s-net: sqc3943
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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 | 21 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {5,12} |
| Vertex coordination sequence | [(5, 22, 43, 100, 127, 223, 252, 397, 415, 624), (12, 18, 66, 78, 168, 176, 324, 312, 534, 486)] |
| Wells’ vertex symbol | [3^4.4^3.5^2.6, 3^12.4^12.5^6.6^6.7^12.8^12.9^6] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, -1, 0, 0, 2, 3, 0, 0, 0, 2, 4, -1, 0, 0, 2, 4, -1, 0, 1, 2, 5, 0, 0, 0, 2, 5, 0, 1, 0, 2, 6, 0, -1, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 7, 0, 0, 1, 3, 6, 1, 0, 0, 3, 7, 0, 0, 1, 4, 6, 1, -1, -1, 4, 7, 1, 0, 0, 5, 6, 0, -1, 0, 5, 7, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.57309 | 2.57309 | 4.67425 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.4 | 0 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.95317 | 2.95317 | 1.45219 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.33473 | 0 |
| 0 | 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 |
|---|---|---|---|---|---|
 |
hqc428 | *2626 | (2,3,3) | {5,12} | {6.6.3.3.6}{6.3.6.3.6.3.6.3.6.3.... |