s-net: sqc2199


 
Systre crystallographic geometry file (.cgd)

Other names

RCSR name tzs
Keywords sphere packing
Fisher-Koch-Sowa symbol 4/4/t8

Links to this net in other databases

RCSR topcryst

Topological data

Vertices per primitive translational unit 8
Edges per primitive translational unit 16
Transitivity (vertex,edge)(1,3)
Vertex degrees {4}
Vertex coordination sequence [(4, 11, 22, 39, 60, 86, 116, 151, 190, 235)]
Wells’ vertex symbol [4.6^5]
Systre key (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 6, 0, 1, 0, 3, 7, 1, 0, 0, 3, 8, 0, 0, 1, 4, 6, -1, 1, 0, 4, 7, 0, 1, 0, 4, 8, 0, 0, 0, 5, 6, -1, 1, 1, 5, 7, 0, 0, 1, 5, 8, -1, 0, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: I4/mcm

Parameters:

a b c alpha beta gamma
3.29425 3.29425 2.68974 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.125 0.375 0.1875

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: I4/mcm

Parameters:

a b c alpha beta gamma
3.21847 3.21847 2.66748 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.14645 0.35355 0.18744

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 hqc92 2*44 (1,2,2) {4} {4.12.12.12}

h-nets with edge collapse

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