Contest reminder

No one has yet won the $20 Destinations Booksellers gift card.

The question, once more, is:

What is the literary significance of the number (-7/2) + (i(sqrt(445/3))/2)?

The answer must:
(1) identify the author;
(2) give the title or first line of the work; and
(3) explain how the number is alluded to in the work.

I have given the following clues:
(1) The work is in English.
(2) The work appears in the standard editions of the author's complete works.
(3) The author is primarily known as an author (rather than, say, a scientist).
(4) The work is not a work of science fiction.

I will now add a fifth clue:
(5) The work was written and published between 1850 and 1900.

For nonmathematicians: i is the square root of -1, sometimes called the imaginary unit, and sqrt is an abbreviation for "square root."

Please post questions or solutions as comments to this post or to "First (?) contest" below. If you have the solution, please give me contact information so I can send you the gift card.