s-net: sqc88


 
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 8
Transitivity (vertex,edge)(3,5)
Vertex degrees {8,4,4}
Vertex coordination sequence [(8, 26, 58, 112, 190, 292, 418, 568, 742, 940), (4, 16, 44, 92, 164, 260, 380, 524, 692, 884), (4, 12, 32, 74, 144, 240, 360, 504, 672, 864)]
Wells’ vertex symbol [4^21.6^7, 4.6^5, 6^4.8^2]
Systre key (3, 1, 1, -1, -2, 0, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, -1, -1, 0, 1, 2, 0, 0, 0, 2, 3, 0, 0, 0, 2, 3, 0, 0, 1, 3, 3, 0, -1, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
0.85853 2.42785 1.08614 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
0.9767 2.3617 0.95412 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0 0 0.5
0 0.5 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 hqc667 *222222 (3,5,2) {8,4,4} {4.6.6.4.4.6.6.4}{6.6.6.6}{6.6.6.6}

h-nets with edge collapse

No items to display.