s-net: sqc238
 |
|
| 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 | 9 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {7,4} |
| Vertex coordination sequence | [(7, 23, 56, 105, 165, 244, 339, 443, 568, 709), (4, 18, 52, 98, 162, 244, 326, 446, 564, 698)] |
| Wells’ vertex symbol | [3^2.4^9.5^8.6^2, 3^2.4^2.5^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 3, 0, 2, 0, 2, 3, -1, 0, 1, 2, 3, 0, 0, 1, 3, 3, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.05764 | 1.25921 | 1.02818 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.375 | 0.5 | 0 |
| 0 | 0.5 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.65246 | 0.48155 | 1.00088 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.32661 | 0.5 | 0 |
| 0 | 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc921 | *22222 | (2,4,4) | {7,4} | {4.4.3.4.3.4.4}{3.4.3.4} |