s-net: sqc2662
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 4 |
| Edges per primitive translational unit | 18 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {8,12} |
| Vertex coordination sequence | [(8, 38, 86, 162, 242, 366, 478, 650, 794, 1014), (12, 36, 98, 150, 264, 344, 510, 618, 836, 972)] |
| Wells’ vertex symbol | [3^8.4^12.5^7.6, 3^12.4^30.5^18.6^6] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 3, 0, 0, 0, 1, 3, 0, 0, 1, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 2, 3, -2, -1, -1, 2, 3, -1, -1, 0, 2, 3, -1, 0, 0, 2, 3, 0, 0, 1, 2, 4, -2, 0, -1, 2, 4, -1, 0, -1, 2, 4, -1, 0, 0, 2, 4, 0, 0, 0, 3, 4, -1, 0, -1, 3, 4, 1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.19634 | 2.19634 | 2.12608 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.5 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.00019 | 2.00019 | 2.4492 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.5 |
| 0 | 0 | 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 |
|---|---|---|---|---|---|
 |
hqc44 | *24(12) | (2,2,1) | {8,12} | {3.3.3.3.3.3.3.3}{3.3.3.3.3.3.3.... |