s-net: sqc2891
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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) | (3,5) |
| Vertex degrees | {4,6,4} |
| Vertex coordination sequence | [(4, 16, 40, 80, 140, 210, 296, 394, 508, 636), (6, 12, 36, 68, 124, 198, 284, 384, 494, 628), (4, 12, 26, 56, 106, 170, 254, 358, 464, 582)] |
| Wells’ vertex symbol | [6^4.8^2, 3^2.6^6.7^6.8, 3^2.4.6^2.7] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 2, -1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 3, 0, 0, 1, 2, 4, 0, 1, 1, 3, 5, 0, 0, 0, 3, 6, 0, 0, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 5, 1, -1, 0, 4, 6, 1, -1, 0, 4, 7, -1, 0, 0, 4, 8, -1, 0, 0, 5, 6, 0, 0, 0, 5, 6, 1, 0, 1, 7, 8, 0, 0, 0, 7, 8, 1, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.18691 | 2.59279 | 1.83334 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.16667 |
| 0.25 | 0.25 | 0.5 |
| 0.25 | 0 | 0.33333 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.08229 | 2.42246 | 2.22329 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.03262 |
| 0.25 | 0.25 | 0.5 |
| 0.25 | 0 | 0.23025 |
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 |
|---|---|---|---|---|---|
 |
hqc1102 | *22222 | (3,5,2) | {4,6,4} | {3.6.6.3}{3.6.6.3.6.6}{6.6.6.6} |