s-net: sqc1821


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 7
Edges per primitive translational unit 16
Transitivity (vertex,edge)(4,4)
Vertex degrees {3,8,8,4}
Vertex coordination sequence [(3, 10, 38, 90, 172, 280, 398, 542, 741, 937), (8, 28, 70, 148, 236, 346, 486, 692, 840, 1114), (8, 32, 86, 154, 264, 372, 542, 686, 920, 1096), (4, 24, 80, 162, 244, 396, 504, 730, 860, 1164)]
Wells’ vertex symbol [4.6^2, 4^4.6^10.7^8.8^2.10^4, 4^12.6^16, 4^2.6^4]
Systre key (3, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 2, 3, -1, 0, 1, 2, 3, -1, 1, 1, 2, 3, 0, 0, 0, 2, 3, 0, 1, 0, 3, 4, 0, 0, 0, 3, 5, 0, 0, 0, 3, 6, 0, 0, 0, 3, 7, 0, 0, 0, 4, 6, 0, 1, -1, 4, 7, 0, 0, -1, 5, 6, -1, 1, 0, 5, 7, -1, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: I-4m2

Parameters:

a b c alpha beta gamma
1.77667 1.77667 3.58648 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.33333 0 0.3
0 0 0.5
0 0 1
0 0.5 0.25

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: I-4m2

Parameters:

a b c alpha beta gamma
1.41465 1.41465 2.83626 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.31532 0 0.41364
0 0 0.5
0 0 0
0 0.5 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 hqc747 *4444 (4,4,2) {3,8,8,4} {4.7.7}{7.7.7.7.7.7.7.7}{7.7.7.7...

h-nets with edge collapse

No items to display.