s-net: sqc4009
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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 | 22 |
| Transitivity (vertex,edge) | (4,6) |
| Vertex degrees | {4,4,4,3} |
| Vertex coordination sequence | [(4, 12, 32, 72, 154, 294, 486, 746, 1062, 1430), (4, 10, 24, 60, 118, 238, 394, 634, 926, 1288), (4, 6, 12, 26, 56, 122, 224, 386, 606, 906), (3, 6, 15, 28, 69, 138, 260, 429, 689, 999)] |
| Wells’ vertex symbol | [8^4.10.12, 8^4.10^2, 3^2.4.8^2.9, 3.8^2] |
| Systre key | (3, 1, 1, -2, 0, -1, 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, 4, 0, 1, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 4, 0, 0, -1, 5, 9, 0, 0, 0, 5, 10, 0, 0, 0, 6, 9, -1, 0, 0, 6, 10, -1, 0, 0, 7, 11, 0, 0, 0, 7, 12, 0, 0, 0, 8, 11, -1, 0, -1, 8, 12, -1, 0, -1, 9, 10, 0, 0, 0, 9, 10, 1, 0, 1, 11, 12, 0, 0, 0, 11, 12, 1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.9112 | 1.9112 | 6.61984 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.25 |
| 0 | 0 | 0 |
| 0.5 | 0.16667 | 0 |
| 0.33333 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.72663 | 0.72663 | 4.29601 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.25 |
| 0 | 0 | 0 |
| 0.5 | 0.14852 | 0 |
| 0.47854 | 0 | 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 |
|---|---|---|---|---|---|
 |
hqc1762 | *22222 | (4,6,2) | {4,3,4,4} | {3.8.8.3}{3.8.8}{8.8.8.8}{8.8.8.8} |