s-net: sqc187
 |
|
| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 4 |
| Edges per primitive translational unit | 8 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {4,4} |
| Vertex coordination sequence | [(4, 12, 28, 50, 78, 112, 154, 204, 254, 316), (4, 12, 26, 50, 78, 112, 156, 198, 258, 322)] |
| Wells’ vertex symbol | [6^6, 6^5.8] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 2, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 3, 0, 0, 1, 2, 4, 0, 1, 1, 3, 4, -1, 0, 0, 3, 4, 1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.28397 | 1.641 | 2.01131 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.16667 |
| 0.25 | 0.25 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.86363 | 1.99774 | 1.4628 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.02267 |
| 0.25 | 0.25 | 0.5 |
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 |
|---|---|---|---|---|---|
 |
hqc12 | *248 | (1,1,1) | {4} | {8.8.8.8} |