s-net: sqc4090
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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 | 22 |
| Transitivity (vertex,edge) | (2,7) |
| Vertex degrees | {7,4} |
| Vertex coordination sequence | [(7, 27, 79, 166, 296, 459, 661, 903, 1178, 1496), (4, 15, 55, 137, 260, 421, 623, 865, 1146, 1467)] |
| Wells’ vertex symbol | [4^9.6^12, 4^3.6^2.7] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 2, -1, -1, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 6, 0, 0, 1, 3, 6, 0, 1, 0, 3, 8, 0, 0, 0, 4, 4, -1, 0, 0, 4, 6, 1, 1, 1, 4, 7, 0, 1, 0, 4, 8, 1, 0, 1, 4, 8, 1, 1, 1, 5, 7, 0, 0, 0, 5, 7, 0, 0, 1, 5, 8, 1, 0, 1, 8, 8, -1, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: C2/c
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.22802 | 1.80256 | 2.71376 | 90.0 | 111.5865 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.36364 | 0.125 | 0.02273 |
| 0.20455 | 0.16667 | 0.09091 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: C2/c
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.96154 | 1.22034 | 1.66204 | 90.0 | 108.7731 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.12255 | 0.21794 | 0.18157 |
| 0.25525 | 0.37956 | 0.7158 |
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 |
|---|---|---|---|---|---|
 |
hqc1670 | *222222 | (2,6,4) | {7,4} | {4.4.4.6.4.4.4}{4.4.6.6} |