s-net: sqc2687
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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 | 18 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {7,4} |
| Vertex coordination sequence | [(7, 22, 48, 85, 131, 187, 255, 333, 420, 518), (4, 18, 44, 80, 126, 190, 242, 340, 400, 540)] |
| Wells’ vertex symbol | [3^2.4^9.5^6.6^4, 3^2.4^2.5^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 4, 0, 0, 1, 2, 5, 0, 0, 1, 2, 6, 0, 0, 0, 2, 6, 0, 1, 0, 2, 6, 1, 0, 0, 3, 4, 0, 0, 0, 3, 5, -1, 0, 0, 3, 6, 0, 0, 0, 3, 6, 1, 0, 0, 4, 6, 0, 0, -1, 5, 6, 1, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.58153 | 4.08346 | 4.3287 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.3125 | 0.16667 |
| 0.25 | 0.25 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.55709 | 3.25535 | 4.71915 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.15361 | 0.31649 |
| 0.25 | 0.25 | 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 |
|---|---|---|---|---|---|
 |
hqc921 | *22222 | (2,4,4) | {7,4} | {4.4.3.4.3.4.4}{3.4.3.4} |