On Wed, Dec 4, 2013 at 5:27 AM, Yoel <yoe...@gmail.com> wrote:
> Thanks Noel,
>
> Sure I agree and thanks for answering the original question. For
> Dimitri and I that are looking for assigning R and S your original
> answer was also the correct one since this winding property bears no
> relation to R/S because there are no guarantees that atom 1 is the
> smallest in priority. If 1 was the smallest in priority then clockwise
> would correspond to S because we are looking in the direction from 1
> to 2.
>
> I apologise to Craig and Geoff and to the readers for my contribution
> to the confusion.
>
No need. It's an interesting discussion. One of the disconnects between
computer scientists (that would be me) and chemists is that the fundamental
concepts we use are different. Computer science is an abstract discipline,
essentially a branch of mathematics. When you represent a real-world
object as a mathematical construct, the representation is imperfect and
loses information. It also gains properties in the mathematical world that
aren't present in the real-world object. We need to discuss these topics
from time to time to have a meeting of the minds.
Craig
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