s-net: sqc3723
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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 | 20 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {7,3} |
| Vertex coordination sequence | [(7, 27, 88, 183, 313, 466, 657, 871, 1130, 1399), (3, 11, 47, 138, 218, 404, 514, 782, 940, 1298)] |
| Wells’ vertex symbol | [4^7.6^7.7^7, 4^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 1, 4, 1, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 5, -1, -1, 0, 2, 7, 0, 0, 0, 3, 4, 0, 0, 1, 3, 5, -1, 0, 1, 3, 5, 0, -2, -1, 3, 7, 1, -1, -1, 3, 8, 0, 0, 0, 4, 5, -2, 0, 1, 4, 5, 0, -1, -1, 4, 7, 0, 0, 0, 4, 8, -1, 1, 1, 5, 6, 1, 1, 0, 6, 8, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.92991 | 1.92991 | 1.81881 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0.25 |
| 0.5 | 0.5 | 0.125 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.42806 | 1.42806 | 1.40969 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.24816 | 0.24816 | 0.25 |
| 0.5 | 0.5 | 0.14351 |
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 |
|---|---|---|---|---|---|
 |
hqc1308 | *22222 | (2,5,4) | {7,3} | {4.4.4.4.4.4.4}{4.4.4} |