s-net: sqc2187
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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) | (2,3) |
| Vertex degrees | {4,4} |
| Vertex coordination sequence | [(4, 11, 23, 42, 69, 101, 136, 179, 231, 286), (4, 11, 26, 47, 70, 100, 142, 188, 232, 286)] |
| Wells’ vertex symbol | [4.6^5, 4.6^3.8^2] |
| 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, 1, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 4, 0, 1, 0, 3, 6, -1, 1, 0, 4, 5, 0, 0, 1, 4, 8, 0, 0, 0, 5, 7, 0, 0, 0, 5, 8, 0, 1, -1, 6, 7, 0, 0, 1, 6, 8, 1, 0, 0, 7, 8, 1, 1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.50554 | 2.50554 | 2.00843 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.14286 | 0.16667 |
| 0.28571 | 0.28571 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.44406 | 2.44406 | 2.04975 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.16804 | 0.19857 |
| 0.29542 | 0.29542 | 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 |
|---|---|---|---|---|---|
 |
hqc59 | *488 | (1,2,3) | {4} | {4.16.8.16} |