s-net: sqc383
 |
|
| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 4 |
| Edges per primitive translational unit | 10 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {7,3} |
| Vertex coordination sequence | [(7, 19, 39, 69, 107, 153, 209, 273, 345, 427), (3, 9, 28, 57, 95, 142, 197, 261, 334, 415)] |
| Wells’ vertex symbol | [4^17.6^4, 4.8^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, -2, 1, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 1, -1, 0, 2, 4, 1, -1, 0, 3, 4, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.6908 | 0.95155 | 2.19697 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.5 | 0 | 0.375 |
| 0.25 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.94069 | 0.94132 | 0.53079 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.5 | 0 | 0.0498 |
| 0.17005 | 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 |
|---|---|---|---|---|---|
 |
hqc1311 | *222222 | (2,5,4) | {7,3} | {4.4.8.4.8.4.4}{8.8.4} |