s-net: sqc213
 |
|
| 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 | 9 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {12,3} |
| Vertex coordination sequence | [(12, 54, 132, 246, 396, 582, 804, 1062, 1356, 1686), (3, 19, 77, 174, 306, 474, 678, 918, 1194, 1506)] |
| Wells’ vertex symbol | [3^10.4^24.5^23.6^7.7^2, 3.4^2] |
| Systre key | (3, 1, 1, -1, -1, 0, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 1, 2, 0, 0, -1, 1, 2, 0, 0, 0, 1, 3, 0, 0, -1, 1, 3, 0, 0, 0, 2, 3, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.29043 | 2.58231 | 1.29102 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.25 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.92781 | 1.79309 | 0.97376 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.00769 | 0 | 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 |
|---|---|---|---|---|---|
 |
hqc991 | *222222 | (2,5,3) | {12,3} | {4.6.4.4.6.4.4.6.4.4.6.4}{6.4.4} |
