s-net: sqc1917
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {5,6} |
| Vertex coordination sequence | [(5, 17, 50, 104, 170, 252, 350, 464, 594, 740), (6, 20, 54, 108, 174, 256, 354, 468, 598, 744)] |
| Wells’ vertex symbol | [4^5.6^5, 4^6.6^6.8^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 2, 2, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 3, 0, 0, 1, 2, 4, 0, 1, 0, 3, 4, -2, 0, -1, 3, 4, 0, 1, 0, 3, 5, 0, 0, 0, 3, 6, 0, 0, 0, 4, 5, 0, -1, 1, 4, 6, 0, 0, 0, 5, 6, 0, 1, 0, 5, 6, 1, 1, 0, 5, 6, 2, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.39507 | 2.56568 | 1.07371 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.0625 | 0.5 |
| 0 | 0.25 | 0.75 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.41396 | 1.65287 | 0.63999 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.24914 | 0.5 |
| 0 | 0.25 | 0.56205 |
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 |
|---|---|---|---|---|---|
 |
hqc669 | *22222 | (2,4,3) | {5,6} | {4.4.4.4.4}{4.4.4.4.4.4} |