s-net: sqc618


  
Barycentric geometry maximising unit cell volume
 Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 4
Edges per primitive translational unit 11
Transitivity (vertex,edge)(4,5)
Vertex degrees {4,6,8,4}
Vertex coordination sequence [(4, 16, 28, 64, 126, 210, 294, 406, 522, 666), (6, 18, 30, 66, 140, 212, 304, 408, 532, 668), (8, 16, 38, 82, 138, 214, 302, 410, 530, 670), (4, 18, 44, 92, 152, 232, 324, 436, 560, 704)]
Wells’ vertex symbol [3^4.4^2, 3^4.4^4.5^4.6^3, 3^4.4^8.5^8.6^8, 4.6^4.8]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 2, 3, 0, 0, 0, 2, 3, 0, 0, 1, 2, 3, 0, 1, 0, 2, 3, 0, 1, 1, 2, 4, 0, 0, 0, 2, 4, 0, 0, 1, 3, 4, 0, -1, 0, 3, 4, 0, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.66593 2.04109 1.4427 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0 0 0.5
0.5 0 0
0.5 0 0.5

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.51311 1.06102 1.83475 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0 0 0.5
0.5 0 0
0.5 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 hqc1869 *222222 (4,5,2) {4,8,6,4} {10.10.10.10}{10.3.3.10.10.3.3.1...

h-nets with edge collapse

No items to display.