s-net: sqc9138
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 18 |
| Edges per primitive translational unit | 36 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {4,4} |
| Vertex coordination sequence | [(4, 6, 16, 26, 44, 62, 84, 114, 140, 170), (4, 8, 14, 30, 40, 68, 82, 116, 136, 174)] |
| Wells’ vertex symbol | [3^2.9^4, 3^2.4.9^2.10] |
| 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, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 5, 0, 0, 0, 4, 7, 1, 0, 0, 4, 9, 0, 0, 0, 5, 7, 1, 0, 0, 5, 10, 0, 0, 0, 6, 8, 0, 1, 0, 6, 11, 0, 0, 0, 6, 12, 0, 0, 0, 8, 11, 0, -1, 0, 8, 12, 0, -1, 0, 9, 10, 0, 0, 1, 9, 13, 0, 0, 0, 9, 14, 0, 0, 0, 10, 13, 0, 0, -1, 10, 14, 0, 0, -1, 11, 15, 0, 0, 0, 11, 16, 0, 0, 0, 12, 15, 0, 0, -1, 12, 16, 0, 0, -1, 13, 17, 0, 0, 0, 13, 18, 0, 0, 0, 14, 17, 0, -1, 0, 14, 18, 0, -1, 0, 15, 16, 0, 0, 0, 15, 18, -1, 0, 0, 16, 17, 0, 0, 0, 17, 18, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pm-3n
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.86077 | 3.86077 | 3.86077 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.25 |
| 0 | 0.08333 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pm-3n
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.71765 | 3.71765 | 3.71765 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.25 |
| 0 | 0.12269 | 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 |
|---|---|---|---|---|---|
 |
hqc283 | *2223 | (2,3,2) | {4,4} | {3.9.9.3}{3.9.3.9} |