s-net: sqc3276
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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 | {3,3,4,4} |
| Vertex coordination sequence | [(3, 6, 15, 34, 63, 110, 179, 274, 420, 602), (3, 6, 15, 34, 61, 108, 181, 284, 425, 610), (4, 10, 20, 36, 72, 138, 230, 364, 528, 724), (4, 10, 20, 36, 68, 126, 204, 304, 426, 594)] |
| Wells’ vertex symbol | [4.8^2, 4.8^2, 8^4.13.14, 8^4.12^2] |
| 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, 3, 4, 0, 1, 0, 3, 5, 0, 1, 0, 4, 6, 0, 0, 0, 5, 7, 0, 0, 0, 6, 6, -1, -1, 0, 6, 8, 0, 0, 0, 7, 7, -1, 1, 0, 7, 9, 0, 0, 0, 8, 10, 0, 0, 0, 8, 11, 0, 0, 0, 9, 10, 0, 0, 1, 9, 11, 0, 0, 1, 10, 12, 0, 0, 0, 11, 12, -1, 0, 0, 12, 12, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.61149 | 1.61149 | 7.20898 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.16667 | 0 | 0 |
| 0 | 0 | 0.41667 |
| 1 | 0 | 0.25 |
| 0.5 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.78798 | 0.78798 | 7.26306 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.2171 | 0 | 0 |
| 0 | 0 | 0.38946 |
| 1 | 0 | 0.25 |
| 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc138 | *2224 | (2,3,2) | {3,4} | {4.8.8}{8.8.8.8} |