s-net: sqc3799
 |
|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | yfy |
| Keywords | sphere packing |
| Fisher-Koch-Sowa symbol | 5/4/t8 |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 8 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (1,3) |
| Vertex degrees | {5} |
| Vertex coordination sequence | [(5, 14, 30, 52, 79, 114, 155, 200, 254, 314)] |
| Wells’ vertex symbol | [4^6.6^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 1, 0, 0, 2, 6, 0, 1, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, 0, 0, 1, 3, 5, -1, 1, -1, 3, 6, 0, 1, 0, 4, 5, -1, 1, -1, 4, 7, 0, 0, 0, 4, 8, -1, 0, -1, 5, 7, 0, -1, 1, 5, 8, 0, 0, 0, 6, 7, 0, -1, 1, 6, 8, -1, 0, -1, 7, 8, -1, 1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.58833 | 2.58833 | 3.16951 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.33333 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.62177 | 2.62177 | 3.04098 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.2697 | 0.33558 |
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 |
|---|---|---|---|---|---|
 |
hqc4 | *245 | (1,1,1) | {5} | {4.4.4.4.4} |