s-net: sqc3271
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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 | 20 |
| Transitivity (vertex,edge) | (4,5) |
| Vertex degrees | {3,4,3,4} |
| Vertex coordination sequence | [(3, 5, 10, 23, 49, 106, 183, 285, 430, 597), (4, 10, 24, 56, 108, 192, 312, 458, 644, 862), (3, 6, 13, 28, 61, 120, 203, 312, 463, 652), (4, 12, 32, 72, 134, 234, 374, 538, 726, 938)] |
| Wells’ vertex symbol | [4.8^2, 8^4.10.14, 4.8^2, 8^4.10.12] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 2, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 5, 0, 1, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 9, 0, 0, 0, 4, 10, 0, 0, 0, 5, 5, 0, 0, -1, 6, 9, -1, 0, -1, 6, 10, -1, 0, -1, 7, 11, 0, 0, 0, 7, 12, 0, 0, 0, 8, 11, -1, 0, 1, 8, 12, -1, 0, 1, 9, 12, 0, -1, 1, 10, 11, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.1622 | 2.1622 | 3.94855 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.125 |
| 0.5 | 0.5 | 0.25 |
| 0.16667 | 0.16667 | 0.25 |
| 0.5 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.87048 | 0.87048 | 4.69783 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.08675 |
| 0.5 | 0.5 | 0.25 |
| 0.42013 | 0.42013 | 0.25 |
| 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc1494 | *22222 | (4,5,2) | {4,4,3,3} | {8.8.8.8}{8.8.8.8}{8.4.8}{8.8.4} |