s-net: sqc3132
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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) | (4,6) |
| Vertex degrees | {4,8,4,4} |
| Vertex coordination sequence | [(4, 16, 55, 149, 320, 582, 934, 1381, 1927, 2569), (8, 32, 92, 220, 436, 758, 1174, 1686, 2294, 2998), (4, 20, 60, 152, 324, 586, 946, 1396, 1952, 2596), (4, 12, 43, 111, 234, 464, 786, 1191, 1687, 2289)] |
| Wells’ vertex symbol | [4^4.5.6, 4^8.5^5.6^12.7^2.8, 5^3.6^2.8, 5^2.6^3.7] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 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, 4, -1, 0, 0, 3, 4, 0, -1, 0, 3, 7, -1, 0, 0, 4, 7, 0, 0, 1, 5, 6, 1, -1, 1, 5, 7, 0, -1, 1, 5, 8, 0, 0, 1, 6, 8, -1, 1, -1, 6, 8, 0, 1, 0, 7, 7, -1, 1, -1, 7, 7, 0, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I212121
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.06953 | 2.25297 | 2.07149 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.91667 | 0 |
| 0.5 | 0.25 | 0.375 |
| 0.375 | 0.5 | 0.25 |
| 0.75 | 0.16667 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I212121
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.36545 | 1.3071 | 1.57358 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.27471 | 0 |
| 0 | 0.25 | 0.21167 |
| 0.44576 | 0 | 0.25 |
| 0.75 | 0.54881 | 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 |
|---|---|---|---|---|---|
 |
hqc1439 | *222222 | (4,6,2) | {4,8,4,4} | {4.4.4.4}{4.6.6.4.4.6.6.4}{6.6.6... |