s-net: sqc3196


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 8
Edges per primitive translational unit 20
Transitivity (vertex,edge)(2,4)
Vertex degrees {4,6}
Vertex coordination sequence [(4, 13, 34, 63, 96, 138, 188, 243, 308, 381), (6, 17, 36, 63, 96, 138, 188, 243, 308, 381)]
Wells’ vertex symbol [3.4.6^4, 3^2.4^5.5^4.6^2.7^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, -1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 5, -1, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 5, 0, 1, 0, 3, 7, 0, 0, 0, 4, 4, -1, 0, 0, 4, 6, 0, 0, 0, 4, 7, -1, 0, 1, 4, 7, 0, 0, 1, 5, 8, 0, 0, 0, 6, 6, -1, 0, 0, 6, 8, -1, 0, 1, 6, 8, 0, 0, 1, 7, 8, 0, 1, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
3.1702 3.1702 1.05641 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.33333 0.33333 0
0.16667 0.16667 0.5

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
3.22474 3.22474 1.0 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.34495 0.34495 0
0.15505 0.15505 0.5

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 hqc1322 *4444 (2,4,5) {6,4} {4.8.3.12.3.8}{3.12.4.12}

h-nets with edge collapse