See:

http://www.daylight.com/dayhtml/doc/theory/theory.smarts.html

Look at the first section,  "4.1 SMARTS Atomic Primitives" section. Both
"x" and "X" are valid, but not with spaces.

Craig

On Tue, Nov 20, 2018 at 9:21 AM Leif Peterson <
outlook_ea1c3adb71ba7...@outlook.com> wrote:

> I am using OB and SmartsPattern fetching in 2D compounds, and need to
> fetch a published SMARTS which looks like the following:
>
> [CX4;H]([#6 × 4,c,F,Cl,Br,I])([#6 × 4,c,F,Cl,Br,I])[#6 × 4,c,F,Cl,Br,I]
>
> and there are actually spaces around the × symbols between the 6 and 4.
>
> Question is, should I change this multiplication notation to a lower case
> "x", delete the spaces, or really use some sort of ASCII symbol which
> represents multiplication? I didn't see a multiplication symbol anywhere in
> the Daylight SMARTS description.
>
>
> _______________________________________________
> OpenBabel-discuss mailing list
> OpenBabel-discuss@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/openbabel-discuss
>


-- 
---------------------------------
Craig A. James
Chief Technology Officer
eMolecules, Inc.
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