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A hexagonal unit-cell with 1 or 2 atoms in the basic unit cell
The hexagonal unit-cell is the equivalent of an FCC(111) surface, i.e. a close-packed lattice.
bond (float) – bond length between atoms (not lattice constant)
atoms (Atom, optional) – the atom (or atoms) that the hexagonal lattice consists of.
orthogonal (bool) – if True returns an orthogonal lattice (2 atoms), otherwise a non-orthogonal lattice (1 atom).
Geometry