s-net: sqc1882
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {6,4} |
| Vertex coordination sequence | [(6, 19, 42, 72, 113, 161, 219, 285, 361, 445), (4, 14, 42, 66, 116, 148, 228, 270, 374, 422)] |
| Wells’ vertex symbol | [3^2.4^3.5^4.6^6, 3^2.4^2.5^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, -1, 0, 0, 2, 5, 0, -1, 0, 2, 6, 0, 0, 0, 3, 4, -1, 0, 1, 3, 6, 0, 0, 1, 4, 5, 1, 0, -1, 4, 6, 0, 1, 0, 4, 6, 1, 0, 0, 4, 6, 1, 1, 0, 5, 6, -1, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.76346 | 1.94297 | 2.37969 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.2 | 0.25 | 0.25 |
| 0.25 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.85563 | 1.80785 | 2.63586 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.1751 | 0.25 | 0.32854 |
| 0.25 | 0 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc642 | *22222 | (2,4,3) | {6,4} | {4.3.6.6.3.4}{3.6.3.6} |