s-net: sqc1263


 
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 14
Transitivity (vertex,edge)(2,3)
Vertex degrees {3,4}
Vertex coordination sequence [(3, 8, 20, 37, 56, 79, 108, 140, 175, 216), (4, 10, 20, 33, 52, 77, 104, 136, 172, 211)]
Wells’ vertex symbol [6.8^2, 6^4.8^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 2, 4, 0, 0, 0, 2, 5, 0, 0, 0, 3, 6, 0, 0, 0, 3, 7, 0, 0, 0, 4, 6, 0, 1, 0, 4, 8, 0, 0, 0, 5, 5, -1, 0, 0, 5, 7, 0, 0, 1, 6, 6, -1, 0, 0, 7, 8, 0, -1, -1, 8, 8, -1, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
3.77665 3.77665 1.09023 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
3.82842 3.82842 1.00001 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.3694 0
0.18489 0.18489 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 hqc480 *22222 (2,4,2) {4,3} {6.8.8.6}{6.8.8}

h-nets with edge collapse