3. What is the bond length of Na-Cl? Given that the atom co-ordinates are Cl(0,0,0) andNa(1/2,1/2,1/2) and lattice parameter a = 0.563 nm.

Answered: 3. What is the bond length of Na-Cl?…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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3. What is the bond length of Na-Cl? Given that the atom co-ordinates are Cl(0,0,0) and
Na(1/2,1/2,1/2) and lattice parameter a = 0.563 nm.

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Step 1

NaCl has a FCC structure for compounds. Each sodium atoms is surrounded by 6 chloride atoms and each chloride atom is surrounded by 6 sodium atoms. This means that each atom has 6 atoms of opposite kind as its nearest neighbors. Each atom also has 12 atoms of same kind as the next-nearest neighbors.

Considering that the atoms are perfect spheres, we assume that the nearest neighbors touch each other, such that the distance from the center of one atom to its nearest neighbor is the bond length.

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