s-net: sqc4756


 
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 {18,4,6}
Vertex coordination sequence [(18, 86, 218, 414, 674, 998, 1386, 1838, 2354, 2934), (4, 34, 127, 296, 524, 816, 1172, 1592, 2076, 2624), (6, 14, 102, 272, 506, 798, 1154, 1574, 2058, 2606)]
Wells’ vertex symbol [3^6.4^42.5^24.6^45.7^18.8^18, 3^2.4^2.5^2, 4^6.5^9]
Systre key (3, 1, 1, -1, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, 0, -1, 1, 2, -1, -1, -2, 1, 2, 0, 0, 0, 1, 3, -1, -1, -2, 1, 3, 0, 0, 0, 1, 4, 0, -1, 0, 1, 4, 0, 0, 0, 1, 5, -1, 0, 0, 1, 5, 0, 0, 0, 1, 6, -1, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, -1, 0, 1, 7, 0, 0, 0, 2, 3, 0, 0, 0, 2, 8, 0, 0, 0, 3, 8, 0, -1, -1, 4, 7, 0, 0, 0, 4, 8, 0, 0, -1, 5, 6, 0, 0, 0, 5, 8, 0, -1, -1, 6, 8, 0, -1, -2, 7, 8, -1, -1, -2)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: R-3m

Parameters:

a b c alpha beta gamma
2.77637 2.77637 2.26725 90.0 90.0 120.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.13333 0.26667 0.36667
0 0 0.5

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: R-3m

Parameters:

a b c alpha beta gamma
2.05141 2.05141 1.24767 90.0 90.0 120.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.21839 0.10919 0.27478
0 0 0.5

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
Net details hqc772 *2626 (3,4,2) {18,4,6} {5.3.5.5.3.5.5.3.5.5.3.5.5.3.5.5...

h-nets with edge collapse

No items to display.