s-net: sqc274


 
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 9
Transitivity (vertex,edge)(2,5)
Vertex degrees {6,3}
Vertex coordination sequence [(6, 16, 32, 56, 86, 122, 166, 216, 272, 336), (3, 9, 26, 51, 81, 118, 161, 211, 268, 331)]
Wells’ vertex symbol [3^2.4^5.5^4.6^2.7^2, 3.8^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 0, -1, 0, 2, 4, 0, -1, 0, 3, 4, 0, 0, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
2.5565 2.21317 1.27843 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.16667 0
0.25 1 0

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
2.73201 2.00003 1.00003 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.24999 0
0.31699 0 0

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 hqc1055 *22222 (2,5,3) {6,3} {4.8.3.3.8.4}{8.8.3}

h-nets with edge collapse