5. (10 points). In class we talked about the steps require…
5. (10 points). In class we talked about the steps required for determining a structure using X-ray diffraction. Answer the questions below about X-ray structure determination. a. (2 points). Why are crystals used for diffraction experiments rather than a single molecule, which in principle could diffract an X-ray? b. (2 points). Describe Bragg’s law and why it allows for one to see reflections (i.e., a diffraction pattern). c. (2 points). Why are Miller indices useful for describing an X-ray diffraction experiment? d. (2 points). Describe the setup for an X-ray diffraction experiment and how one would collect data. e. (2 points). What is the “phase problem” in X-ray crystallography and describe one method that allows one to solve the phase problem.