s-net: sqc2923
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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 | {5,4} |
| Vertex coordination sequence | [(5, 14, 29, 50, 77, 110, 149, 194, 245, 302), (4, 12, 27, 48, 76, 110, 149, 194, 245, 302)] |
| Wells’ vertex symbol | [4^4.6^6, 4^2.6^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, 0, 1, 0, 2, 5, -1, 1, 0, 2, 6, 0, 0, 0, 3, 5, -1, 1, 0, 3, 7, 0, 0, 0, 4, 6, 0, 0, 1, 4, 7, 0, 0, 0, 4, 7, 1, 0, 0, 4, 8, 0, 0, 0, 5, 8, 0, 0, -1, 6, 7, 0, 1, -1, 6, 8, 0, 1, -1, 7, 8, -1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.13219 | 3.48385 | 3.01673 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0.16667 |
| 0.16667 | 0.25 | 0.33333 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.00006 | 3.46245 | 3.00143 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0.16659 |
| 0.24998 | 0.25 | 0.33341 |
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 |
|---|---|---|---|---|---|
 |
hqc1040 | *22222 | (2,5,3) | {5,4} | {4.4.6.4.4}{4.4.6.6} |