s-net: sqc13
 |
|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | sqp |
| Keywords | sphere packing |
| Fisher-Koch-Sowa symbol | 5/4/t6 |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 2 |
| Edges per primitive translational unit | 5 |
| Transitivity (vertex,edge) | (1,2) |
| Vertex degrees | {5} |
| Vertex coordination sequence | [(5, 16, 33, 58, 89, 128, 173, 226, 285, 352)] |
| Wells’ vertex symbol | [4^4.6^6] |
| Systre key | (3, 1, 2, -1, 1, 1, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.29503 | 1.29503 | 2.89578 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.8 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.33329 | 1.33329 | 2.66687 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.81251 |
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 |
|---|---|---|---|---|---|
 |
hqc128 | 2*222 | (1,3,2) | {5} | {4.6.6.6.4} |
