s-net: sqc4218
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 8 |
| Edges per primitive translational unit | 22 |
| Transitivity (vertex,edge) | (4,6) |
| Vertex degrees | {8,6,4,4} |
| Vertex coordination sequence | [(8, 33, 75, 146, 222, 347, 451, 632, 760, 1001), (6, 29, 77, 136, 236, 321, 481, 588, 810, 939), (4, 16, 48, 100, 186, 264, 408, 514, 712, 846), (4, 12, 46, 100, 174, 278, 382, 538, 678, 878)] |
| Wells’ vertex symbol | [4^7.5^10.6^9.8^2, 4^5.5^6.6^4, 4^4.5.6, 4^4.5^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 5, 1, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 6, 0, 0, 0, 3, 7, 0, 1, 0, 3, 8, 0, 0, 0, 4, 6, 0, 0, 1, 4, 7, 1, 0, 0, 4, 8, 1, 0, 0, 5, 6, 0, -1, 0, 5, 7, 0, 0, -1, 5, 8, 0, -1, -1, 5, 8, 0, -1, 0, 5, 8, 0, 0, -1, 5, 8, 1, -1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I212121
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.40463 | 2.05841 | 2.85074 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.13636 |
| 0 | 0.25 | 0.65909 |
| 0.75 | 0.375 | 0 |
| 0.125 | 0 | 0.75 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I212121
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.66664 | 1.62518 | 2.60463 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.29264 |
| 0 | 0.25 | 0.47681 |
| 0.25 | 0.51773 | 0.5 |
| 0.15616 | 0 | 0.25 |
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 |
|---|---|---|---|---|---|
 |
hqc1830 | *222222 | (4,5,2) | {8,6,4,4} | {6.4.4.6.6.4.4.6}{6.4.4.6.4.4}{4... |