s-net: sqc4256
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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 | 22 |
| Transitivity (vertex,edge) | (4,5) |
| Vertex degrees | {4,4,6,8} |
| Vertex coordination sequence | [(4, 12, 40, 86, 160, 252, 338, 488, 606, 772), (4, 16, 48, 96, 184, 254, 374, 492, 644, 782), (6, 22, 56, 118, 196, 270, 408, 514, 668, 830), (8, 26, 64, 128, 190, 298, 398, 538, 668, 860)] |
| Wells’ vertex symbol | [4^4.6^2, 4^4.6^2, 3^2.4^6.5^6.7, 3^4.4^8.5^8.6^7.8] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 4, -1, 0, 0, 3, 4, 0, 1, 0, 3, 5, 0, 0, 0, 3, 6, -1, 0, 0, 3, 7, 0, 0, 0, 3, 7, 0, 1, 0, 4, 5, 0, 0, 1, 4, 6, 0, -1, 1, 4, 7, 0, 0, 0, 4, 7, 1, 0, 0, 5, 8, 0, 0, 0, 6, 8, 1, 1, 0, 7, 8, 0, 0, 0, 7, 8, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.18799 | 2.46848 | 2.05798 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0 |
| 0.25 | 0.25 | 0 |
| 0.25 | 0 | 0.5 |
| 0 | 0.75 | 0.6 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.22661 | 2.4892 | 2.01192 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0 |
| 0.25 | 0.25 | 0 |
| 0.25 | 0 | 0.5 |
| 0 | 0.25 | 0.41195 |
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 |
|---|---|---|---|---|---|
 |
hqc1817 | *22222 | (4,5,2) | {8,6,4,4} | {3.4.4.3.3.4.4.3}{3.4.4.3.4.4}{4... |