s-net: sqc2835
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 10 |
| Edges per primitive translational unit | 18 |
| Transitivity (vertex,edge) | (4,4) |
| Vertex degrees | {4,3,4,4} |
| Vertex coordination sequence | [(4, 6, 16, 28, 60, 88, 150, 196, 238, 308), (3, 8, 14, 32, 52, 96, 138, 192, 245, 294), (4, 11, 26, 51, 78, 108, 150, 189, 254, 325), (4, 9, 24, 36, 70, 106, 142, 198, 256, 307)] |
| Wells’ vertex symbol | [4^2.7^2.8^2, 4.7^2, 4.7^4.8, 4.7^4.8] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 3, 0, 1, 0, 2, 4, 0, 1, 0, 3, 5, 0, 0, 0, 3, 6, 0, 0, 0, 4, 7, 0, 0, 0, 4, 8, 0, 0, 0, 5, 9, 0, 0, 0, 5, 10, 0, 0, 0, 6, 9, 0, -1, 0, 6, 10, 1, 1, 0, 7, 9, -1, -2, 1, 7, 10, 0, 0, 1, 8, 9, 0, -1, 1, 8, 10, 0, -1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.07202 | 7.92928 | 3.07181 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0.25 |
| 0.33333 | 0.3 | 0 |
| 0 | 0 | 0.16667 |
| 0 | 0.1 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.94357 | 8.69811 | 3.33204 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0.25 |
| 0.15993 | 0.18967 | 0 |
| 0 | 0 | 0.21454 |
| 0 | 0.08039 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc1230 | *22222 | (4,4,2) | {4,4,3,4} | {7.7.7.7}{7.7.7.7}{7.4.7}{7.4.7.4} |