s-net: sqc8220
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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 | 33 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {7,4} |
| Vertex coordination sequence | [(7, 24, 58, 106, 168, 249, 344, 449, 574, 713), (4, 10, 34, 72, 130, 193, 287, 378, 507, 613)] |
| Wells’ vertex symbol | [3^4.4^4.5^9.6^4, 3^3.4^2.5] |
| 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, 0, 0, 2, 6, 0, 1, 0, 2, 7, 1, 1, -1, 2, 8, 0, 0, 1, 2, 9, 0, 0, 0, 3, 6, -1, 0, 1, 3, 7, 0, 0, 0, 3, 8, 0, 0, 1, 3, 10, 0, 0, 0, 3, 11, 0, 0, 0, 4, 5, 0, 0, 0, 4, 9, 0, 0, 0, 5, 6, 0, 0, 0, 5, 11, 1, 0, -1, 6, 7, 1, 0, 0, 6, 8, 0, -1, 1, 6, 11, 1, 0, -1, 7, 8, 0, -1, 1, 7, 9, -1, -1, 1, 7, 12, 0, 0, 0, 8, 10, 0, 0, -1, 8, 12, 0, 1, -1, 9, 12, 1, 1, -1, 10, 11, 0, 0, 0, 10, 12, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.23903 | 3.23903 | 7.13739 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.14286 | 0.28571 | 0.20833 |
| 0.19048 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.48609 | 1.48609 | 5.81301 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.10808 | 0.21616 | 0.41565 |
| 0.70961 | 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 |
|---|---|---|---|---|---|
 |
hqc1624 | *2626 | (2,5,5) | {7,4} | {12.4.3.3.3.4.12}{3.3.6.3} |