s-net: sqc74
 |
|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | tfo |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 4 |
| Edges per primitive translational unit | 7 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {3,4} |
| Vertex coordination sequence | [(3, 8, 20, 36, 57, 82, 109, 144, 182, 222), (4, 10, 20, 38, 58, 80, 112, 144, 180, 226)] |
| Wells’ vertex symbol | [6.8^2, 6^4.8.10] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 2, 3, 0, 0, 1, 2, 4, 0, 1, 0, 3, 4, -1, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.16542 | 4.33236 | 3.0629 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.125 | 0 |
| 0 | 0.25 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.00003 | 4.37358 | 3.21962 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.11432 | 0 |
| 0 | 0.25 | 0.25 |
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 |
|---|---|---|---|---|---|
 |
hqc480 | *22222 | (2,4,2) | {4,3} | {6.8.8.6}{6.8.8} |
