s-net: sqc3181
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 8 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {3,7} |
| Vertex coordination sequence | [(3, 13, 52, 128, 236, 374, 544, 744, 972, 1230), (7, 27, 77, 157, 273, 419, 593, 797, 1031, 1292)] |
| Wells’ vertex symbol | [4.6^2, 4^7.6^12.7^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 2, -1, -1, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 3, -1, 0, 0, 3, 6, 0, 0, 1, 3, 7, 0, 0, 1, 3, 7, 0, 1, 1, 3, 8, 0, 0, 0, 4, 6, 1, 1, 1, 4, 7, 0, 1, 0, 5, 7, 0, 1, 1, 5, 8, 1, 1, 1, 7, 7, -1, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: C2/c
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.40386 | 1.84299 | 2.60654 | 90.0 | 105.7231 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.32143 | 0.25 | 0.64286 |
| 0.39286 | 0.125 | 0.53571 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: C2/c
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.29609 | 1.31798 | 1.52499 | 90.0 | 103.7012 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.19371 | 0.06223 | 0.28484 |
| 0.40933 | 0.28469 | 0.6349 |
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 |
|---|---|---|---|---|---|
 |
hqc1276 | *222222 | (2,5,4) | {7,3} | {4.4.6.6.6.4.4}{6.6.6} |