s-net: sqc1837
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 7 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (4,4) |
| Vertex degrees | {3,8,8,4} |
| Vertex coordination sequence | [(3, 10, 39, 96, 179, 305, 431, 618, 766, 1030), (8, 32, 76, 158, 268, 396, 536, 734, 896, 1176), (8, 32, 86, 162, 268, 384, 554, 698, 944, 1104), (4, 20, 78, 140, 252, 362, 518, 688, 876, 1118)] |
| Wells’ vertex symbol | [4.5^2, 4^2.5^8.6^8.7^8.10^2, 4^12.5^2.6^14, 4^4.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 1, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 3, 1, 0, 0, 1, 3, 1, 1, 0, 2, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 4, 5, 0, -1, 0, 4, 6, -1, 0, 0, 5, 7, -1, 0, 0, 6, 7, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.6656 | 1.6656 | 4.90291 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.33333 | 0.16667 | 0.25 |
| 0 | 0.5 | 0.25 |
| 0 | 1 | 0 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.85158 | 1.85158 | 2.51696 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25837 | 0.24163 | 0.25 |
| 0 | 0.5 | 0.25 |
| 0 | 1 | 0 |
| 0 | 0 | 0.5 |
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 |
|---|---|---|---|---|---|
 |
hqc747 | *4444 | (4,4,2) | {3,8,8,4} | {4.7.7}{7.7.7.7.7.7.7.7}{7.7.7.7... |