s-net: sqc2676
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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 | {3,6} |
| Vertex coordination sequence | [(3, 6, 20, 56, 111, 182, 275, 389, 518, 669), (6, 22, 57, 111, 182, 275, 389, 518, 669, 843)] |
| Wells’ vertex symbol | [4^3, 4^5.6^7.8^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 2, 2, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, 0, 1, 0, 2, 5, 0, 1, 0, 2, 6, 0, 0, 0, 3, 5, 0, 0, 1, 3, 5, 1, 0, 1, 3, 5, 2, 0, 1, 3, 7, 0, 0, 0, 4, 7, 0, 0, 0, 4, 8, 0, 0, 0, 5, 8, 0, 0, 0, 6, 7, 0, 1, 0, 6, 8, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.79863 | 2.79863 | 1.34483 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.11538 | 0 |
| 0 | 0.34615 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.19284 | 2.19284 | 0.48301 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.27481 | 0 |
| 0 | 0.27828 | 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 |
|---|---|---|---|---|---|
 |
hqc918 | *2244 | (2,5,4) | {6,3} | {4.8.4.4.8.4}{4.4.4} |