s-net: sqc32
 |
|
| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 2 |
| Edges per primitive translational unit | 6 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {8,4} |
| Vertex coordination sequence | [(8, 28, 64, 116, 184, 268, 368, 484, 616, 764), (4, 14, 40, 84, 144, 220, 312, 420, 544, 684)] |
| Wells’ vertex symbol | [4^20.6^8, 4^5.6] |
| Systre key | (3, 1, 1, -1, 1, 0, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 1, 2, -1, 0, 0, 1, 2, 0, 0, 0, 2, 2, 0, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.04656 | 1.44664 | 1.02356 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.95773 | 1.884 | 1.00127 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc208 | *222222 | (2,4,2) | {8,4} | {4.8.8.4.4.8.8.4}{8.8.8.8} |
