s-net: sqc1974
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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) | (4,3) |
| Vertex degrees | {4,4,8,4} |
| Vertex coordination sequence | [(4, 8, 28, 38, 88, 88, 160, 162, 272, 240), (4, 16, 22, 55, 63, 122, 121, 212, 201, 330), (8, 12, 32, 42, 88, 88, 160, 162, 272, 240), (4, 8, 28, 32, 76, 88, 164, 150, 260, 248)] |
| Wells’ vertex symbol | [4^4.6^2, 4^5.6, 4^8.6^8.8^12, 4^2.8^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 5, 0, 1, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 6, 0, 0, 0, 3, 7, 0, 1, 0, 4, 6, 0, 0, 1, 4, 7, 0, 0, 0, 5, 6, 0, 0, 1, 5, 7, 1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.981 | 1.981 | 5.36386 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.375 | 0 | 0.0625 |
| 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 |
|---|---|---|---|---|---|
| 1.47458 | 1.47458 | 1.84855 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.33765 | 0.28462 |
| 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 |
|---|---|---|---|---|---|
 |
hqc913 | *4444 | (4,3,2) | {4,4,8,4} | {4.4.4.4}{4.16.16.4}{4.16.4.16.4... |