s-net: sqc1764
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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 | {4,3,6} |
| Vertex coordination sequence | [(4, 16, 36, 68, 134, 200, 280, 418, 504, 636), (3, 12, 30, 69, 117, 193, 271, 376, 496, 613), (6, 14, 38, 72, 132, 196, 296, 382, 500, 666)] |
| Wells’ vertex symbol | [5^4.7.8, 5.6^2, 5^4.6^3.7^4.8^2.10^2] |
| 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, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, 0, 1, 0, 3, 5, -1, 0, 0, 3, 6, 1, 1, 0, 3, 7, 2, 1, 0, 3, 8, 1, 0, 0, 4, 8, 0, 0, 1, 5, 7, 1, 1, 1, 6, 6, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.71484 | 4.70163 | 1.17519 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0 |
| 0.25 | 0.125 | 0.5 |
| 0 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.69828 | 2.09161 | 0.96856 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0 |
| 0.25 | 0.00935 | 0.5 |
| 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 |
|---|---|---|---|---|---|
 |
hqc803 | *22222 | (3,4,2) | {3,6,4} | {6.5.6}{6.5.5.6.5.5}{5.5.5.5} |