s-net: sqc168


 
Systre crystallographic geometry file (.cgd)

Other names

RCSR name epx

Links to this net in other databases

RCSR topcryst

Topological data

Vertices per primitive translational unit 3
Edges per primitive translational unit 8
Transitivity (vertex,edge)(3,2)
Vertex degrees {4,8,4}
Vertex coordination sequence [(4, 24, 32, 110, 88, 248, 172, 442, 284, 692), (8, 16, 62, 58, 172, 128, 338, 226, 560, 352), (4, 20, 30, 100, 84, 234, 166, 424, 276, 670)]
Wells’ vertex symbol [4^2.6^4, 4^12.6^16, 4^4.6^2]
Systre key (3, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 2, 3, -1, 0, 1, 2, 3, -1, 1, 1, 2, 3, 0, 0, 0, 2, 3, 0, 1, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: I-4m2

Parameters:

a b c alpha beta gamma
1.33531 1.33531 3.27151 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.5 0 0.25
0 0.5 0.25

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: I-4m2

Parameters:

a b c alpha beta gamma
1.41417 1.41417 2.82868 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.5 0 0.25
0 0.5 0.25

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 hqc31 *488 (2,1,1) {4,8} {16.16.16.16}{16.16.16.16.16.16....

h-nets with edge collapse