s-net: sqc6970
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 18 |
| Edges per primitive translational unit | 28 |
| Transitivity (vertex,edge) | (3,3) |
| Vertex degrees | {3,3,4} |
| Vertex coordination sequence | [(3, 5, 10, 21, 33, 50, 73, 109, 150, 171), (3, 6, 11, 18, 33, 54, 79, 109, 137, 185), (4, 8, 12, 20, 32, 64, 88, 104, 144, 204)] |
| Wells’ vertex symbol | [4.10^2, 4.10^2, 10^2.13^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 8, 0, 0, 0, 3, 9, 0, 0, 0, 4, 10, 0, 0, 0, 4, 11, 0, 0, 0, 5, 12, 0, 0, 0, 5, 13, 0, 0, 0, 6, 7, 1, 0, 0, 6, 14, 0, 0, 0, 7, 14, 0, 0, 0, 8, 9, 0, 1, 0, 8, 15, 0, 0, 0, 9, 15, 0, 0, 0, 10, 11, 1, 0, 0, 10, 16, 0, 0, 0, 11, 16, 0, 0, 0, 12, 13, 0, 1, 0, 12, 17, 0, 0, 0, 13, 17, 0, 0, 0, 14, 18, 0, 0, 0, 15, 18, 0, 0, 1, 16, 18, 0, -1, 0, 17, 18, -1, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I41/amd
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.8787 | 2.8787 | 10.76867 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0 |
| 0 | 0.08333 | 0.45833 |
| 0 | 0.25 | 0.375 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I41/amd
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.69701 | 2.69701 | 10.98016 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.18539 | 0 | 0 |
| 0 | 0.0864 | 0.45673 |
| 0 | 0.25 | 0.375 |
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 |
|---|---|---|---|---|---|
 |
hqc570 | *2244 | (3,3,2) | {3,3,4} | {20.4.20}{20.20.4}{20.20.20.20} |