s-net: sqc182
 |
|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | neb |
| Keywords | sphere packing |
| Fisher-Koch-Sowa symbol | 4/6/o1 |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 4 |
| Edges per primitive translational unit | 8 |
| Transitivity (vertex,edge) | (1,2) |
| Vertex degrees | {4} |
| Vertex coordination sequence | [(4, 12, 27, 50, 77, 112, 152, 200, 252, 312)] |
| Wells’ vertex symbol | [6^6] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 2, 4, 0, 0, 0, 2, 4, 0, 1, 0, 3, 4, 0, 0, 1, 3, 4, 1, -1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Fddd
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.46351 | 4.63063 | 3.27307 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.125 | 0.4375 | 0.125 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Fddd
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.51653 | 4.65063 | 3.08657 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.125 | 0.44509 | 0.125 |
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} |