s-net: sqc6185
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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 | 27 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {7,4} |
| Vertex coordination sequence | [(7, 21, 50, 87, 138, 198, 274, 355, 451, 554), (4, 14, 40, 68, 126, 182, 234, 334, 448, 480)] |
| Wells’ vertex symbol | [3^5.4^4.5^8.6^4, 3^4.4^2] |
| 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, 1, 8, 0, 0, 0, 2, 3, 0, 1, 0, 2, 4, 1, 0, 0, 2, 5, 0, 1, 0, 2, 6, 1, 0, 0, 2, 7, 0, 1, 0, 2, 8, 1, 0, 0, 3, 4, 0, 0, 0, 3, 5, 0, 0, 0, 3, 7, 0, 0, 1, 3, 8, 0, -1, 1, 3, 9, 0, 0, 0, 4, 6, 0, 0, 0, 4, 7, -1, 0, 1, 4, 8, 0, 0, 1, 4, 9, 0, 0, 0, 5, 7, 0, 0, 0, 6, 8, 0, 0, 0, 7, 8, 1, -1, 0, 7, 9, 1, 0, -1, 8, 9, 0, 1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.84086 | 2.84086 | 6.27117 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.20833 | 0.10417 | 0.29167 |
| 0 | 0.5 | 1 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.88389 | 2.88389 | 4.83932 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.26884 | 0.13442 | 0.2709 |
| 0 | 0.5 | 1 |
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 |
|---|---|---|---|---|---|
 |
hqc984 | *2626 | (2,4,4) | {7,4} | {12.3.3.6.3.3.12}{3.3.3.3} |