s-net: sqc44
 |
|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | sev |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 2 |
| Edges per primitive translational unit | 7 |
| Transitivity (vertex,edge) | (1,3) |
| Vertex degrees | {7} |
| Vertex coordination sequence | [(7, 22, 47, 82, 127, 182, 247, 322, 407, 502)] |
| Wells’ vertex symbol | [4^17.6^4] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, -1, -1, 1, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 2, 2, -1, 0, 0, 2, 2, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.76649 | 1.53697 | 1.2554 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.33333 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.53444 | 1.53441 | 1.2828 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.35853 | 0 | 0 |
Edge end points:
