s-net: sqc189
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 2 |
| Edges per primitive translational unit | 9 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {4,14} |
| Vertex coordination sequence | [(4, 36, 122, 254, 434, 662, 938, 1262, 1634, 2054), (14, 70, 174, 326, 526, 774, 1070, 1414, 1806, 2246)] |
| Wells’ vertex symbol | [3^2.4^4, 3^4.4^61.5^18.6^8] |
| Systre key | (3, 1, 1, -2, -2, 1, 1, 1, -1, -2, 0, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 1, 2, -1, -1, 0, 1, 2, 0, 0, -1, 1, 2, 0, 0, 0, 1, 2, 1, 1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.04767 | 1.04758 | 0.81189 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.10062 | 1.287 | 0.4816 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc922 | *222222 | (2,4,4) | {14,4} | {4.4.3.4.3.4.4.4.4.3.4.3.4.4}{3.... |