s-net: sqc1870
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {4,8} |
| Vertex coordination sequence | [(4, 17, 51, 100, 166, 248, 332, 452, 570, 708), (8, 28, 62, 116, 184, 262, 360, 472, 598, 740)] |
| Wells’ vertex symbol | [3.4.5^4, 3^4.4^4.5^8.6^8.7^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 1, 2, 1, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 0, 0, 0, 2, 4, -1, -1, 0, 2, 5, -1, 0, 0, 2, 6, 0, -1, 0, 3, 5, 0, 0, 1, 3, 6, 1, 0, 1, 4, 5, 1, 0, 1, 4, 6, 2, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P-42m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.76761 | 1.76761 | 2.02543 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.375 | 0.625 | 0.33333 |
| 0 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P-42m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.41442 | 1.41442 | 2.59389 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.3686 | 0.6314 | 0.32107 |
| 0 | 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc689 | *2244 | (2,3,4) | {8,4} | {4.3.6.3.4.3.6.3}{3.6.4.6} |