s-net: sqc220


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 3
Edges per primitive translational unit 9
Transitivity (vertex,edge)(3,5)
Vertex degrees {4,6,8}
Vertex coordination sequence [(4, 16, 40, 94, 152, 256, 342, 488, 602, 792), (6, 26, 68, 122, 210, 296, 422, 540, 706, 856), (8, 34, 72, 138, 208, 314, 416, 562, 696, 882)]
Wells’ vertex symbol [5^5.7, 3^2.4^2.5^10.6, 3^4.4^8.5^12.6^4]
Systre key (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, -1, 0, 0, 1, 2, -1, 0, 1, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 2, 3, 0, -1, 0, 2, 3, 0, 0, 0, 3, 3, -1, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.76576 1.44196 1.01923 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.86981 1.26084 1.07991 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0 0.5 0
0.5 0.5 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 hqc1104 *222222 (3,5,2) {8,6,4} {3.6.6.3.3.6.6.3}{3.6.6.3.6.6}{6...

h-nets with edge collapse

No items to display.