s-net: sqc138
 |
|
| 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) | (2,4) |
| Vertex degrees | {5,3} |
| Vertex coordination sequence | [(5, 14, 29, 50, 77, 110, 149, 194, 245, 302), (3, 10, 27, 50, 77, 110, 149, 194, 245, 302)] |
| Wells’ vertex symbol | [4^2.6^8, 6^3] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 2, 4, 0, 0, 0, 3, 3, -1, 0, 0, 3, 4, 0, 0, 1, 3, 4, 0, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.6394 | 2.84102 | 1.15973 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.33333 | 0 |
| 0.5 | 0.16667 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.73325 | 2.99786 | 1.00003 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.33322 | 0 |
| 0.5 | 0.16678 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc620 | *22222 | (2,4,3) | {5,3} | {4.6.6.6.4}{6.6.6} |
