s-net: sqc4142
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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) | (2,6) |
| Vertex degrees | {6,5} |
| Vertex coordination sequence | [(6, 22, 54, 106, 178, 266, 370, 490, 626, 778), (5, 18, 50, 106, 180, 264, 370, 490, 628, 776)] |
| Wells’ vertex symbol | [4^6.5^2.6^7, 4^4.5^2.6^4] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 2, -1, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, -1, 0, 0, 3, 4, 0, 0, 1, 3, 6, 0, 1, 0, 3, 8, -1, 1, 0, 4, 6, -1, 1, -1, 4, 7, 0, 1, -1, 5, 5, -1, 0, 0, 5, 6, -1, 2, -1, 5, 7, -1, 1, -1, 5, 8, 0, 1, 0, 6, 6, -1, 0, 0, 7, 8, -1, 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 |
|---|---|---|---|---|---|
| 5.12278 | 2.29037 | 1.19659 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.15 | 0 | 0 |
| 0.3 | 0.25 | 0.375 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.06833 | 1.60716 | 1.03712 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.12278 | 0 | 0 |
| 0.16992 | 0.25 | 0.17524 |
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 |
|---|---|---|---|---|---|
 |
hqc1741 | *222222 | (2,6,4) | {5,6} | {4.4.6.4.4}{4.4.4.4.6.6} |