s-net: sqc7225
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 15 |
| Edges per primitive translational unit | 30 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {8,3} |
| Vertex coordination sequence | [(8, 28, 66, 128, 208, 300, 412, 546, 690, 862), (3, 9, 33, 83, 161, 252, 363, 485, 633, 792)] |
| Wells’ vertex symbol | [3^4.6^6.7^6.8^4.9^4.12^2.13^2, 3.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 5, 1, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 2, 3, 0, 0, 0, 2, 8, 0, 0, 0, 3, 9, 0, 0, 0, 4, 5, 0, -1, 0, 4, 5, 1, 0, 0, 4, 9, 0, 0, 1, 4, 10, 0, 0, 0, 4, 11, 0, 0, 0, 4, 12, 0, 0, 0, 5, 8, 0, 1, 1, 5, 13, 0, 0, 0, 5, 14, 0, 0, 0, 5, 15, 0, 0, 0, 6, 7, 0, 0, 0, 6, 11, 0, 1, 1, 7, 13, 1, 1, 1, 8, 15, 0, -1, -1, 9, 12, 0, 0, -1, 10, 11, 0, 0, 0, 10, 15, 0, -1, -1, 12, 14, 1, 0, 1, 13, 14, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.7924 | 3.7924 | 7.5274 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.5 |
| 0.25 | 0.08333 | 0.05556 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.00128 | 2.00128 | 8.10817 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.5 |
| 0.06074 | 0.43873 | 0.06028 |
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 |
|---|---|---|---|---|---|
 |
hqc1396 | *2626 | (2,4,4) | {3,8} | {12.8.3}{3.8.6.8.3.8.6.8} |