s-net: sqc4990
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 8 |
| Edges per primitive translational unit | 24 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {6,6} |
| Vertex coordination sequence | [(6, 24, 74, 140, 236, 350, 494, 656, 848, 1058), (6, 24, 60, 122, 212, 328, 464, 626, 810, 1020)] |
| Wells’ vertex symbol | [4^6.6^9, 4^6.6^8.8] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 1, 4, 1, 0, 0, 2, 5, -1, -1, 1, 2, 5, 0, 0, 0, 2, 6, -1, 1, 0, 2, 6, 0, 0, 0, 3, 5, -1, -1, 1, 3, 5, 0, -1, 1, 3, 7, -1, -1, 1, 3, 7, 0, 0, 0, 4, 6, -1, 0, 1, 4, 6, -1, 1, 0, 4, 7, -1, 0, 0, 4, 7, -1, 0, 1, 5, 8, -1, 0, 1, 5, 8, 0, 0, 0, 6, 8, -1, -1, 1, 6, 8, 0, -1, 1, 7, 8, -1, 0, 1, 7, 8, 0, -1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3c
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.28642 | 3.28642 | 1.64321 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3c
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.90952 | 2.90952 | 1.95032 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc5 | *246 | (1,1,1) | {6} | {4.4.4.4.4.4} |