s-net: sqc2072
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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, 9, 20, 40, 70, 102, 142, 192, 246, 302), (4, 10, 22, 40, 68, 106, 144, 190, 250, 308)] |
| Wells’ vertex symbol | [4^3.6^2.8, 4^2.6.8^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 5, 1, 0, 0, 3, 6, 0, 1, 0, 3, 7, 0, 0, 0, 4, 5, 2, -1, 0, 4, 6, 1, 0, 0, 4, 7, 0, 0, 1, 5, 8, 0, 0, 0, 6, 8, 2, -2, -1, 7, 8, 1, -1, -1, 7, 8, 2, -1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P-42m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.72232 | 2.72232 | 2.1087 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.125 | 0.125 | 0.0625 |
| 0 | 0.5 | 0.1875 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P-42m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.59806 | 2.59806 | 2.00002 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.16645 | 0.16645 | 0.12547 |
| 0 | 0.5 | 0.25 |
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 |
|---|---|---|---|---|---|
 |
hqc728 | *2244 | (2,4,3) | {4,4} | {4.4.12.4}{4.4.12.12} |