s-net: sqc872
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 12 |
| Transitivity (vertex,edge) | (3,3) |
| Vertex degrees | {3,8,4} |
| Vertex coordination sequence | [(3, 10, 27, 80, 121, 224, 265, 434, 461, 712), (8, 20, 68, 90, 196, 212, 392, 386, 656, 612), (4, 28, 48, 122, 144, 284, 292, 514, 492, 812)] |
| Wells’ vertex symbol | [4.5^2, 5^8.6^10.7^8.10^2, 5^2.6^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 2, 3, 0, 0, 0, 2, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 4, 0, 1, -1, 3, 5, -1, 0, 0, 4, 6, -1, 0, 0, 5, 6, 0, 1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.94714 | 1.94714 | 4.20631 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.33333 | 0.33333 | 0 |
| 0 | 1 | 0 |
| 0 | 0.5 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.24423 | 2.24423 | 0.67991 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.2884 | 0.2884 | 0 |
| 0 | 1 | 0 |
| 1 | 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc256 | *4444 | (3,3,2) | {3,8,4} | {4.20.20}{20.20.20.20.20.20.20.2... |