s-net: sqc203
 |
|
| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 3 |
| Edges per primitive translational unit | 9 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {12,3} |
| Vertex coordination sequence | [(12, 60, 156, 300, 492, 732, 1020, 1356, 1740, 2172), (3, 21, 94, 219, 391, 611, 879, 1195, 1559, 1971)] |
| Wells’ vertex symbol | [3^4.4^27.5^24.6^5.7^4.8^2, 3.5^2] |
| Systre key | (3, 1, 1, -1, -2, 0, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 1, 2, 0, 0, -1, 1, 2, 0, 0, 0, 1, 3, 0, 0, -1, 1, 3, 0, 0, 0, 2, 3, 1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.06869 | 1.30892 | 1.17032 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.87233 | 1.05806 | 0.64105 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0.2798 |
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 |
|---|---|---|---|---|---|
 |
hqc1057 | *222222 | (2,5,3) | {12,3} | {4.8.3.3.8.4.4.8.3.3.8.4}{8.8.3} |
