A 2D crystal with plane group c2mm (No. 9) has lattice constants of 6.0 along...

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A 2D crystal with plane group c2mm (No. 9) has lattice constants of 6.0 Å along t₁ and 10.0 Å along t₂. If there is an atom A located at the relative coordinate (0.3, 0.5) (1) Plot a unit cell with all A atoms inside a unit cell (0 <= all relative coordinates <= 1). Label the relative coordinate of each atom inside this unit cell. (2) Calculate the shortest distance between two A atoms (Hint: you need to identify its nearest neighbors of an A atom by plotting multiple unit cells of this 2D crystal correctly.). t1 t2 A 2D crystal with plane group c2mm (No. 9) has lattice constants of 6.0 Å along t₁ and 10.0 Å along t₂. If there is an atom A located at the relative coordinate (0.3, 0.5) (1) Plot a unit cell with all A atoms inside a unit cell (0 <= all relative coordinates <= 1). Label the relative coordinate of each atom inside this unit cell. (2) Calculate the shortest distance between two A atoms (Hint: you need to identify its nearest neighbors of an A atom by plotting multiple unit cells of this 2D crystal correctly.). t1 t2

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