s-net: sqc8203
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 17 |
| Edges per primitive translational unit | 33 |
| Transitivity (vertex,edge) | (5,5) |
| Vertex degrees | {4,3,6,4,6} |
| Vertex coordination sequence | [(4, 10, 21, 41, 77, 131, 180, 282, 377, 510), (3, 8, 22, 46, 87, 140, 219, 300, 428, 550), (6, 12, 24, 48, 74, 114, 180, 246, 356, 456), (4, 14, 36, 80, 138, 214, 312, 430, 548, 714), (6, 18, 48, 90, 158, 230, 336, 438, 582, 714)] |
| Wells’ vertex symbol | [4^2.6.7^2.8, 4.6^2, 4^6.6^6.8^3, 6^4.8^2, 6^6.7^6.11^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 1, 4, 1, 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, 11, 0, 0, 0, 5, 12, 0, 0, 0, 6, 13, 0, 0, 0, 6, 14, 0, 0, 0, 7, 12, 0, 0, 0, 7, 15, 0, 0, 0, 8, 13, 0, -1, 1, 8, 16, 0, 0, 0, 9, 14, -1, 0, 0, 9, 15, 0, 1, 0, 10, 11, 0, 0, 1, 10, 16, -1, 0, 0, 11, 14, -1, 0, 0, 11, 17, 0, 0, 0, 12, 13, 0, -1, 0, 12, 17, 0, 0, 0, 13, 17, 1, 1, 0, 14, 17, 1, 1, 0, 15, 16, -1, 0, 0, 15, 17, 0, 0, 0, 16, 17, 1, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.1742 | 4.1742 | 5.71521 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.125 | 0.06667 |
| 0.29167 | 0.29167 | 0 |
| 1 | 0 | 1 |
| 0.5 | 0.5 | 0 |
| 0.33333 | 0.66667 | 0.16667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.91486 | 2.91486 | 3.57924 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.18206 | 0.09103 | 0.26193 |
| 0 | 0.16568 | 0 |
| 0.66667 | 0.33333 | 0.33333 |
| 0.5 | 0.5 | 0 |
| 0.33333 | 0.66667 | 0.16667 |
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 |
|---|---|---|---|---|---|
 |
hqc1889 | *2626 | (5,5,2) | {4,3,6,4,6} | {7.4.4.7}{7.7.4}{4.4.4.4.4.4}{7.... |