s-net: sqc6879
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 16 |
| Edges per primitive translational unit | 28 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {3,4} |
| Vertex coordination sequence | [(3, 8, 20, 41, 75, 126, 176, 229, 312, 392), (4, 9, 20, 47, 87, 121, 179, 251, 307, 393)] |
| Wells’ vertex symbol | [8^3, 4.8^3.9^2] |
| 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, 8, 0, 0, 0, 4, 5, 0, 1, 0, 4, 9, 0, 0, 0, 5, 6, 0, 0, 0, 5, 10, 0, 0, 0, 6, 7, -1, -1, 1, 6, 10, 0, 0, 1, 7, 11, 0, 0, 0, 8, 12, 0, 0, 0, 8, 13, 0, 0, 0, 9, 13, 1, 1, -1, 9, 14, 0, 0, 0, 10, 15, 0, 0, 0, 11, 12, 1, 0, -1, 11, 16, 0, 0, 0, 12, 13, 1, 0, 0, 12, 16, 0, 1, 0, 13, 14, -1, 0, 1, 14, 15, 1, 1, 0, 14, 16, 0, 1, -1, 15, 16, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I41/a
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.47915 | 3.47915 | 3.4662 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.07143 | 0.03571 | 0.0625 |
| 0.17857 | 0.28571 | 0.54167 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I41/a
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.36967 | 3.36967 | 3.43943 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.1124 | 0.05966 | 0.07475 |
| 0.17316 | 0.27541 | 0.54479 |
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 |
|---|---|---|---|---|---|
 |
hqc445 | *2244 | (2,3,3) | {4,3} | {4.8.8.8}{8.8.8} |