s-net: sqc63
 |
|
| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 3 |
| Edges per primitive translational unit | 7 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {6,4} |
| Vertex coordination sequence | [(6, 16, 36, 64, 100, 144, 196, 256, 324, 400), (4, 12, 32, 62, 98, 142, 194, 254, 322, 398)] |
| Wells’ vertex symbol | [3^2.6^10.7^2.8, 3^2.4.6^2.7] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 2, 3, 0, 0, 0, 2, 3, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.59635 | 1.95513 | 1.59635 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0.16667 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.73204 | 1.99995 | 1.0001 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0.24999 | 0 |
Edge end points:
Hyperbolic sources
h-nets with faithful topology
2 records listed.| Image | h-net name | Orbifold symbol | Transitivity (Vert,Edge,Face) | Vertex Degree | 2D Vertex Symbol |
|---|---|---|---|---|---|
 |
hqc472 | *22222 | (2,4,2) | {4,6} | {3.8.8.3}{3.8.8.3.8.8} |
 |
hqc481 | *222222 | (2,4,2) | {4,6} | {6.8.8.6}{6.8.8.6.8.8} |