s-net: sqc82


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 2
Edges per primitive translational unit 8
Transitivity (vertex,edge)(2,4)
Vertex degrees {4,12}
Vertex coordination sequence [(4, 28, 92, 192, 324, 488, 684, 912, 1172, 1464), (12, 52, 128, 236, 376, 548, 752, 988, 1256, 1556)]
Wells’ vertex symbol [3^2.4^2.5^2, 3^4.4^45.5^12.6^5]
Systre key (3, 1, 1, -1, -2, 0, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 1, 2, -1, -1, -1, 1, 2, -1, -1, 0, 1, 2, 0, 0, -1, 1, 2, 0, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
0.97379 0.97372 1.19266 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
0.82817 0.93323 1.36665 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0 0.5 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 hqc645 *222222 (2,4,3) {12,4} {4.6.3.3.6.4.4.6.3.3.6.4}{6.3.6.3}

h-nets with edge collapse