s-net: sqc1910
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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 | {3,12,4,4} |
| Vertex coordination sequence | [(3, 23, 30, 177, 118, 472, 260, 906, 458, 1480), (12, 20, 126, 90, 380, 216, 774, 398, 1308, 636), (4, 4, 36, 44, 228, 146, 552, 300, 1016, 510), (4, 40, 42, 216, 136, 530, 286, 984, 492, 1578)] |
| Wells’ vertex symbol | [4^2.6, 4^8.6^34.8^20.10^4, 4^4.6^2, 4^4.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 3, 0, 0, 0, 1, 3, 1, 0, 1, 1, 4, 0, 0, 0, 1, 4, 0, 0, 1, 1, 5, 0, 0, 0, 1, 5, 1, 1, 0, 1, 6, 0, 0, 0, 1, 6, 0, 1, 0, 3, 7, 0, 0, 0, 4, 7, 1, 0, 0, 5, 7, 0, -1, 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 |
|---|---|---|---|---|---|
| 1.88562 | 1.88562 | 3.44265 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.16667 | 0.16667 | 0 |
| 0.5 | 0 | 0.25 |
| 1 | 0 | 0 |
| 0 | 0.5 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.63735 | 1.63735 | 3.17304 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.35408 | 0.35408 | 0 |
| 0.5 | 0 | 0.25 |
| 1 | 0 | 0 |
| 0 | 0.5 | 0.25 |
Edge end points:
Hyperbolic sources
h-nets with faithful topology
2 records listed.| Image | h-net name | Orbifold symbol | Transitivity (Vert,Edge,Face) | Vertex Degree | 2D Vertex Symbol |
|---|---|---|---|---|---|
 |
hqc876 | *4444 | (4,3,2) | {3,12,4,4} | {8.6.6}{8.6.6.8.6.6.8.6.6.8.6.6}... |
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hqc908 | *4444 | (4,3,2) | {4,3,12,4} | {4.4.4.4}{4.16.4}{4.16.16.4.16.1... |