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In the title compound C14H15NO (systematic name: 1-n-propylaminomethylene-2-naphthalenone), an intramolecular N-H...O hydrogen bond [N...O 2.578 (2), N-H 0.775, H...O 1.936 Å] arises when the hydroxyl-H atom of the Schiff base prepared from 2-hydroxy-1-naphthaldehyde and n-propylamine shifts to the N atom. This is the consequence of the pronounced quinoidal effect in the 2-oxy-1-naphthaldimine moiety with a very short C3=C4 bond of 1.343 (3) Å. The spatial orientation of the N-substituent with respect to the rest of the molecule (which is planar) depends on the surroundings of the molecules defined by the crystal packing.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks global, NPROPIL

hkl

Structure factor file (CIF format)
Supplementary material

CCDC reference: 128029

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