(E)-1-Methyl-4-[2-(2-naphthyl)vinyl]pyridinium iodideThis paper is dedicated to the late Her Royal Highness Princess Galyani Vadhana Krom Luang Naradhiwas Rajanagarindra for her patronage of Science in Thailand.
In the title compound, C18H16N+·I−, the cation is disordered over two orientations related by a 180° rotation about its long axis with occupancies of 0.554 (7) and 0.446 (7).Both disorder components exist in an Moringa E configuration.The dihedral angle between the pyridinium ring and the naphthalene