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題組內容

1. Fact: The S-O bonds are shorter in Sulfur dioxide (143.1 pm) than in sulfur monoxide (148.1 pm).

(C) What is the point group of "Sulfur dioxide"?

其他申論題

(a) Draw the lowest energy conformations of 5-A and 5-(B)

(b) Assuming that the reaction proceeds through an SN2 reaction, which bromohydrin (5-A or 5-B) reacts at a faster rate and why?

(A) According to the fact, please draw the most possible Lewis structure of "Sulfur dioxide" and determine the bond order of S-O bond.

(B) Qualitatively explain why the S-O bonds are shorter in Sulfur dioxide than in sulfur monoxide.

(D) Please construct the character table of the point group of "Sulfur dioxide".

(E) How many vibration modes are IR active?

2. (A) Determine the possible microstates for a d⁴ configuration and use them to prepare a microstate table.

(B) Reduce this table to its component free-ion terms, and identify the ground-state term.

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