s-net: sqc1988
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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 | {4,6} |
| Vertex coordination sequence | [(4, 10, 30, 66, 122, 188, 268, 356, 458, 572), (6, 14, 34, 74, 128, 194, 272, 362, 464, 578)] |
| Wells’ vertex symbol | [3^4.4^2, 3^4.4^3.5^2.6.8^3.9^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 2, 2, -1, 0, 0, 2, 3, 0, 0, 0, 2, 4, 0, 0, 0, 3, 3, -1, 0, 0, 3, 5, 0, 0, 0, 4, 4, 0, 0, -1, 4, 5, 0, 1, 0, 4, 6, 0, 0, -1, 4, 6, 0, 0, 0, 5, 5, 0, 0, -1, 5, 6, 0, -1, -1, 5, 6, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P42/mmc
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.39468 | 1.39468 | 4.18405 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0 |
| 0 | 0 | 0.41667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P42/mmc
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.15387 | 1.15387 | 4.6035 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0 |
| 0 | 0 | 0.13489 |
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 |
|---|---|---|---|---|---|
 |
hqc648 | *2224 | (2,4,3) | {6,4} | {8.3.3.3.3.8}{3.3.3.3} |