s-net: sqc2779
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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 | {3,6} |
| Vertex coordination sequence | [(3, 11, 36, 79, 116, 169, 252, 321, 398, 507), (6, 21, 48, 82, 131, 188, 253, 336, 422, 519)] |
| Wells’ vertex symbol | [4.5^2, 4^3.5^6.6^4.7^2] |
| 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, 1, 6, 0, 0, 0, 2, 3, 0, 1, 0, 2, 6, 0, 0, 1, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, 0, -1, 1, 3, 5, 0, -1, 1, 3, 6, 0, 0, 1, 3, 6, 1, 0, 1, 4, 5, -1, 0, 0, 6, 7, 0, -1, 0, 6, 8, 0, -1, 0, 7, 8, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Imma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.78343 | 2.52175 | 4.36886 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0.16667 |
| 0 | 0 | 0.33333 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Imma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.67303 | 2.88315 | 2.89114 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.29883 | 0.25 | 0.15288 |
| 0 | 0.07657 | 0.6552 |
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 |
|---|---|---|---|---|---|
 |
hqc992 | *222222 | (2,5,3) | {6,3} | {4.6.8.8.6.4}{6.8.8} |