s-net: sqc3897


 
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 {18,3,6}
Vertex coordination sequence [(18, 104, 316, 656, 1124, 1720, 2444, 3296, 4276, 5384), (3, 36, 162, 428, 818, 1336, 1982, 2756, 3658, 4688), (6, 8, 96, 334, 692, 1178, 1792, 2534, 3404, 4402)]
Wells’ vertex symbol [4^24.5^60.6^57.7^12, 4^2.5, 4^6.5^9]
Systre key (3, 1, 1, -2, -1, 1, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 1, 2, -1, -1, 0, 1, 2, 0, 0, 0, 1, 3, -1, -1, 0, 1, 3, 0, 0, 0, 1, 4, -1, 0, 0, 1, 4, 0, 0, 0, 1, 5, -1, 0, 1, 1, 5, 0, 0, 0, 1, 6, -1, 0, 1, 1, 6, 0, 0, 0, 1, 7, -1, 0, 0, 1, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 8, 0, 0, -1, 4, 8, 1, 0, -1, 5, 8, 0, 0, -1, 6, 8, 0, -1, -1, 7, 8, -1, -1, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: R-3m

Parameters:

a b c alpha beta gamma
2.68548 2.68548 1.99566 90.0 90.0 120.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.22222 0.11111 0.27778
0 0 0.5

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: R-3m

Parameters:

a b c alpha beta gamma
2.08356 2.08356 0.98473 90.0 90.0 120.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.15213 0.30426 0.24627
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 hqc560 *2626 (3,3,2) {18,3,6} {5.4.5.5.4.5.5.4.5.5.4.5.5.4.5.5...

h-nets with edge collapse

No items to display.