s-net: sqc3985
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 9 |
| Edges per primitive translational unit | 21 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {5,4} |
| Vertex coordination sequence | [(5, 14, 33, 58, 95, 134, 185, 244, 307, 382), (4, 12, 32, 58, 94, 134, 186, 244, 310, 370)] |
| Wells’ vertex symbol | [3^2.6^7.7, 3^2.6^2.7^2] |
| 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, 2, 3, 0, 0, 0, 2, 4, 1, 0, 0, 2, 7, 0, 0, 0, 3, 7, 0, 1, 0, 3, 8, 0, 0, 0, 3, 9, 0, 0, 0, 4, 6, 0, 0, 1, 4, 7, -1, 0, 0, 4, 8, -1, 0, 1, 5, 6, 0, 0, 0, 5, 7, 0, 0, -1, 5, 8, -1, -1, 0, 5, 9, 0, -1, 0, 6, 8, -1, 0, 0, 7, 9, 0, -1, 1, 8, 9, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.31225 | 3.31225 | 4.62419 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.3 | 0 |
| 0 | 0.5 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.00003 | 3.00003 | 5.19608 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.33333 | 0 |
| 0 | 0.5 | 0.5 |
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 |
|---|---|---|---|---|---|
 |
hqc427 | *2626 | (2,3,3) | {5,4} | {6.3.18.18.3}{3.18.3.18} |