s-net: sqc27
 |
|
| 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 | 6 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {6,3} |
| Vertex coordination sequence | [(6, 16, 32, 56, 86, 122, 166, 216, 272, 336), (3, 11, 30, 55, 85, 122, 165, 215, 272, 335)] |
| Wells’ vertex symbol | [4^2.6^10.8^3, 4.6^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 2, 3, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.44349 | 1.44349 | 2.0414 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.61109 | 1.00008 | 2.185 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0 | 0.27117 |
Edge end points:
Hyperbolic sources
h-nets with faithful topology
2 records listed.| Image | h-net name | Orbifold symbol | Transitivity (Vert,Edge,Face) | Vertex Degree | 2D Vertex Symbol |
|---|---|---|---|---|---|
 |
hqc277 | *22222 | (2,3,2) | {3,6} | {6.6.6}{6.6.6.6.6.6} |
 |
hqc291 | *22222 | (2,3,2) | {3,6} | {8.4.8}{8.8.4.8.8.4} |
