s-net: sqc2792
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 8 |
| Edges per primitive translational unit | 18 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {5,4} |
| Vertex coordination sequence | [(5, 13, 30, 57, 93, 131, 173, 234, 304, 366), (4, 10, 30, 51, 85, 131, 183, 227, 287, 375)] |
| Wells’ vertex symbol | [3.4^2.6.7^2.8^4, 3^2.4.7^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, 0, 0, 0, 3, 7, 0, 1, 0, 3, 8, 0, 0, 1, 4, 6, 1, 1, 0, 4, 8, 0, 0, 1, 5, 6, 1, 2, -1, 5, 7, 1, 2, -1, 5, 8, 0, 0, 0, 5, 8, 1, 0, 0, 6, 7, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.2087 | 5.10085 | 2.20954 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.125 | 0.66667 |
| 0.08333 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.95675 | 4.89043 | 2.17966 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.64579 | 0.29361 |
| 0.13722 | 0 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc1043 | *22222 | (2,5,3) | {5,4} | {4.8.3.8.4}{8.8.3.3} |