s-net: sqc280
 |
|
| 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 | 9 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {4,5} |
| Vertex coordination sequence | [(4, 12, 30, 58, 94, 138, 190, 250, 318, 394), (5, 14, 31, 58, 94, 138, 190, 250, 318, 394)] |
| Wells’ vertex symbol | [4^2.6^3.8, 4^4.6^6] |
| 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, 2, 4, 0, 0, 1, 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 |
|---|---|---|---|---|---|
| 1.78937 | 2.31048 | 1.26564 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.2 | 0.5 |
| 0.5 | 0.1 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.99995 | 2.0001 | 1.00005 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.5 |
| 0.5 | 0.24997 | 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 |
|---|---|---|---|---|---|
 |
hqc1046 | *222222 | (2,5,3) | {5,4} | {4.8.6.8.4}{8.8.6.6} |