s-net: sqc8405


  
Barycentric geometry maximising unit cell volume
 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 36
Transitivity (vertex,edge)(3,5)
Vertex degrees {8,12,8}
Vertex coordination sequence [(8, 46, 138, 322, 626, 1012, 1502, 2106, 2804, 3598), (12, 46, 156, 346, 622, 1034, 1538, 2138, 2834, 3626), (8, 46, 116, 298, 562, 922, 1398, 1984, 2664, 3440)]
Wells’ vertex symbol [3^8.4^10.5^8.6^2, 3^12.4^14.5^24.6^16, 3^8.4^10.5^8.6^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, -1, 0, 0, 1, 5, 0, 0, 0, 2, 3, 0, 0, 0, 2, 3, 0, 0, 1, 2, 3, 0, 1, 0, 2, 3, 1, 0, 0, 2, 6, 0, -1, 1, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 7, 1, -1, 0, 2, 8, 0, 0, -1, 2, 8, 0, 0, 0, 3, 6, 0, -1, 0, 3, 7, 0, -1, 0, 3, 8, 0, 0, -1, 4, 5, -1, 0, 0, 4, 5, -1, 0, 1, 4, 5, -1, 1, 0, 4, 5, 0, 0, 0, 4, 6, -1, -1, 1, 4, 7, 0, -1, 1, 4, 8, 0, -1, 0, 5, 6, 0, -2, 1, 5, 6, 0, -1, 0, 5, 7, 0, -1, 1, 5, 7, 1, -2, 1, 5, 8, 1, -1, -1, 5, 8, 1, -1, 0, 6, 6, 0, -1, 1, 7, 7, -1, 1, 0, 8, 8, 0, 0, -1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: I41/a

Parameters:

a b c alpha beta gamma
1.88206 1.88206 2.14952 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0 0.25 0.625
0 0.25 0.125

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: I41/a

Parameters:

a b c alpha beta gamma
1.94417 1.94417 2.00209 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0 0.25 0.625
0 0.25 0.125

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 hqc44 *24(12) (2,2,1) {8,12} {3.3.3.3.3.3.3.3}{3.3.3.3.3.3.3....

h-nets with edge collapse

No items to display.