s-net: sqc3878
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 12 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {4,3} |
| Vertex coordination sequence | [(4, 9, 16, 26, 42, 63, 82, 100, 128, 167), (3, 7, 15, 27, 43, 59, 77, 106, 138, 160)] |
| Wells’ vertex symbol | [4.6^2.8^2.10, 6^2.8] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 7, 0, 0, 0, 3, 9, 0, 0, 0, 3, 10, 0, 0, 0, 4, 9, 1, 0, 0, 4, 11, 0, 0, 0, 5, 6, 0, 1, 0, 5, 12, 0, 0, 0, 6, 9, 0, 0, 1, 7, 11, -1, 0, 1, 7, 12, 0, -1, -1, 8, 10, 1, -1, -1, 8, 12, 1, -1, -1, 10, 11, -1, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.70498 | 3.70498 | 4.5368 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.125 | 0.125 | 0 |
| 0.375 | 0.125 | 0.16667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.56297 | 3.56297 | 4.49567 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.14033 | 0.14033 | 0 |
| 0.35967 | 0.14104 | 0.13878 |
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 |
|---|---|---|---|---|---|
 |
hqc1391 | *4444 | (2,4,4) | {3,4} | {8.16.12}{12.16.4.16} |