s-net: sqc8221
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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 | 33 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {7,4} |
| Vertex coordination sequence | [(7, 24, 55, 102, 159, 230, 315, 413, 525, 647), (4, 13, 39, 82, 142, 206, 287, 382, 496, 618)] |
| Wells’ vertex symbol | [3^2.4^9.5^4.6^6, 3.4^2.5^2.6] |
| 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, 1, 8, 0, 0, 0, 2, 3, 1, 0, 0, 2, 4, 0, 1, 0, 2, 5, 0, 0, 1, 2, 8, 1, 0, 0, 2, 9, 0, 0, 0, 2, 10, 0, 0, 0, 3, 4, -1, 1, 1, 3, 5, -1, 1, 1, 3, 8, 0, 0, 1, 3, 11, 0, 0, 0, 3, 12, 0, 0, 0, 4, 5, 0, 0, 1, 4, 8, 0, 0, 1, 4, 11, 1, -1, -1, 4, 12, 1, -1, -1, 5, 8, 1, 0, 0, 5, 9, 0, 0, -1, 5, 10, 0, 0, -1, 6, 8, 0, 0, 0, 6, 9, 0, 0, -1, 6, 11, 0, 0, -1, 7, 8, 0, 0, 0, 7, 10, -1, 0, 0, 7, 12, 1, -1, -1, 9, 12, 1, 0, 0, 10, 11, 1, -1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.65836 | 4.65836 | 2.29992 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.08333 | 0.29167 | 0.16667 |
| 0.11111 | 0.22222 | 0.44444 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.81273 | 3.81273 | 1.78783 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.07374 | 0.26669 | 0.11657 |
| 0.20834 | 0.24329 | 0.36159 |
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 |
|---|---|---|---|---|---|
 |
hqc1687 | *2626 | (2,5,5) | {7,4} | {6.4.4.3.3.4.4}{4.6.4.3} |