s-net: sqc1906
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {8,4,4} |
| Vertex coordination sequence | [(8, 20, 64, 98, 190, 228, 384, 410, 646, 644), (4, 22, 42, 116, 138, 280, 282, 516, 474, 824), (4, 16, 32, 90, 128, 236, 274, 450, 472, 732)] |
| Wells’ vertex symbol | [3^4.4^6.5^8.6^6.7^4, 3^2.6^4, 4^4.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 1, 1, 3, 0, 0, 0, 1, 3, 0, 0, 1, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 5, 1, 0, 0, 2, 5, 0, -1, -1, 2, 5, 1, 0, 0, 3, 5, 0, 0, -1, 3, 5, 1, 0, 0, 4, 6, 0, 0, 0, 4, 6, 1, 0, 0, 5, 6, 0, 0, 0, 5, 6, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Imma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.88899 | 1.88801 | 3.27121 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.25 | 0.25 | 0.75 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Imma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.99994 | 1.99994 | 2.82867 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.25 | 0.25 | 0.75 |
| 0 | 0 | 0.5 |
Edge end points:
Hyperbolic sources
h-nets with faithful topology
2 records listed.| Image | h-net name | Orbifold symbol | Transitivity (Vert,Edge,Face) | Vertex Degree | 2D Vertex Symbol |
|---|---|---|---|---|---|
 |
hqc820 | *222222 | (3,4,2) | {8,4,4} | {3.10.10.3.3.10.10.3}{3.10.3.10}... |
 |
hqc822 | *222222 | (3,4,2) | {8,4,4} | {6.5.5.6.6.5.5.6}{6.5.6.5}{5.5.5.5} |