s-net: sqc3716
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 12 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (4,5) |
| Vertex degrees | {3,3,4,4} |
| Vertex coordination sequence | [(3, 6, 15, 34, 61, 104, 172, 253, 349, 457), (3, 6, 15, 34, 63, 103, 171, 253, 348, 460), (4, 10, 20, 36, 68, 124, 196, 282, 382, 504), (4, 10, 20, 36, 72, 130, 202, 288, 382, 496)] |
| Wells’ vertex symbol | [4.8^2, 4.8^2, 8^4.12^2, 8^4.12^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 2, -1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 9, 0, 0, 0, 4, 10, 0, 0, 0, 5, 9, 0, 1, 1, 5, 10, 0, 1, 1, 6, 7, 0, 0, 1, 6, 8, 0, 0, 1, 7, 11, 0, 0, 0, 8, 12, 0, 0, 0, 9, 12, -1, 0, 0, 10, 11, 1, -1, 0, 11, 11, -1, 0, -1, 12, 12, -1, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.48353 | 6.96922 | 1.79994 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.08333 | 0.375 |
| 0.08333 | 0 | 0.5 |
| 0.25 | 0 | 0.5 |
| 0 | 0.25 | 0.125 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.99732 | 7.22471 | 1.00062 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.11619 | 0.28819 |
| 0.24956 | 0 | 0.5 |
| 0.25 | 0 | 0.5 |
| 0 | 0.25 | 0.0327 |
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 |
|---|---|---|---|---|---|
 |
hqc138 | *2224 | (2,3,2) | {3,4} | {4.8.8}{8.8.8.8} |