A. Determine the Fhkl Factor of the ionic crystal NaCl, assuming the scattering factors for Na and Cl atoms are fNa and fcl B. calculate Fhkl for field (111), (200)

Chemistry: The Molecular Science
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ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter9: Liquids, Solids, And Materials
Section: Chapter Questions
Problem 74QRT
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The NaCl ionic crystal has an fcc structure as shown below with the position of the Cl atom
located at: (0 0 0): (1/2 1/2 0): (1/2 0 1/2) and (0 1/2 1/2) and the Na atom is located at: (1/2
1/2) 1/2) + translation fcc. ionic radius Na = 0.98 A, Cl ion radius = 1.81
A. Determine the Fhkl Factor of the ionic crystal NaCl, assuming the scattering factors for Na
and Cl atoms are fNa and fcl
B. calculate Fhkl for field (111), (200)
C. Determine the Bragg diffraction angle for the (111) and (200) NaCl crystals if the x-ray
source used is Cuka (wavelength = 1.54 A)
Transcribed Image Text:The NaCl ionic crystal has an fcc structure as shown below with the position of the Cl atom located at: (0 0 0): (1/2 1/2 0): (1/2 0 1/2) and (0 1/2 1/2) and the Na atom is located at: (1/2 1/2) 1/2) + translation fcc. ionic radius Na = 0.98 A, Cl ion radius = 1.81 A. Determine the Fhkl Factor of the ionic crystal NaCl, assuming the scattering factors for Na and Cl atoms are fNa and fcl B. calculate Fhkl for field (111), (200) C. Determine the Bragg diffraction angle for the (111) and (200) NaCl crystals if the x-ray source used is Cuka (wavelength = 1.54 A)
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