s-net: sqc7861
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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 | 32 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {4,8} |
| Vertex coordination sequence | [(4, 17, 55, 112, 182, 289, 400, 538, 686, 861), (8, 30, 66, 128, 208, 304, 422, 556, 710, 880)] |
| Wells’ vertex symbol | [3.4.5^2.6^2, 3^4.4^2.5^8.6^9.7^4.8] |
| 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, 4, 0, 0, 0, 2, 6, 0, 0, 1, 2, 8, 0, 0, 0, 3, 5, 0, 0, 0, 3, 7, 0, 0, 1, 3, 9, 0, 0, 0, 4, 7, 0, -1, 0, 4, 8, -1, -1, -1, 4, 10, 0, 0, -1, 4, 10, 0, 0, 0, 4, 11, 0, 0, 0, 5, 6, -1, 0, 0, 5, 9, 0, 1, 0, 5, 10, -1, 0, -1, 5, 10, 0, 1, 0, 5, 12, 0, 0, 0, 6, 12, 1, 1, 0, 7, 11, -1, 0, -1, 8, 10, 1, 1, 0, 8, 12, 1, 1, 1, 9, 10, 0, 0, 0, 9, 11, -1, 0, 0, 10, 11, 0, 0, 0, 10, 12, 1, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I41/a
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.81259 | 2.81259 | 2.76955 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.0625 | 0.0625 | 0.20833 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I41/a
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.31121 | 2.31121 | 2.31484 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.26953 | 0.18058 | 0.21448 |
| 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 |
|---|---|---|---|---|---|
 |
hqc689 | *2244 | (2,3,4) | {8,4} | {4.3.6.3.4.3.6.3}{3.6.4.6} |