s-net: sqc1
 |
|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | pcu |
| Keywords | primitive cubic lattice, sphere packing |
| Fisher-Koch-Sowa symbol | 6/4/c1 |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 1 |
| Edges per primitive translational unit | 3 |
| Transitivity (vertex,edge) | (1,1) |
| Vertex degrees | {6} |
| Vertex coordination sequence | [(6, 18, 38, 66, 102, 146, 198, 258, 326, 402)] |
| Wells’ vertex symbol | [4^12.6^3] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pm-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.0 | 1.0 | 1.0 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pm-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.0 | 1.0 | 1.0 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
Edge end points:
Hyperbolic sources
h-nets with faithful topology
3 records 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} |
 |
hqc33 | *2244 | (1,2,2) | {6} | {4.8.8.4.8.8} |
 |
hqc10 | *266 | (1,1,1) | {6} | {6.6.6.6.6.6} |
