s-net: sqc77
 |
|
| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 2 |
| Edges per primitive translational unit | 8 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {10,6} |
| Vertex coordination sequence | [(10, 42, 106, 202, 330, 490, 682, 906, 1162, 1450), (6, 28, 86, 174, 294, 446, 630, 846, 1094, 1374)] |
| Wells’ vertex symbol | [3^6.4^18.5^14.6^7, 3^6.4^8.5] |
| Systre key | (3, 1, 1, -2, 0, -1, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 1, 2, -2, 0, -1, 1, 2, -1, 0, -1, 1, 2, -1, 0, 0, 1, 2, 0, 0, 0, 2, 2, -1, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.75642 | 1.01406 | 0.87806 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.19208 | 0.74366 | 1.19111 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc609 | *22222 | (2,4,3) | {10,6} | {4.3.3.3.4.4.3.3.3.4}{3.3.3.3.3.3} |