s-net: sqc1991
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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 | 16 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {4,6} |
| Vertex coordination sequence | [(4, 12, 40, 108, 178, 308, 408, 594, 736, 980), (6, 22, 72, 144, 244, 360, 506, 668, 864, 1068)] |
| Wells’ vertex symbol | [4^4.6^2, 4^6.6^6.7^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 2, 3, -2, 1, -1, 2, 3, 0, 0, 1, 2, 4, 0, 0, 1, 2, 6, 0, 0, 0, 3, 4, 0, 0, -1, 3, 4, 1, 0, 1, 3, 5, 1, -1, 0, 4, 6, 1, -1, 1, 5, 6, 0, 0, 0, 5, 6, 1, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.80528 | 1.80528 | 1.49498 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.25 |
| 0.28571 | 0.71429 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.80288 | 1.80288 | 1.50042 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.25 |
| 0.28146 | 0.71854 | 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 |
|---|---|---|---|---|---|
 |
hqc573 | *22222 | (2,5,3) | {6,4} | {4.4.4.4.4.4}{4.4.4.4} |