s-net: sqc581
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|
| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 4 |
| Edges per primitive translational unit | 11 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {3,8} |
| Vertex coordination sequence | [(3, 12, 39, 84, 144, 220, 312, 420, 544, 684), (8, 28, 64, 116, 184, 268, 368, 484, 616, 764)] |
| Wells’ vertex symbol | [3.4^2, 3^2.4^14.5^6.6^5.7] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 0, 1, 1, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 0, 0, -1, 2, 4, 0, -1, 0, 3, 4, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.54584 | 2.32336 | 1.42256 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.375 | 0 | 0 |
| 0.25 | 0.25 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.91727 | 1.96357 | 1.00582 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.26496 | 0 | 0 |
| 0.25 | 0.25 | 0 |
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 |
|---|---|---|---|---|---|
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hqc1628 | *222222 | (2,6,4) | {8,3} | {4.4.3.8.8.3.4.4}{3.8.8} |
 |
hqc1675 | *222222 | (2,6,4) | {8,3} | {4.4.4.6.6.4.4.4}{4.4.6} |
