s-net: sqc3057
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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 | 18 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {3,3} |
| Vertex coordination sequence | [(3, 6, 12, 24, 34, 57, 83, 109, 142, 179), (3, 6, 12, 24, 36, 55, 83, 114, 139, 182)] |
| Wells’ vertex symbol | [9^3, 9^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 6, 1, 0, 0, 3, 7, 0, 0, 0, 4, 5, 0, 1, 0, 4, 8, 0, 0, 0, 5, 9, 0, 0, 0, 6, 10, 0, 0, 0, 7, 10, 0, 0, 1, 7, 11, 0, 0, 0, 8, 9, 1, 1, 0, 8, 12, 0, 0, 0, 9, 11, 0, -1, -1, 10, 12, 0, -1, -1, 11, 12, -1, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 6.31948 | 6.31948 | 2.71455 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.05128 | 0.48718 | 0.08333 |
| 0.15385 | 0.38462 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 6.01422 | 6.01422 | 2.74882 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.0604 | 0.47309 | 0.06615 |
| 0.28605 | 0.10565 | 0.30221 |
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 |
|---|---|---|---|---|---|
 |
hqc42 | *2(12)(12) | (1,2,2) | {3} | {12.24.24} |