s-net: sqc1768


 
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 16
Transitivity (vertex,edge)(3,4)
Vertex degrees {4,4,4}
Vertex coordination sequence [(4, 12, 28, 54, 92, 142, 202, 274, 356, 448), (4, 12, 28, 54, 92, 144, 210, 284, 362, 456), (4, 12, 28, 54, 92, 144, 206, 278, 360, 452)]
Wells’ vertex symbol [6^5.8, 6^4.8^2, 6^4.8^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 2, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 5, 0, 0, 1, 3, 6, 0, 1, 0, 3, 7, 0, 0, 0, 4, 5, -1, 0, 0, 4, 6, 1, 0, 0, 4, 8, 0, 0, 0, 5, 7, -1, 0, -1, 6, 7, 1, -1, 0, 7, 8, 0, 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
5.25164 3.32007 1.17413 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.2 0 0
0.25 0.25 0.5
0 0 0

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Cmma

Parameters:

a b c alpha beta gamma
5.99975 2.82872 1.00002 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.16667 0 0
0.25 0.25 0.5
0 0 0

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 hqc823 *222222 (3,4,2) {4,4,4} {6.10.10.6}{6.10.6.10}{10.10.10.10}

h-nets with edge collapse

No items to display.