s-net: sqc3050
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|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | utb |
| Keywords | sphere packing |
| Fisher-Koch-Sowa symbol | 3/8/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, 6, 12, 22, 34, 56, 80, 115, 154, 199)] |
| Wells’ vertex symbol | [8^2.9] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 3, 1, 0, 0, 2, 5, 0, 0, 0, 3, 6, 0, 0, 0, 4, 7, 0, 0, 0, 4, 8, 0, 0, 0, 5, 9, 0, 0, 0, 5, 10, 0, 0, 0, 6, 11, 0, 0, 0, 6, 12, 0, 0, 0, 7, 8, 0, 0, 1, 7, 11, 0, 1, 0, 8, 9, -1, 1, -1, 9, 10, 0, -1, 0, 10, 12, 1, 0, 1, 11, 12, 1, -1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I432
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.04628 | 4.04628 | 4.04628 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.05 | 0.45 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I432
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.41479 | 3.41479 | 3.41479 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.10351 | 0.39649 | 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 |
|---|---|---|---|---|---|
 |
hqc14 | *239 | (1,1,1) | {3} | {9.9.9} |