s-net: sqc2307
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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) | (2,4) |
| Vertex degrees | {4,12} |
| Vertex coordination sequence | [(4, 16, 62, 162, 301, 469, 670, 904, 1174, 1472), (12, 54, 132, 240, 384, 558, 768, 1014, 1280, 1596)] |
| Wells’ vertex symbol | [3.4^2.5^3, 3^6.4^18.5^21.6^18.8^3] |
| Systre key | (3, 1, 1, -1, -1, 0, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 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, 2, 3, 0, 1, 0, 2, 4, 1, 1, 0, 2, 7, 0, 0, 1, 3, 4, 1, 0, 0, 3, 6, 0, -1, 1, 4, 5, -1, -1, 1, 5, 6, 1, 0, 0, 5, 7, 1, 1, 0, 6, 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 |
|---|---|---|---|---|---|
| 1.72021 | 1.72021 | 7.8853 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.22222 | 0.11111 | 0.22222 |
| 0 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.29055 | 1.29055 | 8.96919 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.24667 | 0.12334 | 0.1107 |
| 0 | 0 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc212 | *2626 | (2,4,2) | {4,12} | {12.4.4.12}{4.4.4.4.4.4.4.4.4.4.... |