s-net: sqc876
 |
|
| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 3 |
| Edges per primitive translational unit | 12 |
| Transitivity (vertex,edge) | (1,2) |
| Vertex degrees | {8} |
| Vertex coordination sequence | [(8, 30, 74, 130, 200, 300, 388, 540, 638, 850)] |
| Wells’ vertex symbol | [3^6.4^12.5^8.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 1, 0, 0, 1, 2, 1, 0, 1, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 3, 1, 0, 0, 1, 3, 1, 1, 0, 2, 3, -1, 0, -1, 2, 3, 0, 0, -1, 2, 3, 0, 1, 0, 2, 3, 1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.84292 | 2.84292 | 1.10094 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.35054 | 3.35054 | 0.48325 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.5 |
Edge end points:
Hyperbolic sources
h-nets with faithful topology
2 records listed.| Image | h-net name | Orbifold symbol | Transitivity (Vert,Edge,Face) | Vertex Degree | 2D Vertex Symbol |
|---|---|---|---|---|---|
 |
hqc93 | 2*26 | (1,2,2) | {8} | {6.3.3.3.6.3.3.3} |
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hqc21 | *446 | (1,1,2) | {8} | {4.6.4.6.4.6.4.6} |