s-net: sqc769
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 4 |
| Edges per primitive translational unit | 12 |
| Transitivity (vertex,edge) | (4,6) |
| Vertex degrees | {4,4,8,8} |
| Vertex coordination sequence | [(4, 20, 48, 126, 200, 340, 450, 648, 794, 1052), (4, 20, 54, 126, 194, 306, 422, 596, 756, 980), (8, 34, 72, 138, 216, 338, 470, 644, 818, 1044), (8, 26, 72, 130, 224, 332, 480, 632, 832, 1028)] |
| Wells’ vertex symbol | [5^5.8, 3^4.4^2, 3^4.4^4.5^12.6^7.8, 3^4.4^4.5^12.6^8] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 0, 1, 1, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 2, 3, 0, 0, -1, 2, 3, 0, 0, 0, 2, 4, -1, 0, 0, 2, 4, 0, 0, 0, 4, 4, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.69492 | 1.69478 | 1.31347 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0.5 | 0 |
| 0.5 | 0.5 | 0.5 |
| 0 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.01078 | 1.32812 | 1.28187 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0.5 | 0 |
| 0.5 | 0.5 | 0.5 |
| 0 | 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc2038 | *222222 | (4,6,2) | {4,8,8,4} | {6.6.6.6}{6.3.3.6.6.3.3.6}{6.6.3... |