s-net: sqc4740
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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 | 24 |
| Transitivity (vertex,edge) | (3,5) |
| Vertex degrees | {4,12,12} |
| Vertex coordination sequence | [(4, 30, 76, 281, 551, 1023, 1593, 2291, 3117, 4071), (12, 14, 114, 238, 596, 1064, 1648, 2360, 3200, 4168), (12, 68, 230, 520, 938, 1484, 2158, 2960, 3890, 4948)] |
| Wells’ vertex symbol | [3^2.4^2.5^2, 3^6.4^6.5^30.6^24, 4^18.5^24.6^3.7^18.8^3] |
| Systre key | (3, 1, 1, -2, 1, -1, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 2, 7, 1, 0, 0, 2, 8, 0, 0, -1, 2, 8, 0, 0, 0, 3, 6, 1, -1, 1, 3, 8, 0, -1, 0, 3, 8, 0, 0, 0, 4, 5, 1, -1, 0, 4, 8, -1, 0, -1, 4, 8, 1, -1, 0, 5, 8, -2, 1, -1, 5, 8, 0, 0, 0, 6, 8, -1, 0, -1, 6, 8, -1, 1, -1, 7, 8, -1, 0, -1, 7, 8, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.85376 | 2.85376 | 1.86769 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.26667 | 0.13333 | 0.13333 |
| 0 | 0 | 0.5 |
| 1 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.03807 | 2.03807 | 1.07895 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.10535 | 0.21069 | 0.28215 |
| 0 | 0 | 0.5 |
| 1 | 0 | 1 |
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 |
|---|---|---|---|---|---|
 |
hqc817 | *2626 | (3,4,2) | {4,12,12} | {3.5.5.3}{3.5.3.5.3.5.3.5.3.5.3.... |