s-net: sqc1969
 |
|
| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {6,5} |
| Vertex coordination sequence | [(6, 22, 40, 70, 110, 170, 216, 270, 356, 462), (5, 16, 43, 74, 111, 150, 219, 294, 357, 418)] |
| Wells’ vertex symbol | [3^2.5^5.6^6.7^2, 3^2.4^2.5^4.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, -1, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 2, 5, 0, 0, 0, 2, 5, 1, -1, 0, 2, 6, 0, 0, 0, 2, 6, 0, 1, 0, 3, 4, -1, 1, 0, 3, 4, 0, 1, 0, 3, 6, 0, 0, 1, 4, 5, 1, -2, 1, 5, 6, -1, 1, 0, 5, 6, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.29445 | 1.647 | 2.85153 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.66667 |
| 0.25 | 0 | 0.16667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.83738 | 1.9982 | 2.06621 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.51731 |
| 0.25 | 0 | 0.242 |
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 |
|---|---|---|---|---|---|
 |
hqc612 | *22222 | (2,4,3) | {5,6} | {4.3.6.3.4}{3.6.6.3.6.6} |