s-net: sqc2889
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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 | 18 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {3,6} |
| Vertex coordination sequence | [(3, 10, 31, 72, 128, 202, 292, 398, 524, 664), (6, 20, 50, 100, 164, 244, 346, 460, 590, 744)] |
| Wells’ vertex symbol | [4^2.6, 4^4.6^8.8^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 2, -1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 0, 1, 1, 2, 6, 0, 0, 1, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, 1, -1, 0, 3, 5, -1, 0, 0, 3, 6, 0, 0, 1, 3, 6, 2, -1, 1, 4, 8, -1, 0, -1, 5, 7, 1, -1, -1, 6, 7, 1, -1, -1, 6, 8, -1, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.12562 | 4.50921 | 1.98938 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0.35714 |
| 0 | 0.08333 | 0.21429 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.72904 | 4.19633 | 0.48537 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0.38467 |
| 0 | 0.12876 | 0.63747 |
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 |
|---|---|---|---|---|---|
 |
hqc990 | *22222 | (2,5,3) | {6,3} | {4.6.4.4.6.4}{6.4.4} |