s-net: sqc2174
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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 | 16 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {4,4} |
| Vertex coordination sequence | [(4, 8, 16, 30, 48, 66, 88, 120, 150, 178), (4, 8, 18, 30, 44, 70, 92, 116, 144, 188)] |
| Wells’ vertex symbol | [3.4.8^4, 3^2.4.8^2.9] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 6, 0, 1, 0, 4, 7, 0, 0, 1, 4, 8, 1, 0, 0, 5, 6, -1, 0, 1, 5, 7, 0, 0, 1, 5, 8, 0, -1, 1, 6, 8, 1, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.33406 | 3.33406 | 4.08269 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0 |
| 0 | 0.5 | 0.08333 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.14626 | 3.14626 | 4.00001 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.22474 | 0 |
| 0 | 0.5 | 0.125 |
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 |
|---|---|---|---|---|---|
 |
hqc729 | *2224 | (2,4,3) | {4,4} | {4.8.3.8}{8.8.3.3} |
