s-net: sqc5523
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| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | unw |
| Keywords | sphere packing |
| Fisher-Koch-Sowa symbol | 4/3/c3 |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 12 |
| Edges per primitive translational unit | 24 |
| Transitivity (vertex,edge) | (1,2) |
| Vertex degrees | {4} |
| Vertex coordination sequence | [(4, 10, 23, 43, 76, 108, 156, 206, 270, 335)] |
| Wells’ vertex symbol | [3.6^3.7^2] |
| 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, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 8, 0, 0, 0, 3, 9, 0, 0, 0, 4, 5, 0, 0, 0, 4, 9, 0, 1, 0, 4, 10, 0, 0, 0, 5, 6, 0, 0, 1, 5, 11, 0, 0, 0, 6, 7, 0, 0, 0, 6, 11, 1, 0, 0, 7, 8, -1, 1, -1, 7, 12, 0, 0, 0, 8, 9, 0, 0, 0, 8, 12, 0, 0, 0, 9, 10, -1, 0, 0, 10, 11, 2, -1, 1, 10, 12, 1, 0, 1, 11, 12, -1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I432
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.5863 | 3.5863 | 3.5863 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.16667 | 0.33333 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I432
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.26601 | 3.26601 | 3.26601 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.125 | 0.375 | 0.25 |
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 |
|---|---|---|---|---|---|
 |
hqc90 | 2*23 | (1,2,2) | {4} | {3.6.6.6} |