s-net: sqc721
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 3 |
| Edges per primitive translational unit | 12 |
| Transitivity (vertex,edge) | (3,3) |
| Vertex degrees | {16,4,4} |
| Vertex coordination sequence | [(16, 64, 148, 268, 424, 616, 844, 1108, 1408, 1744), (4, 44, 122, 236, 386, 572, 794, 1052, 1346, 1676), (4, 38, 112, 220, 364, 544, 760, 1012, 1300, 1624)] |
| Wells’ vertex symbol | [3^8.4^68.5^28.6^16, 3^4.4^2, 4^6] |
| Systre key | (3, 1, 1, -1, -1, -1, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 1, 2, -1, -1, -1, 1, 2, -1, -1, 0, 1, 2, 0, -1, 0, 1, 2, 0, 0, 0, 1, 3, -2, -1, -1, 1, 3, -1, -1, 0, 1, 3, -1, 0, -1, 1, 3, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.29339 | 1.29339 | 1.82914 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0.25 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.49358 | 1.49358 | 0.95785 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0.25 |
| 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 |
|---|---|---|---|---|---|
 |
hqc304 | *4444 | (3,3,2) | {16,4,4} | {3.3.12.12.3.3.12.12.3.3.12.12.3... |