s-net: sqc3003
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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, 14, 35, 72, 124, 186, 263, 360, 465, 581), (4, 12, 32, 68, 119, 178, 257, 359, 456, 562)] |
| Wells’ vertex symbol | [4^4.6^4.7^2, 4^2.6^3.7] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 1, 0, 0, 2, 6, 1, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, 0, 2, 1, 3, 5, 0, 0, 1, 3, 6, 1, 0, 0, 4, 5, 0, -1, 0, 4, 8, 0, 0, 0, 5, 7, -1, 0, -1, 6, 7, -1, 0, -1, 6, 8, -1, 2, 1, 7, 8, 0, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.98312 | 1.98312 | 2.21745 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.33333 | 0.5 | 0 |
| 0 | 0 | 0.41667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.81245 | 1.81245 | 0.95937 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.18983 | 0.5 | 0 |
| 0 | 0 | 0.36804 |
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 |
|---|---|---|---|---|---|
 |
hqc1040 | *22222 | (2,5,3) | {5,4} | {4.4.6.4.4}{4.4.6.6} |