s-net: sqc1446
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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 | {3,12} |
| Vertex coordination sequence | [(3, 15, 82, 258, 548, 948, 1460, 2084, 2820, 3668), (12, 66, 212, 470, 840, 1322, 1916, 2622, 3440, 4370)] |
| Wells’ vertex symbol | [5^3, 4^12.5^12.6^9.7^30.8^3] |
| Systre key | (3, 1, 1, -2, 1, -1, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 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, 5, 1, 0, 0, 2, 6, 1, -1, 0, 3, 4, 1, -1, 1, 3, 7, 1, -1, 0, 4, 7, 1, 0, 0, 5, 6, 1, -1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.92926 | 2.92926 | 1.79319 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0 |
| 0 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.731 | 1.731 | 1.22236 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.41842 | 0 | 0 |
| 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 |
|---|---|---|---|---|---|
 |
hqc179 | 2*26 | (2,3,1) | {12,3} | {5.5.5.5.5.5.5.5.5.5.5.5}{5.5.5} |