s-net: sqc1944
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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 | {5,6} |
| Vertex coordination sequence | [(5, 17, 44, 77, 123, 178, 243, 323, 403, 503), (6, 20, 44, 80, 122, 178, 250, 318, 410, 498)] |
| Wells’ vertex symbol | [4^5.5^4.6, 4^6.5^4.6^4.7] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 1, 4, 1, 0, 0, 2, 4, 0, 0, 1, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 5, 1, 0, -1, 3, 5, 1, 0, 0, 3, 6, 0, -1, -1, 3, 6, 0, -1, 0, 4, 5, 0, 1, -1, 4, 6, 0, -1, -1, 5, 6, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.81042 | 1.81042 | 1.90846 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.16667 | 0 |
| 0.5 | 0.5 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.81964 | 1.81964 | 1.71056 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25722 | 0 |
| 0.5 | 0.5 | 0.5 |
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 |
|---|---|---|---|---|---|
 |
hqc669 | *22222 | (2,4,3) | {5,6} | {4.4.4.4.4}{4.4.4.4.4.4} |