s-net: sqc183
 |
|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | pts |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 4 |
| Edges per primitive translational unit | 8 |
| Transitivity (vertex,edge) | (2,1) |
| Vertex degrees | {4,4} |
| Vertex coordination sequence | [(4, 10, 24, 42, 64, 92, 124, 162, 204, 252), (4, 10, 24, 42, 64, 90, 124, 162, 204, 250)] |
| Wells’ vertex symbol | [4^2.8^4, 4^2.8^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 2, 4, 0, 0, 0, 2, 4, 1, 0, 0, 3, 4, 0, 0, 1, 3, 4, 0, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P42/mmc
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.63299 | 1.63299 | 2.3094 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0 |
| 0.5 | 0.5 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P42/mmc
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.63299 | 1.63299 | 2.3094 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0 |
| 0.5 | 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc22 | *248 | (1,1,2) | {4} | {4.8.4.8} |