s-net: sqc2193
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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 | 16 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {4,4,4} |
| Vertex coordination sequence | [(4, 11, 23, 43, 72, 102, 144, 191, 233, 299), (4, 12, 26, 50, 68, 110, 148, 188, 246, 296), (4, 10, 22, 44, 64, 108, 142, 176, 252, 294)] |
| Wells’ vertex symbol | [4.5^2.6^2.8, 5^4.8^2, 4^2.5^2.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, 1, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 7, 0, 1, 0, 3, 8, 0, 0, 0, 4, 5, 1, 1, 0, 4, 7, 0, 1, 0, 4, 8, 0, 0, 1, 5, 6, 0, 0, 1, 5, 7, 0, 0, 0, 6, 8, 0, -1, 0, 6, 8, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.26378 | 2.3352 | 2.8609 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.35 | 0.25 | 0.16667 |
| 0.25 | 0.25 | 0.5 |
| 0.75 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.161 | 2.0001 | 3.03667 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.37983 | 0.25 | 0.22288 |
| 0.25 | 0.25 | 0.5 |
| 0.75 | 0 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc821 | *22222 | (3,4,2) | {4,4,4} | {6.5.5.6}{6.5.6.5}{5.5.5.5} |