s-net: sqc2717
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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 | 18 |
| Transitivity (vertex,edge) | (4,5) |
| Vertex degrees | {4,4,6,4} |
| Vertex coordination sequence | [(4, 12, 40, 80, 158, 222, 340, 438, 600, 720), (4, 16, 38, 100, 142, 256, 306, 494, 538, 794), (6, 16, 56, 86, 178, 222, 372, 428, 638, 702), (4, 18, 42, 100, 138, 254, 308, 482, 546, 780)] |
| Wells’ vertex symbol | [5^2.7^2.8^2, 5^2.6.7^2.8, 4^2.5.6^9.7^2.8, 4^2.6^2.8^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 6, 1, 0, 0, 3, 6, 0, 0, 1, 3, 6, 0, 1, 1, 4, 6, 1, 1, 0, 4, 7, -2, 1, 1, 4, 7, 0, 0, 0, 5, 6, -1, 1, 1, 5, 8, -1, 0, 1, 5, 8, 0, 0, 0, 7, 8, 1, 0, 0, 7, 8, 2, -1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: C2/c
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.90299 | 2.58078 | 2.51765 | 90.0 | 100.8652 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.25 | 0.75 | 0.25 |
| 0.25 | 0.58333 | 0 |
| 0.25 | 0.25 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: C2/c
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.48028 | 0.96558 | 1.75112 | 90.0 | 103.6241 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.25 | 0.25 | 0 |
| 0 | 0.21851 | 0.75 |
| 0.25 | 0.75 | 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 |
|---|---|---|---|---|---|
 |
hqc1231 | *222222 | (4,4,2) | {4,4,6,4} | {7.7.7.7}{7.7.7.7}{7.4.7.7.4.7}{... |