s-net: sqc890
 |
|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | ahq |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 5 |
| Edges per primitive translational unit | 12 |
| Transitivity (vertex,edge) | (3,2) |
| Vertex degrees | {6,4,6} |
| Vertex coordination sequence | [(6, 12, 42, 56, 138, 144, 294, 272, 510, 440), (4, 16, 28, 80, 94, 204, 200, 388, 346, 632), (6, 12, 42, 56, 144, 146, 306, 276, 528, 446)] |
| Wells’ vertex symbol | [4^6.6^6.8^3, 4^4.6^2, 4^6.8^9] |
| 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, 0, 2, 5, 0, 0, 0, 3, 5, -1, 0, 0, 3, 5, 0, 0, 1, 4, 5, -1, 0, 0, 4, 5, -1, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.0 | 2.0 | 4.89898 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.0 | 2.0 | 4.899 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0 |
| 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 |
|---|---|---|---|---|---|
 |
hqc30 | *446 | (2,1,1) | {4,6} | {8.8.8.8}{8.8.8.8.8.8} |