s-net: sqc2171
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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 | 16 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {4,4,4} |
| Vertex coordination sequence | [(4, 12, 28, 44, 66, 120, 152, 188, 240, 322), (4, 8, 18, 42, 73, 101, 147, 193, 252, 296), (4, 6, 16, 38, 66, 94, 130, 200, 232, 292)] |
| Wells’ vertex symbol | [8^5.12, 3^2.4.8^3, 3^2.8^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, 0, 0, 0, 2, 4, 0, 0, 0, 2, 6, 0, 0, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 7, 1, 0, 0, 4, 8, 1, 0, 0, 5, 6, 0, 1, 0, 5, 6, 1, 1, 0, 5, 7, 0, 0, 1, 6, 8, -1, -2, 1, 7, 8, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.41677 | 2.4242 | 2.96866 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0.5 |
| 0.05 | 0.25 | 0.16667 |
| 0 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.95908 | 2.00009 | 2.75989 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0.5 |
| 0.10082 | 0.25 | 0.2562 |
| 0 | 0 | 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 |
|---|---|---|---|---|---|
 |
hqc819 | *22222 | (3,4,2) | {4,4,4} | {3.10.10.3}{3.10.3.10}{10.10.10.10} |