s-net: sqc3188
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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) | (2,6) |
| Vertex degrees | {4,6} |
| Vertex coordination sequence | [(4, 12, 41, 116, 244, 460, 769, 1171, 1662, 2253), (6, 24, 77, 176, 353, 617, 975, 1430, 1980, 2627)] |
| Wells’ vertex symbol | [4^2.6^3.7, 4^4.6^7.7^2.8^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, -1, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 3, 0, 0, -1, 3, 6, 0, 0, 0, 3, 6, 0, 1, 0, 3, 7, 0, 0, 0, 4, 5, 0, 0, -1, 4, 7, -1, -1, 0, 4, 7, 0, -1, -1, 5, 8, 0, 0, 0, 5, 8, 1, 0, -1, 6, 6, 0, -1, -1, 6, 8, 0, 0, -1, 7, 8, 1, 1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I212121
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.009 | 2.0104 | 2.69993 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.03571 | 0.42857 | 0.28125 |
| 0.17857 | 0.28571 | 0.46875 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I212121
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.39693 | 1.29017 | 1.48579 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.21384 | 0.15376 | 0.13019 |
| 0.07717 | 0.02741 | 0.41023 |
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 |
|---|---|---|---|---|---|
 |
hqc1266 | *222222 | (2,6,4) | {6,4} | {4.4.8.8.4.4}{8.4.4.8} |