s-net: sqc3877
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 12 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (3,5) |
| Vertex degrees | {4,3,3} |
| Vertex coordination sequence | [(4, 9, 18, 30, 52, 77, 97, 128, 172, 214), (3, 7, 17, 31, 47, 72, 97, 131, 168, 198), (3, 7, 17, 30, 48, 70, 96, 133, 155, 214)] |
| Wells’ vertex symbol | [4.7^3.8.9, 7^2.8, 7^2.8] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 7, 0, 0, 0, 3, 9, 0, 0, 0, 3, 10, 0, 0, 0, 4, 6, 1, 0, 0, 4, 11, 0, 0, 0, 5, 9, 0, 1, 0, 5, 12, 0, 0, 0, 6, 9, 0, 0, 1, 7, 11, 0, -1, 0, 7, 12, 1, -1, 1, 8, 10, -1, 0, 0, 8, 11, -1, 0, -1, 10, 12, 1, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I-4
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.02311 | 4.02311 | 3.39918 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.08333 | 0.375 | 0.3125 |
| 0.29167 | 0.16667 | 0.27083 |
| 0.45833 | 0.16667 | 0.10417 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I-4
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.93149 | 3.93149 | 3.43684 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.08696 | 0.36309 | 0.31287 |
| 0.26562 | 0.18434 | 0.2799 |
| 0.46082 | 0.18479 | 0.09336 |
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 |
|---|---|---|---|---|---|
 |
hqc1391 | *4444 | (2,4,4) | {3,4} | {8.16.12}{12.16.4.16} |