s-net: sqc2490
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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 | 18 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {5,4} |
| Vertex coordination sequence | [(5, 13, 30, 69, 135, 240, 373, 533, 716, 917), (4, 10, 30, 66, 114, 194, 320, 479, 658, 864)] |
| Wells’ vertex symbol | [3.4^2.6.8^4.9^2, 3^2.4.8^2.9] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 3, 0, 0, 0, 2, 3, 0, 1, 0, 2, 5, 0, 0, 0, 3, 5, 0, 0, 0, 4, 4, -1, 0, 0, 4, 6, 0, 0, 0, 4, 7, 0, 0, 0, 5, 5, -1, 2, 0, 5, 8, 0, 0, 0, 6, 7, -1, 1, 0, 6, 7, 0, 0, 0, 6, 8, 0, 0, 1, 7, 8, 0, 0, 1, 8, 8, -1, 2, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.25546 | 1.25546 | 5.42313 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.125 |
| 0 | 0.16667 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.68839 | 0.68839 | 6.19721 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.16474 |
| 0 | 0.39328 | 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 |
|---|---|---|---|---|---|
 |
hqc1043 | *22222 | (2,5,3) | {5,4} | {4.8.3.8.4}{8.8.3.3} |