s-net: sqc78
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|
| 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 | 8 |
| Transitivity (vertex,edge) | (3,5) |
| Vertex degrees | {4,4,8} |
| Vertex coordination sequence | [(4, 16, 46, 100, 178, 280, 406, 556, 730, 928), (4, 20, 64, 136, 232, 352, 496, 664, 856, 1072), (8, 32, 80, 152, 248, 368, 512, 680, 872, 1088)] |
| Wells’ vertex symbol | [4^4.6^2, 6^6, 4^8.6^20] |
| Systre key | (3, 1, 1, -2, 1, 0, 1, 1, 0, -1, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 3, -1, 0, 0, 1, 3, 0, 0, 0, 2, 2, -1, 1, 0, 3, 3, -1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.42893 | 1.08597 | 0.85833 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0.5 | 0 |
| 0 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.3614 | 0.954 | 0.97687 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc751 | *222222 | (3,5,2) | {4,8,4} | {4.4.4.4}{4.8.8.4.4.8.8.4}{8.8.8.8} |