s-net: sqc734


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 4
Edges per primitive translational unit 12
Transitivity (vertex,edge)(4,4)
Vertex degrees {10,6,4,4}
Vertex coordination sequence [(10, 34, 74, 130, 202, 290, 394, 514, 650, 802), (6, 26, 62, 114, 186, 274, 378, 498, 634, 786), (4, 24, 66, 122, 194, 282, 386, 506, 642, 794), (4, 16, 54, 106, 174, 266, 370, 490, 626, 778)]
Wells’ vertex symbol [3^8.4^8.5^16.6^12.8, 4^4.5^8.6^3, 3^4.4^2, 4^4.6^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, -1, -1, 0, 1, 2, -1, 0, 0, 1, 2, 0, -1, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 0, 1, 3, 4, -1, -1, 0, 3, 4, -1, 0, 0, 3, 4, 0, -1, 0, 3, 4, 0, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
1.18737 1.18737 2.90846 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
1.29225 1.29225 2.10544 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Hyperbolic sources

h-nets with faithful topology

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h-nets with edge collapse