s-net: sqc247
 |
|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | btu |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 3 |
| Edges per primitive translational unit | 9 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {6,6} |
| Vertex coordination sequence | [(6, 18, 38, 66, 102, 146, 198, 258, 326, 402), (6, 16, 36, 64, 100, 144, 196, 256, 324, 400)] |
| Wells’ vertex symbol | [3^2.4^9.6^4, 3^2.4^8.6^5] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 2, 2, -1, 0, 0, 2, 3, 0, 0, -1, 2, 3, 0, 1, -1, 3, 3, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.01544 | 1.75861 | 2.1545 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.33333 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.99999 | 1.73206 | 2.00002 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.25001 |
| 0 | 0 | 0.5 |
Edge end points:
Hyperbolic sources
h-nets with faithful topology
3 records listed.| Image | h-net name | Orbifold symbol | Transitivity (Vert,Edge,Face) | Vertex Degree | 2D Vertex Symbol |
|---|---|---|---|---|---|
 |
hqc1053 | *222222 | (2,5,3) | {6,6} | {4.4.6.6.4.4}{4.4.6.4.4.6} |
 |
hqc1056 | *222222 | (2,5,3) | {6,6} | {4.8.3.3.8.4}{8.8.3.8.8.3} |
 |
hqc1049 | *22222 | (2,5,3) | {6,6} | {4.4.3.3.4.4}{4.4.3.4.4.3} |