1, 1, 3, 7, 0, 0, 1, 3, 9, 0, 0, 0, 4, 6, 0, 0, 1, 4, 7, 0, 0, 1, 4, 10, 0, 0, 0, 5, 8, 0, 0, 0, 5, 11, 0, 0, 0, 6, 7, 1, 0, 0, 6, 12, 0, 0, 0, 7, 11, 0, 0, 0, 8, 12, 0, 1, 0, 9, 10, 0, 1, 0, 9, 11, 0, 0, 1, 10, 12, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.94455 | 3.94455 | 3.90686 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.30769 | 0 |
| 0 | 0.15385 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.9157 | 3.9157 | 3.48631 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.35089 | 0 |
| 0 | 0.17536 | 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 |
|---|---|---|---|---|---|
 |
hqc920 | *2626 | (2,5,4) | {6,3} | {12.4.4.4.4.12}{4.6.4} |