s-net: sqc74


 
Systre crystallographic geometry file (.cgd)

Other names

RCSR name tfo

Links to this net in other databases

RCSR topcryst

Topological data

Vertices per primitive translational unit 4
Edges per primitive translational unit 7
Transitivity (vertex,edge)(2,3)
Vertex degrees {3,4}
Vertex coordination sequence [(3, 8, 20, 36, 57, 82, 109, 144, 182, 222), (4, 10, 20, 38, 58, 80, 112, 144, 180, 226)]
Wells’ vertex symbol [6.8^2, 6^4.8.10]
Systre key (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 2, 3, 0, 0, 1, 2, 4, 0, 1, 0, 3, 4, -1, 0, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Fmmm

Parameters:

a b c alpha beta gamma
2.16542 4.33236 3.0629 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.125 0
0 0.25 0.25

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Fmmm

Parameters:

a b c alpha beta gamma
2.00003 4.37358 3.21962 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.11432 0
0 0.25 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 hqc480 *22222 (2,4,2) {4,3} {6.8.8.6}{6.8.8}

h-nets with edge collapse