s-net: sqc908
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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 | 12 |
| Transitivity (vertex,edge) | (2,2) |
| Vertex degrees | {4,12} |
| Vertex coordination sequence | [(4, 32, 38, 188, 116, 476, 238, 896, 404, 1448), (12, 20, 114, 80, 348, 184, 714, 332, 1212, 524)] |
| Wells’ vertex symbol | [4^4.6^2, 4^36.6^30] |
| 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, 3, 1, 0, 0, 1, 3, 1, 0, 1, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 4, 1, 0, 0, 1, 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 |
|---|---|---|---|---|---|
| 2.84282 | 2.84282 | 1.10102 | 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 |
|---|---|---|---|---|---|
| 3.35025 | 3.35025 | 0.48386 | 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 |
|---|---|---|---|---|---|
 |
hqc27 | *24(12) | (2,1,1) | {4,12} | {4.4.4.4}{4.4.4.4.4.4.4.4.4.4.4.4} |