s-net: sqc3257
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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 | 20 |
| Transitivity (vertex,edge) | (1,3) |
| Vertex degrees | {5} |
| Vertex coordination sequence | [(5, 17, 50, 110, 194, 298, 422, 566, 732, 918)] |
| Wells’ vertex symbol | [4^3.6^5.7^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 3, 0, -1, 0, 3, 6, 0, 0, 1, 3, 7, 0, 0, 0, 4, 4, 0, -1, 0, 4, 5, -1, 0, 1, 4, 7, 0, 0, 0, 5, 5, 0, -1, 0, 5, 8, 0, 0, 0, 6, 6, 0, -1, 0, 6, 8, 0, 0, 0, 7, 7, -1, 0, 0, 7, 8, 0, -1, 0, 8, 8, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I41/amd
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.31894 | 1.31894 | 6.66064 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.875 | 0.08333 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I41/amd
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.00033 | 1.00033 | 7.75433 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.00702 | 0.93553 |
Edge end points:
Hyperbolic sources
h-nets with faithful topology
2 records listed.| Image | h-net name | Orbifold symbol | Transitivity (Vert,Edge,Face) | Vertex Degree | 2D Vertex Symbol |
|---|---|---|---|---|---|
 |
hqc109 | *2244 | (1,3,3) | {5} | {4.8.4.4.8} |
 |
hqc128 | 2*222 | (1,3,2) | {5} | {4.6.6.6.4} |