s-net: sqc9019
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 18 |
| Edges per primitive translational unit | 36 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {6,3} |
| Vertex coordination sequence | [(6, 20, 44, 80, 130, 190, 262, 348, 444, 552), (3, 8, 21, 49, 92, 142, 207, 289, 372, 471)] |
| Wells’ vertex symbol | [4^4.6^11, 4.6^2] |
| 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, 1, 7, 0, 0, 0, 2, 3, 1, 0, 0, 2, 4, 0, 1, 0, 2, 8, 0, 0, 0, 2, 9, 0, 0, 0, 2, 10, 0, 0, 0, 3, 7, 0, 0, 1, 3, 10, 0, -1, 1, 3, 11, 0, 0, 0, 3, 12, 0, 0, 0, 4, 7, 1, -1, 1, 4, 10, 0, -1, 1, 4, 13, 0, 0, 0, 4, 14, 0, 0, 0, 5, 12, 0, 0, 0, 5, 15, 0, 0, 0, 6, 16, 0, 0, 0, 6, 17, 0, 0, 0, 7, 10, 0, 0, 0, 7, 16, 0, 0, 0, 7, 18, 0, 0, 0, 8, 14, 0, 1, 0, 8, 16, 0, 1, 0, 9, 15, 1, 0, 0, 9, 18, 0, 1, 0, 10, 15, 1, 0, 0, 10, 17, 1, 0, 0, 11, 13, 0, 1, 0, 11, 18, 0, 0, 1, 12, 14, 0, 1, 0, 13, 17, 1, -1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.26962 | 5.26962 | 3.89176 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.30303 | 0.5 |
| 0.28283 | 0.05051 | 0.05556 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.00515 | 4.00515 | 2.44681 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.24981 | 0.5 |
| 0.08276 | 0.16686 | 0.16725 |
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 |
|---|---|---|---|---|---|
 |
hqc1993 | *2626 | (2,5,5) | {6,3} | {6.4.4.6.4.4}{4.12.6} |