2023 Final Exam

(1) How to distinguish the so-called Soviet-Union-diamond and real one? Propose three methods.

(2) The legendary hexagonal diamond Lonsgeleite, is it's structure stable?

(3) Find the birefringence (double refraction) of calcite, and compare with results from experiments. (Make sure you do convergence tests.)

(4) Using VCA to calculate the magnetic moment of various mixing ratio of Ni-Cu alloys as accurate as possible.

(5) Is the bond order C₂ dimer 4? If not what should be your prediction? What's wrong with the picture is quadruple bond model based on sp² hybridization plus p_z picture.