s-net: sqc1556
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 7 |
| Edges per primitive translational unit | 15 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {4,6} |
| Vertex coordination sequence | [(4, 12, 30, 51, 84, 125, 154, 219, 273, 325), (6, 18, 24, 66, 84, 108, 192, 198, 266, 360)] |
| Wells’ vertex symbol | [3.5^3.6^2, 5^6.6^6.9^3] |
| 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, 0, 1, 0, 2, 4, 1, 0, 0, 2, 7, 0, 0, 1, 3, 4, 1, -1, 0, 3, 6, 0, -1, 1, 4, 5, -1, 0, 1, 5, 6, 1, -1, 0, 5, 7, 1, 0, 0, 6, 7, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.49002 | 2.49002 | 6.81921 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.22222 | 0.11111 | 0.22222 |
| 0 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.41447 | 2.41447 | 6.37575 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.27611 | 0.13806 | 0.24281 |
| 0 | 0 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc124 | *2626 | (2,3,2) | {4,6} | {12.6.6.12}{6.6.6.6.6.6} |