s-net: sqc6204
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 12 |
| Edges per primitive translational unit | 27 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {5,4} |
| Vertex coordination sequence | [(5, 14, 32, 52, 89, 120, 171, 215, 283, 335), (4, 11, 28, 50, 83, 115, 167, 215, 271, 340)] |
| Wells’ vertex symbol | [3^2.4.6^7, 3.6^5] |
| 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, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, 0, 0, 0, 3, 9, 0, 0, 0, 3, 10, 0, 0, 0, 4, 11, 0, 0, 0, 4, 12, 0, 0, 0, 5, 8, 1, 0, 0, 5, 9, 0, 0, 1, 5, 10, 0, 1, 0, 5, 11, -1, 1, 0, 6, 7, 0, -1, 1, 6, 9, -1, 0, 1, 6, 10, 0, 0, 1, 6, 12, -1, 1, 0, 7, 9, -1, 1, 0, 7, 11, -1, 1, -1, 8, 10, -1, 1, 0, 8, 12, -1, 1, -1, 9, 12, 0, 1, -1, 10, 11, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.03909 | 5.03909 | 2.75939 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.13333 | 0.26667 | 0.41667 |
| 0.11111 | 0.22222 | 0.11111 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.5737 | 4.5737 | 2.97568 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.11641 | 0.23282 | 0.435 |
| 0.10053 | 0.20105 | 0.10162 |
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 |
|---|---|---|---|---|---|
 |
hqc1085 | *2626 | (2,4,4) | {4,5} | {6.8.3.8}{8.6.8.3.3} |