s-net: sqc8227
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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, 25, 61, 109, 176, 255, 350, 458, 586, 725), (4, 13, 39, 83, 141, 214, 304, 408, 529, 659)] |
| Wells’ vertex symbol | [3^3.4^6.5^10.6^2, 3.4^2.5^2.6] |
| 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, 1, 8, 0, 0, 0, 2, 3, 1, 0, 0, 2, 4, 0, 1, 0, 2, 6, 1, 1, -1, 2, 8, 0, 0, 1, 2, 9, 0, 0, 0, 2, 10, 0, 0, 0, 3, 4, -1, 0, 1, 3, 5, 0, 0, 0, 3, 6, 0, 0, 0, 3, 8, 0, 0, 1, 3, 11, 0, 0, 0, 4, 6, 1, 0, 0, 4, 8, 0, -1, 1, 4, 9, 0, -1, 0, 4, 12, 0, 0, 0, 5, 9, -1, 0, 0, 5, 12, 0, 1, -1, 6, 7, 0, 0, 0, 6, 8, 0, -1, 1, 6, 11, 0, 0, 0, 7, 9, -1, -1, 0, 7, 10, 0, 0, -1, 8, 10, 0, 0, -1, 8, 12, 0, 1, -1, 10, 11, 1, 0, 0, 11, 12, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.85549 | 2.85549 | 6.25773 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.2029 | 0.10145 | 0.25758 |
| 0.14493 | 0.28986 | 0.19697 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.49459 | 2.49459 | 4.39507 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.26729 | 0.13364 | 0.27575 |
| 0.15066 | 0.30132 | 0.09685 |
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 |
|---|---|---|---|---|---|
 |
hqc1682 | *2626 | (2,5,5) | {7,4} | {6.4.3.4.4.3.4}{3.4.6.4} |