s-net: sqc720
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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 | 12 |
| Transitivity (vertex,edge) | (3,3) |
| Vertex degrees | {12,8,4} |
| Vertex coordination sequence | [(12, 56, 136, 252, 404, 592, 816, 1076, 1372, 1704), (8, 34, 100, 192, 344, 520, 732, 980, 1264, 1584), (4, 24, 68, 174, 288, 476, 682, 924, 1202, 1516)] |
| Wells’ vertex symbol | [4^52.5^8.6^6, 4^14.5^8.6^6, 4^2.5^4] |
| Systre key | (3, 1, 1, -1, -1, -1, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 1, 2, -2, -1, -1, 1, 2, -1, -1, 0, 1, 2, -1, 0, -1, 1, 2, 0, 0, 0, 2, 3, -1, -1, -1, 2, 3, -1, -1, 0, 2, 3, 0, -1, 0, 2, 3, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.29339 | 1.29339 | 1.82914 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0 | 0.5 |
| 0.5 | 0 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.49358 | 1.49358 | 0.95785 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0 | 0.5 |
| 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc255 | *4444 | (3,3,2) | {12,8,4} | {4.5.5.4.5.5.4.5.5.4.5.5}{5.5.5.... |