s-net: sqc3963
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 9 |
| Edges per primitive translational unit | 21 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {3,8} |
| Vertex coordination sequence | [(3, 14, 54, 135, 262, 437, 624, 870, 1127, 1444), (8, 28, 84, 188, 332, 510, 724, 970, 1254, 1574)] |
| Wells’ vertex symbol | [3.7^2, 3^4.6^4.7^14.8^5.9] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 5, 1, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 2, 4, 0, 0, 0, 2, 7, 0, 0, 1, 3, 5, 0, 0, 0, 3, 6, -1, 0, 1, 4, 5, 0, 0, 2, 4, 5, 1, -1, -2, 4, 7, 0, -1, 0, 4, 8, 0, 0, 0, 4, 9, 0, 0, 0, 5, 6, -1, 0, 0, 5, 8, 0, 0, -2, 5, 9, -1, 1, 2, 8, 9, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.25909 | 4.25909 | 1.37964 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.04167 | 0.45833 | 0.08333 |
| 0.5 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.5013 | 2.5013 | 1.12494 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.14496 | 0.06662 | 0.39473 |
| 0.5 | 0 | 0.5 |
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 |
|---|---|---|---|---|---|
 |
hqc408 | *2626 | (2,3,3) | {8,3} | {6.3.18.3.6.3.18.3}{3.18.18} |