s-net: sqc251
 |
|
| 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 | 9 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {6,3} |
| Vertex coordination sequence | [(6, 18, 38, 66, 102, 146, 198, 258, 326, 402), (3, 10, 29, 58, 94, 138, 190, 250, 318, 394)] |
| Wells’ vertex symbol | [4^6.6^9, 4^2.6] |
| 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, 4, 0, 0, 0, 2, 4, 0, 1, 0, 3, 4, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.26567 | 1.78991 | 2.30962 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.2 |
| 0 | 0.5 | 0.1 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.00005 | 1.99994 | 2.0001 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.25 |
| 0 | 0.5 | 0.24997 |
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 |
|---|---|---|---|---|---|
 |
hqc1058 | *222222 | (2,5,3) | {6,3} | {4.8.6.6.8.4}{8.8.6} |
 |
hqc990 | *22222 | (2,5,3) | {6,3} | {4.6.4.4.6.4}{6.4.4} |
