s-net: sqc2927
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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, 14, 31, 58, 94, 138, 191, 254, 325, 404), (4, 12, 28, 54, 91, 136, 190, 252, 322, 404)] |
| Wells’ vertex symbol | [4^4.6^6, 4^2.6^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 4, 0, 1, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 6, 0, 0, 1, 3, 7, -1, 0, 0, 3, 8, 0, 0, 0, 4, 6, 0, -2, 0, 4, 8, 0, 0, 0, 5, 6, 0, 0, 1, 5, 6, 1, 0, 1, 5, 7, 0, 0, 1, 5, 8, 1, 2, 1, 7, 8, 1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.05162 | 2.19637 | 1.79029 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.125 | 0 | 0 |
| 0.25 | 0.08333 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.63242 | 2.37729 | 1.69165 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.11729 | 0 | 0 |
| 0.25 | 0.12469 | 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 |
|---|---|---|---|---|---|
 |
hqc1040 | *22222 | (2,5,3) | {5,4} | {4.4.6.4.4}{4.4.6.6} |