s-net: sqc27


 
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 6
Transitivity (vertex,edge)(2,3)
Vertex degrees {6,3}
Vertex coordination sequence [(6, 16, 32, 56, 86, 122, 166, 216, 272, 336), (3, 11, 30, 55, 85, 122, 165, 215, 272, 335)]
Wells’ vertex symbol [4^2.6^10.8^3, 4.6^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 2, 3, 0, 0, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.44349 1.44349 2.0414 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.61109 1.00008 2.185 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.5 0 0.27117

Edge end points:

Hyperbolic sources

h-nets with faithful topology

2 records listed.
Image h-net name Orbifold symbol Transitivity (Vert,Edge,Face) Vertex Degree 2D Vertex Symbol
Net details hqc277 *22222 (2,3,2) {3,6} {6.6.6}{6.6.6.6.6.6}
Net details hqc291 *22222 (2,3,2) {3,6} {8.4.8}{8.8.4.8.8.4}

h-nets with edge collapse