s-net: sqc464
 |
|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | fee |
| Keywords | sphere packing |
| Fisher-Koch-Sowa symbol | 5/4/t4 |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 4 |
| Edges per primitive translational unit | 10 |
| Transitivity (vertex,edge) | (1,3) |
| Vertex degrees | {5} |
| Vertex coordination sequence | [(5, 13, 26, 45, 69, 98, 133, 173, 218, 269)] |
| Wells’ vertex symbol | [4^7.6^3] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 0, 1, 0, 2, 4, 0, 0, 1, 3, 3, -1, 0, 0, 3, 4, 0, 0, 1, 4, 4, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.61209 | 2.61209 | 0.92346 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.41423 | 2.41423 | 0.99999 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.20711 | 0.5 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc4 | *245 | (1,1,1) | {5} | {4.4.4.4.4} |
 |
hqc109 | *2244 | (1,3,3) | {5} | {4.8.4.4.8} |
