s-net: sqc80
 |
|
| 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 | {12,4} |
| Vertex coordination sequence | [(12, 42, 92, 162, 252, 362, 492, 642, 812, 1002), (4, 28, 80, 150, 240, 350, 480, 630, 800, 990)] |
| Wells’ vertex symbol | [3^16.4^34.5^14.6^2, 3^2.4^2.5^2] |
| Systre key | (3, 1, 1, -1, -2, 0, 1, 1, -1, -1, 0, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, -1, -1, 0, 1, 2, -1, -1, 1, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.95425 | 0.82603 | 1.65285 | 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 |
|---|---|---|---|---|---|
| 0.8014 | 0.80122 | 1.90374 | 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 |
|---|---|---|---|---|---|
 |
hqc645 | *222222 | (2,4,3) | {12,4} | {4.6.3.3.6.4.4.6.3.3.6.4}{6.3.6.3} |