s-net: sqc720


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 3
Edges per primitive translational unit 12
Transitivity (vertex,edge)(3,3)
Vertex degrees {12,8,4}
Vertex coordination sequence [(12, 56, 136, 252, 404, 592, 816, 1076, 1372, 1704), (8, 34, 100, 192, 344, 520, 732, 980, 1264, 1584), (4, 24, 68, 174, 288, 476, 682, 924, 1202, 1516)]
Wells’ vertex symbol [4^52.5^8.6^6, 4^14.5^8.6^6, 4^2.5^4]
Systre key (3, 1, 1, -1, -1, -1, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 1, 2, -2, -1, -1, 1, 2, -1, -1, 0, 1, 2, -1, 0, -1, 1, 2, 0, 0, 0, 2, 3, -1, -1, -1, 2, 3, -1, -1, 0, 2, 3, 0, -1, 0, 2, 3, 0, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: I-4m2

Parameters:

a b c alpha beta gamma
1.29339 1.29339 1.82914 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: I-4m2

Parameters:

a b c alpha beta gamma
1.49358 1.49358 0.95785 90.0 90.0 90.0

Vertex positions:

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

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 hqc255 *4444 (3,3,2) {12,8,4} {4.5.5.4.5.5.4.5.5.4.5.5}{5.5.5....

h-nets with edge collapse

No items to display.