s-net: sqc3970


 
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 21
Transitivity (vertex,edge)(2,4)
Vertex degrees {6,6}
Vertex coordination sequence [(6, 18, 48, 66, 126, 180, 248, 312, 402, 480), (6, 20, 45, 79, 125, 185, 247, 321, 410, 507)]
Wells’ vertex symbol [3^6.4^6.5^3, 3^3.4^3.5^9]
Systre key (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 2, 3, 1, 0, 0, 2, 4, 0, 0, 0, 2, 5, 0, 1, 0, 2, 6, 1, 1, -1, 2, 7, 0, 0, 1, 3, 4, -1, 0, 1, 3, 5, -1, 0, 1, 3, 6, 0, 0, 0, 3, 7, 0, 0, 1, 4, 5, 0, 0, 0, 4, 6, 1, 1, -1, 4, 7, 1, 0, 0, 5, 6, 1, 0, 0, 5, 7, 0, -1, 1, 6, 7, 0, -1, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: R-3m

Parameters:

a b c alpha beta gamma
2.42812 2.42812 5.48416 90.0 90.0 120.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.28571 0.14286 0.28571

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: R-3m

Parameters:

a b c alpha beta gamma
2.72684 2.72684 3.01541 90.0 90.0 120.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.24449 0.12224 0.31721

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 hqc335 *2626 (2,4,3) {6,6} {12.4.3.3.4.12}{3.3.3.3.3.3}

h-nets with edge collapse

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