s-net: sqc2148
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 9 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {8,3} |
| Vertex coordination sequence | [(8, 16, 20, 72, 96, 66, 216, 248, 140, 440), (3, 11, 27, 45, 79, 128, 147, 194, 303, 303)] |
| Wells’ vertex symbol | [5^4.9^16.10^8, 5^2.6] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 1, 8, 0, 0, 0, 1, 9, 0, 0, 0, 2, 7, 0, 1, 0, 2, 8, 1, 0, 0, 3, 5, 0, 0, 1, 3, 9, 1, 0, 0, 4, 6, 0, 1, -1, 4, 9, 1, 0, -1, 5, 7, 0, 1, -1, 6, 8, 1, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.80352 | 2.80352 | 4.10595 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.07143 | 0.35714 | 0.16667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.06482 | 1.06482 | 3.23915 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.32626 | 0.0954 | 0.09745 |
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 |
|---|---|---|---|---|---|
 |
hqc86 | *488 | (2,2,2) | {3,8} | {8.12.12}{12.12.12.12.12.12.12.12} |