s-net: sqc1976
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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 | 16 |
| Transitivity (vertex,edge) | (4,3) |
| Vertex degrees | {8,3,8,4} |
| Vertex coordination sequence | [(8, 12, 58, 50, 176, 120, 394, 218, 640, 344), (3, 20, 24, 98, 75, 256, 156, 488, 265, 786), (8, 16, 68, 58, 208, 128, 396, 226, 696, 352), (4, 24, 30, 112, 84, 290, 166, 496, 276, 842)] |
| Wells’ vertex symbol | [4^4.6^20.8^4, 4.6^2, 4^4.6^20.8^4, 4^4.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 5, 0, 1, 0, 2, 6, 0, 0, 0, 3, 6, 0, 1, 0, 4, 6, 0, 0, 1, 5, 6, 1, 0, 1, 6, 7, 0, 0, 0, 6, 7, 0, 1, 0, 6, 7, 1, 0, 0, 6, 7, 1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.51575 | 1.51575 | 2.83571 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.16667 | 0.5 | 0.16667 |
| 0.5 | 0.5 | 0.5 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.41434 | 1.41434 | 3.1072 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.20702 | 0.5 | 0.2071 |
| 0.5 | 0.5 | 0.5 |
| 0 | 0 | 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 |
|---|---|---|---|---|---|
 |
hqc871 | *4444 | (4,3,2) | {8,3,8,4} | {8.6.8.6.8.6.8.6}{8.6.6}{6.6.6.6... |