s-net: sqc240


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 4
Edges per primitive translational unit 9
Transitivity (vertex,edge)(3,5)
Vertex degrees {3,8,4}
Vertex coordination sequence [(3, 13, 32, 69, 125, 201, 292, 398, 522, 662), (8, 20, 50, 98, 166, 246, 346, 462, 594, 742), (4, 20, 54, 106, 174, 258, 358, 474, 606, 754)]
Wells’ vertex symbol [3.6^2, 3^4.4^2.6^15.7^4.8^3, 6^5.8]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, -1, 0, 0, 1, 4, 0, 0, 0, 2, 4, 0, 0, 1, 3, 3, 0, 0, -1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
2.55689 1.47598 1.27785 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
2.01099 0.92535 0.9683 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.49855 0
0 0.5 0.5
0.5 0.5 0.5

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 hqc1112 *22222 (3,5,2) {3,8,4} {6.3.6}{6.6.3.3.6.6.3.3}{6.6.6.6}
Net details hqc1119 *222222 (3,5,2) {3,8,4} {12.3.12}{12.12.3.3.12.12.3.3}{1...

h-nets with edge collapse

No items to display.