s-net: sqc3059
 |
|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | nbo-a |
| Keywords | sphere packing |
| Fisher-Koch-Sowa symbol | 3/4/c1 |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 12 |
| Edges per primitive translational unit | 18 |
| Transitivity (vertex,edge) | (1,2) |
| Vertex degrees | {3} |
| Vertex coordination sequence | [(3, 5, 8, 13, 21, 30, 39, 53, 68, 81)] |
| Wells’ vertex symbol | [4.12^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 8, 0, 0, 0, 4, 9, 0, 0, 0, 5, 10, 0, 0, 0, 5, 11, 0, 0, 0, 6, 10, 0, 0, 0, 6, 12, 0, 0, 0, 7, 11, 0, 1, 0, 7, 12, 1, 0, 0, 8, 10, 0, 0, 1, 9, 11, -1, 0, 1, 9, 12, 0, -1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Im-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.97056 | 4.97056 | 4.97056 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.125 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Im-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.82843 | 4.82843 | 4.82843 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.14645 | 0.5 |
Edge end points:
Hyperbolic sources
h-nets with faithful topology
2 records listed.| Image | h-net name | Orbifold symbol | Transitivity (Vert,Edge,Face) | Vertex Degree | 2D Vertex Symbol |
|---|---|---|---|---|---|
 |
hqc36 | *24(12) | (1,2,2) | {3} | {4.24.24} |
 |
hqc34 | *246 | (1,2,2) | {3} | {4.12.12} |