s-net: sqc3216


 
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 20
Transitivity (vertex,edge)(3,6)
Vertex degrees {8,4,4}
Vertex coordination sequence [(8, 32, 76, 142, 224, 332, 452, 602, 760, 952), (4, 18, 54, 110, 192, 292, 417, 553, 719, 893), (4, 12, 32, 76, 140, 228, 348, 482, 624, 798)]
Wells’ vertex symbol [4^8.5^10.6^6.7^4, 4^2.5^3.7, 5^5.7]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 4, 0, 0, 1, 2, 6, 0, -1, 1, 2, 7, 0, 0, 0, 3, 4, -1, 0, 1, 3, 5, -1, -1, 1, 3, 8, 0, 0, 0, 4, 4, -1, 0, 0, 4, 5, -1, -1, 1, 4, 6, 0, -1, 1, 5, 8, 1, 0, -1, 6, 7, 0, 0, -1, 7, 8, 0, 0, 0, 7, 8, 1, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Imma

Parameters:

a b c alpha beta gamma
1.52956 2.41901 3.74825 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.25 0.05 0.25
0.25 0.25 0.75

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Imma

Parameters:

a b c alpha beta gamma
1.17674 2.61842 4.05031 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.25 0.08338 0.25
0.25 0.25 0.75

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 hqc1444 *222222 (3,6,2) {8,4,4} {6.4.4.6.6.4.4.6}{6.6.4.4}{6.6.6.6}

h-nets with edge collapse

No items to display.