s-net: sqc1970
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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, 10, 26, 60, 98, 140, 188, 242, 346, 416), (3, 13, 31, 61, 100, 137, 191, 259, 325, 420), (6, 18, 40, 65, 100, 151, 212, 274, 332, 398)] |
| Wells’ vertex symbol | [5^4.8^2, 5^2.6, 5^2.6^9.8^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, -1, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 2, 5, 0, 0, 0, 2, 5, 1, -1, 0, 2, 6, 0, 0, 0, 2, 6, 0, 1, 0, 3, 7, 0, 0, 0, 4, 8, 0, 0, 0, 5, 7, 0, 0, 1, 6, 8, 0, 0, 1, 7, 8, -1, 1, 0, 7, 8, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.29404 | 6.58827 | 1.90118 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0.25 |
| 0.25 | 0.125 | 0.25 |
| 0 | 0.1875 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.06548 | 5.74399 | 1.99791 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0.25 |
| 0.25 | 0.17409 | 0.25 |
| 0 | 0.24443 | 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 |
|---|---|---|---|---|---|
 |
hqc804 | *22222 | (3,4,2) | {6,3,4} | {6.5.6.6.5.6}{6.5.5}{5.5.5.5} |