s-net: sqc3270
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 12 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (4,5) |
| Vertex degrees | {4,3,4,3} |
| Vertex coordination sequence | [(4, 12, 28, 52, 80, 118, 168, 228, 296, 370), (3, 5, 10, 23, 47, 84, 133, 192, 259, 338), (4, 10, 22, 42, 74, 116, 166, 226, 288, 366), (3, 6, 13, 26, 51, 92, 143, 197, 262, 335)] |
| Wells’ vertex symbol | [6^4.8.10, 4.8^2, 6.8^4.14, 4.8^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 2, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 5, 0, 1, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 9, 0, 0, 0, 4, 10, 0, 0, 0, 5, 5, -1, 0, 0, 6, 11, 0, 0, 0, 6, 12, 0, 0, 0, 7, 9, 0, 0, 1, 7, 10, 0, 0, 1, 8, 11, 0, 1, -1, 8, 12, 0, 1, -1, 9, 12, 1, 0, -1, 10, 11, 1, 1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.79264 | 6.57163 | 1.69685 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0 |
| 0.375 | 0.25 | 0.375 |
| 0 | 0 | 0 |
| 0 | 0.66667 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.0 | 7.27542 | 1.00013 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0 |
| 0.3689 | 0.25 | 0.34578 |
| 0 | 0 | 0 |
| 0 | 0.63498 | 0.18876 |
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 |
|---|---|---|---|---|---|
 |
hqc1494 | *22222 | (4,5,2) | {4,4,3,3} | {8.8.8.8}{8.8.8.8}{8.4.8}{8.8.4} |