s-net: sqc179
 |
|
| 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, 13, 28, 55, 87, 120, 169, 229, 284, 351), (3, 9, 28, 51, 81, 128, 171, 217, 288, 359)] |
| Wells’ vertex symbol | [4^3.6.8^6, 4.8^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 2, 2, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 3, 0, 1, 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 |
|---|---|---|---|---|---|
| 1.9411 | 1.18833 | 2.37729 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.125 | 0 | 0 |
| 0.5 | 0 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.85255 | 0.50206 | 1.04782 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.24775 | 0 | 0 |
| 0.5 | 0 | 0.11002 |
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 |
|---|---|---|---|---|---|
 |
hqc674 | *22222 | (2,4,3) | {5,3} | {4.8.4.8.4}{8.8.4} |