s-net: sqc827
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 7 |
| Edges per primitive translational unit | 12 |
| Transitivity (vertex,edge) | (5,6) |
| Vertex degrees | {3,4,4,3,4} |
| Vertex coordination sequence | [(3, 7, 16, 27, 49, 78, 113, 161, 200, 257), (4, 10, 24, 44, 66, 98, 142, 176, 228, 272), (4, 10, 14, 26, 40, 68, 104, 144, 186, 252), (3, 7, 14, 23, 43, 70, 107, 147, 200, 243), (4, 12, 28, 44, 68, 96, 128, 182, 220, 276)] |
| Wells’ vertex symbol | [5.7^2, 6.7^4.8, 5^4.8^2, 5^2.7, 6^4.8.10] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 2, 3, 0, 0, 0, 2, 4, 0, 0, 0, 3, 5, -1, 0, 0, 3, 5, 0, 0, 0, 4, 6, -1, 0, 0, 4, 6, 0, 0, 0, 5, 7, 0, 0, 0, 6, 7, 0, 0, 1, 7, 7, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.91763 | 1.19075 | 4.61087 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.3 |
| 0 | 0 | 0.5 |
| 0 | 0.5 | 0 |
| 0 | 0.5 | 0.2 |
| 0.5 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.00007 | 1.00004 | 5.73192 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.32554 |
| 0 | 0 | 0.5 |
| 0 | 0.5 | 0 |
| 0 | 0.5 | 0.17446 |
| 0.5 | 0 | 0.5 |
Edge end points:
Hyperbolic sources
h-nets with faithful topology
2 records listed.| Image | h-net name | Orbifold symbol | Transitivity (Vert,Edge,Face) | Vertex Degree | 2D Vertex Symbol |
|---|---|---|---|---|---|
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hqc2029 | *222222 | (5,6,2) | {4,3,3,4,4} | {5.5.5.5}{5.14.5}{5.14.14}{14.14... |
 |
hqc2026 | *22222 | (5,6,2) | {4,3,3,4,4} | {5.5.5.5}{5.7.5}{5.7.7}{7.7.7.7}... |