s-net: sqc3890
 |
|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | stj |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 12 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (2,2) |
| Vertex degrees | {4,3} |
| Vertex coordination sequence | [(4, 6, 12, 26, 36, 52, 80, 94, 124, 168), (3, 7, 12, 21, 39, 54, 71, 103, 126, 149)] |
| Wells’ vertex symbol | [4^2.10^4, 4.10^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 7, 1, 0, 0, 4, 9, 0, 0, 0, 5, 7, 1, 0, 0, 5, 10, 0, 0, 0, 6, 11, 0, 0, 0, 6, 12, 0, 0, 0, 8, 11, 1, 1, 0, 8, 12, 0, 1, 0, 9, 11, 0, 0, 1, 9, 12, 0, 0, 1, 10, 11, 1, 1, 1, 10, 12, 0, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.22408 | 5.22408 | 2.61204 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0.25 |
| 0.125 | 0.25 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.94906 | 4.94906 | 2.70241 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0.25 |
| 0.10103 | 0.24998 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc169 | *2224 | (2,2,2) | {3,4} | {12.4.12}{12.4.12.4} |