18. How many of the following point groups do NOT have an inversion center? (3 pts)(a) CI (b) Ci, (c

問題詳情

18. How many of the following point groups do NOT have an inversion center? (3 pts)(a) CI (b) Ci, (c) C2 (d)

(e)

(f) S6 (g) S8 (h)Ih K (i) O(j)Oh
(A)4
(B)5
(C)6
(D)7
(E)8