s-net: sqc1522
 |
|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | fnq |
| Keywords | sphere packing |
| Fisher-Koch-Sowa symbol | 5/4/h4 |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 15 |
| Transitivity (vertex,edge) | (1,3) |
| Vertex degrees | {5} |
| Vertex coordination sequence | [(5, 16, 37, 68, 106, 154, 209, 274, 346, 428)] |
| Wells’ vertex symbol | [4^4.6^6] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 5, 0, 0, 1, 2, 6, 0, 0, 0, 3, 5, 0, 1, 0, 3, 6, -1, 0, 0, 3, 6, -1, 0, 1, 4, 5, -1, 0, 1, 4, 5, 0, 0, 1, 4, 6, -1, -1, 1, 4, 6, -1, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.17362 | 3.17362 | 2.32394 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.2 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.13938 | 3.13938 | 2.30548 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.15402 | 0.30804 | 0.11852 |
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 |
|---|---|---|---|---|---|
 |
hqc147 | 2*26 | (1,3,2) | {5} | {6.4.4.4.4} |