s-net: sqc974
 |
|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | bbh |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 12 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {4,4} |
| Vertex coordination sequence | [(4, 10, 24, 42, 64, 90, 126, 166, 206, 252), (4, 11, 24, 42, 65, 93, 125, 163, 207, 255)] |
| Wells’ vertex symbol | [4^2.6^4, 4.6^4.8] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, 1, 0, 0, 2, 4, 0, 1, 0, 2, 6, 0, 0, 0, 3, 5, 0, 0, 1, 3, 6, 0, 0, 0, 4, 5, 1, 0, 0, 4, 6, 0, -1, -1, 5, 6, 0, -1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.8468 | 3.48715 | 2.0131 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0 |
| 0 | 0.58333 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.02753 | 3.18134 | 1.97295 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0 |
| 0 | 0.59283 | 0.2955 |
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 |
|---|---|---|---|---|---|
 |
hqc9 | *246 | (1,1,1) | {4} | {6.6.6.6} |