s-net: sqc2704
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 8 |
| Edges per primitive translational unit | 18 |
| Transitivity (vertex,edge) | (4,4) |
| Vertex degrees | {4,6,4,4} |
| Vertex coordination sequence | [(4, 12, 26, 62, 72, 158, 140, 302, 236, 482), (6, 12, 42, 50, 122, 106, 242, 190, 402, 298), (4, 12, 28, 46, 100, 98, 220, 182, 380, 290), (4, 20, 28, 82, 76, 182, 148, 322, 244, 502)] |
| Wells’ vertex symbol | [3^2.4.6^2.7, 3^2.6^8.8^3.9^2, 6^4.8^2, 6^4.8^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 1, 4, 1, 0, 0, 2, 4, 0, 0, 0, 2, 5, 0, 0, 0, 3, 6, 0, 0, 0, 3, 6, 0, 0, 1, 4, 5, 0, 0, 1, 5, 7, 0, 0, 0, 5, 8, 0, 0, 0, 6, 7, 0, 0, 0, 6, 7, 1, 0, 0, 6, 8, 0, -1, 0, 6, 8, 1, -1, 0, 7, 8, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.64706 | 2.64706 | 1.7757 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.4 | 0 |
| 0.5 | 0 | 0.5 |
| 0 | 0 | 0 |
| 0.5 | 0.5 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.39461 | 2.39461 | 1.94818 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.33331 | 0 |
| 0.5 | 0 | 0.5 |
| 0 | 0 | 0 |
| 0.5 | 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc1162 | *2244 | (4,4,2) | {4,6,4,4} | {3.6.6.3}{3.6.6.3.6.6}{6.6.6.6}{... |