s-net: sqc2802
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 7 |
| Edges per primitive translational unit | 18 |
| Transitivity (vertex,edge) | (2,2) |
| Vertex degrees | {12,4} |
| Vertex coordination sequence | [(12, 18, 66, 78, 168, 176, 324, 312, 534, 486), (4, 23, 43, 100, 127, 223, 252, 397, 415, 624)] |
| Wells’ vertex symbol | [3^6.4^6.5^12.6^12.7^12.8^12.9^6, 3^2.4.5^2.6] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 3, -1, 0, 0, 2, 3, -1, 0, 1, 2, 4, 0, 0, 0, 2, 4, 0, 1, 0, 2, 5, 0, -1, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 6, 1, 0, 0, 2, 7, 0, 0, 0, 2, 7, 0, 0, 1, 3, 5, 1, -1, -1, 4, 7, 0, -1, 0, 5, 6, 0, 0, 0, 6, 7, -1, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.46863 | 2.46863 | 4.27579 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.33333 | 0.16667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.50019 | 2.50019 | 3.87247 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.39996 | 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 |
|---|---|---|---|---|---|
 |
hqc246 | *2626 | (2,2,3) | {4,12} | {6.6.4.6}{6.4.6.4.6.4.6.4.6.4.6.4} |