s-net: sqc2177
 |
|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | uot |
| Keywords | sphere packing |
| Fisher-Koch-Sowa symbol | 4/4/t19 |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 8 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (1,3) |
| Vertex degrees | {4} |
| Vertex coordination sequence | [(4, 11, 24, 43, 68, 98, 132, 171, 218, 269)] |
| Wells’ vertex symbol | [4.6^4.8] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, 1, 0, 0, 2, 4, 0, 1, 0, 2, 6, 0, 0, 0, 3, 5, 0, 0, 1, 3, 7, 0, 0, 0, 4, 6, 0, -1, 1, 4, 8, 0, 0, 0, 5, 7, 1, -1, 0, 5, 8, 0, 0, 0, 6, 7, 1, 0, 0, 6, 8, 1, 0, 0, 7, 8, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I-42m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.09752 | 3.09752 | 2.86854 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.14286 | 0.42857 | 0.16667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I-42m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.96494 | 2.96494 | 2.87099 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.18132 | 0.41981 | 0.15321 |
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 |
|---|---|---|---|---|---|
 |
hqc59 | *488 | (1,2,3) | {4} | {4.16.8.16} |