s-net: sqc3931
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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 | 21 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {4,12,6} |
| Vertex coordination sequence | [(4, 24, 28, 114, 94, 288, 212, 512, 388, 804), (12, 14, 72, 62, 216, 158, 414, 320, 672, 512), (6, 14, 66, 62, 210, 164, 414, 314, 678, 512)] |
| Wells’ vertex symbol | [3^2.4^2.5.6, 3^6.4^6.5^12.6^24.7^6.8^6.9^6, 4^6.6^6.8^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 3, 0, 0, 0, 1, 3, 0, 0, 1, 1, 4, 0, 0, 0, 1, 4, 1, 0, 0, 1, 5, 0, 0, 0, 1, 5, 0, 1, 0, 1, 6, 0, 0, 0, 1, 6, 0, 1, 0, 1, 7, 0, 0, 0, 1, 7, 1, 0, 0, 2, 3, 0, 0, 0, 2, 8, 0, 0, 0, 3, 8, 1, -1, 0, 4, 7, 0, 0, 0, 4, 8, 0, -1, 0, 5, 6, 0, 0, 0, 5, 8, 1, -1, 0, 6, 8, 0, -1, 1, 7, 8, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.2233 | 3.2233 | 2.89683 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.13333 | 0.26667 | 0.26667 |
| 0 | 0 | 0.5 |
| 0 | 1 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.15615 | 2.15615 | 3.85285 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.07463 | 0.14925 | 0.24589 |
| 0 | 0 | 0.5 |
| 0 | 1 | 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 |
|---|---|---|---|---|---|
 |
hqc533 | *2626 | (3,3,2) | {4,12,6} | {3.8.8.3}{3.8.3.8.3.8.3.8.3.8.3.... |