s-net: sqc7928
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 18 |
| Edges per primitive translational unit | 32 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {3,8} |
| Vertex coordination sequence | [(3, 10, 27, 39, 61, 110, 131, 161, 251, 285), (8, 16, 16, 52, 88, 72, 146, 232, 180, 268)] |
| Wells’ vertex symbol | [4.6^2, 6^8.8^4.10^12.12^4] |
| 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, 1, 9, 0, 0, 0, 2, 7, 1, 0, 0, 2, 10, 0, 0, 0, 3, 6, 0, 1, 0, 3, 11, 0, 0, 0, 4, 9, 1, 0, 0, 4, 12, 0, 0, 0, 5, 8, 0, 1, 0, 5, 13, 0, 0, 0, 6, 14, 0, 0, 0, 7, 15, 0, 0, 0, 8, 16, 0, 0, 0, 9, 17, 0, 0, 0, 10, 15, 1, 0, 0, 10, 18, 0, 0, 0, 11, 14, 0, 1, 0, 11, 18, -1, 1, 0, 12, 17, 1, 0, 0, 12, 18, 0, 0, 1, 13, 16, 0, 1, 0, 13, 18, 0, 0, 1, 14, 18, 0, 0, 0, 15, 18, -1, 1, 0, 16, 18, -1, -1, 1, 17, 18, -1, -1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P42/nnm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.76549 | 2.76549 | 4.10006 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.21667 | 0.11667 | 0.08333 |
| 0.25 | 0.75 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P42/nnm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.62432 | 2.62432 | 3.9116 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.20735 | 0.06431 | 0.10833 |
| 0.25 | 0.75 | 0.25 |
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 |
|---|---|---|---|---|---|
 |
hqc72 | *248 | (2,2,2) | {3,8} | {4.6.6}{6.6.6.6.6.6.6.6} |