s-net: sqc3368
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Barycentric geometry maximising unit cell volume
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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 | 20 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {4,6} |
| Vertex coordination sequence | [(4, 16, 48, 94, 170, 260, 378, 514, 668, 844), (6, 22, 54, 108, 180, 280, 394, 536, 686, 868)] |
| Wells’ vertex symbol | [5^4.6.7, 4^4.5^6.6^2.7^2.8] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 1, 4, 1, 0, 0, 2, 5, 0, 0, 0, 2, 5, 0, 1, 0, 3, 6, -1, -1, 1, 3, 6, 0, 0, 0, 3, 7, 0, 0, 0, 3, 7, 1, 0, 0, 4, 7, 0, 0, 0, 4, 7, 0, 1, 0, 4, 8, 0, -1, 1, 4, 8, 0, 0, 0, 5, 7, 0, 0, 0, 5, 7, 1, 0, -1, 6, 8, 1, -1, 0, 6, 8, 1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Ibca
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.65014 | 2.12987 | 3.6911 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.25 | 0.25 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Ibca
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.99977 | 1.99996 | 2.82931 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.25 | 0.25 | 0.25 |
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 |
|---|---|---|---|---|---|
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hqc177 | 2*222 | (2,3,1) | {4,6} | {5.5.5.5}{5.5.5.5.5.5} |
h-nets with edge collapse
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