s-net: sqc6188
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 9 |
| Edges per primitive translational unit | 27 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {7,4} |
| Vertex coordination sequence | [(7, 20, 43, 74, 115, 164, 223, 290, 367, 452), (4, 16, 40, 68, 116, 158, 218, 292, 360, 444)] |
| Wells’ vertex symbol | [3^4.4^6.5^6.6^5, 3^4.4^2] |
| 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, 1, 8, 0, 0, 0, 2, 3, 1, 0, 0, 2, 4, 0, 1, 0, 2, 5, 1, 0, 0, 2, 6, 0, 1, 0, 2, 7, 0, 1, 0, 2, 8, 1, 0, 0, 3, 4, 0, 1, 0, 3, 5, 0, 0, 0, 3, 7, 0, 0, 1, 3, 8, 1, -1, 1, 3, 9, 0, 0, 0, 4, 6, 0, 0, 0, 4, 7, 1, -1, 1, 4, 8, 1, -1, 1, 4, 9, 0, -1, 0, 5, 8, 0, 0, 0, 6, 7, 0, 0, 0, 7, 8, 1, 0, 0, 7, 9, 0, 0, -1, 8, 9, -1, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.79124 | 3.79124 | 3.07082 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.3125 | 0 |
| 0 | 0.5 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.38486 | 3.38486 | 3.48427 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.34355 | 0 |
| 0 | 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc984 | *2626 | (2,4,4) | {7,4} | {12.3.3.6.3.3.12}{3.3.3.3} |