Abstract
Abstract
2D and 3D lattice complexes with increased self-coordination numbers Ti
, i = 1–3, of nearest, second and third neighbors were derived for characteristic Wyckoff sets with zero or one parameters. Structure types of adsorbed atoms in 2D or elements A in 3D and A
x
B
y
compounds are approximated to the list of lattice complexes. Covalent bonding or electronic effects of atoms like lone electron pairs or Jahn–Teller distortion give rise to deviations from lattice complexes. Homogeneous structures A
x
B
y
with identical A–A or B–B self-coordination numbers T
1, T
2, T
3 of nearest, next-nearest and third neighbors are selected for different systems like magnetic ordering with A = ⊕ and B = ⊖ spin direction or crystals of organic molecules with different orientations.
Subject
Physical and Theoretical Chemistry