s-net: sqc1818


 
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 16
Transitivity (vertex,edge)(4,4)
Vertex degrees {16,8,4,4}
Vertex coordination sequence [(16, 76, 188, 348, 556, 812, 1116, 1468, 1868, 2316), (8, 42, 146, 298, 498, 746, 1042, 1386, 1778, 2218), (4, 42, 142, 294, 494, 742, 1038, 1382, 1774, 2214), (4, 22, 80, 232, 424, 664, 952, 1288, 1672, 2104)]
Wells’ vertex symbol [3^16.4^58.5^36.6^10, 3^4.4^14.5^4.6^6, 3^4.4^2, 4^6]
Systre key (3, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 2, 2, -1, 0, 0, 2, 2, -1, 0, 1, 2, 2, 0, -1, 0, 2, 2, 0, -1, 1, 2, 3, 0, 0, 0, 2, 3, 0, 0, 1, 2, 3, 0, 1, 0, 2, 3, 1, 0, 0, 3, 4, 0, 0, 0, 3, 4, 0, 0, 1, 3, 4, 0, 1, 0, 3, 4, 1, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: I-4m2

Parameters:

a b c alpha beta gamma
1.49642 1.49642 1.78809 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: I-4m2

Parameters:

a b c alpha beta gamma
1.72699 1.72699 0.9579 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0 0.5 0.25
0.5 0 0.25
0 0 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 hqc860 *4444 (4,4,2) {16,4,8,4} {5.5.3.3.5.5.3.3.5.5.3.3.5.5.3.3...

h-nets with edge collapse

No items to display.