s-net: sqc2432


 
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 18
Transitivity (vertex,edge)(3,5)
Vertex degrees {4,8,3}
Vertex coordination sequence [(4, 20, 58, 118, 202, 306, 434, 582, 750, 942), (8, 26, 60, 118, 186, 290, 418, 554, 730, 914), (3, 15, 48, 98, 168, 254, 368, 516, 674, 858)]
Wells’ vertex symbol [5^4.6.8, 4^2.5^8.6^13.8^5, 4.6^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 2, 7, 0, 1, 0, 2, 8, 0, 0, 0, 3, 6, -1, 1, 0, 3, 6, 0, 0, 1, 3, 8, 0, 0, 1, 4, 5, 1, 0, -1, 4, 8, 0, 0, 0, 5, 8, 1, -1, 1, 6, 8, 1, -1, 0, 7, 8, 1, -1, 1, 8, 8, -1, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Cmma

Parameters:

a b c alpha beta gamma
3.54012 2.50351 1.44569 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.25 0 0
0 0 0
0.375 0.25 0.25

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Cmma

Parameters:

a b c alpha beta gamma
4.00097 2.00194 1.00097 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.25 0 0
0 0 0
0.28381 0.25 0.01936

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 hqc1129 *222222 (3,5,2) {4,8,3} {5.5.5.5}{5.8.8.5.5.8.8.5}{5.8.8}

h-nets with edge collapse

No items to display.