s-net: sqc976
 |
|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | tfj |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 7 |
| Edges per primitive translational unit | 12 |
| Transitivity (vertex,edge) | (3,2) |
| Vertex degrees | {4,3,4} |
| Vertex coordination sequence | [(4, 8, 20, 20, 44, 58, 100, 80, 140, 154), (3, 8, 13, 30, 37, 68, 67, 118, 115, 186), (4, 6, 16, 26, 52, 46, 84, 98, 160, 126)] |
| Wells’ vertex symbol | [8^4.12^2, 4.8^2, 4^2.8^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 6, 1, 0, 0, 3, 7, 0, 1, 0, 4, 6, 0, 0, 1, 4, 7, 0, 0, 0, 5, 6, -1, 1, 1, 5, 7, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.48683 | 3.48683 | 2.84699 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.33333 | 0 |
| 0 | 0.5 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.33144 | 3.33144 | 2.98483 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.30018 | 0 |
| 0 | 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc312 | *2224 | (3,2,2) | {4,3,4} | {4.8.4.8}{4.8.8}{8.8.8.8} |