s-net: sqc1962
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {8,4,4} |
| Vertex coordination sequence | [(8, 22, 54, 100, 148, 214, 320, 364, 518, 616), (4, 20, 42, 98, 138, 196, 304, 388, 426, 670), (4, 20, 48, 84, 152, 214, 266, 420, 466, 590)] |
| Wells’ vertex symbol | [3^4.4^4.5^8.6^8.7^4, 3^2.4^2.5^2, 5^4.6.7] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 2, 3, -1, 0, 0, 2, 3, 0, 1, 0, 2, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 6, 0, 1, 0, 3, 4, 1, -1, 1, 3, 5, 0, 0, 1, 3, 6, 0, 0, 0, 3, 6, 1, 0, 0, 4, 5, -1, 0, 0, 4, 5, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.69978 | 1.9095 | 2.61345 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.4 |
| 0.25 | 0 | 0.5 |
| 0.25 | 0.25 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.45646 | 1.99227 | 1.13839 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.75 | 0.55639 |
| 0.25 | 0 | 0.5 |
| 0.25 | 0.25 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc818 | *22222 | (3,4,2) | {8,4,4} | {3.5.5.3.3.5.5.3}{3.5.3.5}{5.5.5.5} |