s-net: sqc6978
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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 | 28 |
| Transitivity (vertex,edge) | (3,3) |
| Vertex degrees | {3,3,4} |
| Vertex coordination sequence | [(3, 6, 12, 23, 40, 57, 70, 96, 135, 172), (3, 7, 13, 23, 38, 57, 81, 101, 131, 160), (4, 8, 16, 24, 32, 60, 90, 112, 120, 142)] |
| Wells’ vertex symbol | [6^2.8, 6.8^2, 8^4.14^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 8, 0, 0, 0, 3, 9, 0, 0, 0, 4, 10, 0, 0, 0, 4, 11, 0, 0, 0, 5, 12, 0, 0, 0, 5, 13, 0, 0, 0, 6, 12, 1, 0, 0, 6, 14, 0, 0, 0, 7, 13, 1, 0, 0, 7, 15, 0, 0, 0, 8, 10, 0, 1, 0, 8, 16, 0, 0, 0, 9, 11, 0, 1, 0, 9, 17, 0, 0, 0, 10, 17, 0, 0, 1, 11, 16, 0, -2, -1, 12, 15, -1, 1, 1, 13, 14, -1, -1, -1, 14, 18, 0, 0, 0, 15, 18, 0, -2, -1, 16, 18, 0, 0, 0, 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 |
|---|---|---|---|---|---|
| 4.01939 | 4.01939 | 3.11411 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.2 | 0.3 | 0 |
| 0.05 | 0.25 | 0.25 |
| 0.75 | 0.25 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P42/nnm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.84848 | 3.84848 | 2.96465 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.15813 | 0.34187 | 0 |
| 0.00984 | 0.25 | 0.25 |
| 0.75 | 0.25 | 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 |
|---|---|---|---|---|---|
 |
hqc514 | *2224 | (3,3,2) | {3,3,4} | {6.8.6}{6.8.8}{8.8.8.8} |