s-net: sqc2026
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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 | {6,5} |
| Vertex coordination sequence | [(6, 24, 58, 118, 186, 274, 378, 502, 626, 790), (5, 19, 56, 112, 183, 267, 372, 493, 623, 776)] |
| Wells’ vertex symbol | [4^2.5^4.6^8.8, 4^3.5^4.6^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, 1, 1, 0, 2, 4, 0, 1, 0, 2, 6, 0, 0, 0, 3, 4, -1, 0, -1, 3, 4, 0, 0, 1, 3, 5, -1, -1, 1, 3, 6, 1, 0, 1, 4, 5, 0, -1, 1, 4, 6, 1, 0, 1, 5, 6, 0, 0, 0, 5, 6, 1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.69696 | 1.90778 | 1.90678 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.125 | 0.25 | 0.375 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.99839 | 1.22217 | 1.83528 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.39937 | 0.25 | 0.28353 |
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 |
|---|---|---|---|---|---|
 |
hqc621 | *222222 | (2,4,3) | {5,6} | {4.6.6.6.4}{6.6.6.6.6.6} |