N-Salicylideneaniline (SA), C13H11NO, belongs to the large family of aromatic Schiff bases. It is of particular importance owing to its reversible photoreactivity. SA forms two photochromic polymorphs, both with two non-coplanar benzene rings. In addition, we have recently discovered a planar polymorph, named the beta-polymorph, which will be discussed in a subsequent paper. We report here the structure of the alpha(2)-polymorph in the orthorhombic crystal system. This compound exhibits a strong intramolecular O-H center dot center dot center dot N hydrogen bond and the dihedral angle between the two rings varies with temperature.
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Univ Tokyo, Grad Sch Arts & Sci, Dept Chem, Meguro Ku, Tokyo 1538902, JapanUniv Tokyo, Grad Sch Arts & Sci, Dept Chem, Meguro Ku, Tokyo 1538902, Japan
Harada, J
;
Harakawa, M
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Univ Tokyo, Grad Sch Arts & Sci, Dept Chem, Meguro Ku, Tokyo 1538902, JapanUniv Tokyo, Grad Sch Arts & Sci, Dept Chem, Meguro Ku, Tokyo 1538902, Japan
Harakawa, M
;
Ogawa, K
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Univ Tokyo, Grad Sch Arts & Sci, Dept Chem, Meguro Ku, Tokyo 1538902, JapanUniv Tokyo, Grad Sch Arts & Sci, Dept Chem, Meguro Ku, Tokyo 1538902, Japan
机构:
Univ Tokyo, Grad Sch Arts & Sci, Dept Chem, Meguro Ku, Tokyo 1538902, JapanUniv Tokyo, Grad Sch Arts & Sci, Dept Chem, Meguro Ku, Tokyo 1538902, Japan
Harada, J
;
Harakawa, M
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h-index: 0
机构:
Univ Tokyo, Grad Sch Arts & Sci, Dept Chem, Meguro Ku, Tokyo 1538902, JapanUniv Tokyo, Grad Sch Arts & Sci, Dept Chem, Meguro Ku, Tokyo 1538902, Japan
Harakawa, M
;
Ogawa, K
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h-index: 0
机构:
Univ Tokyo, Grad Sch Arts & Sci, Dept Chem, Meguro Ku, Tokyo 1538902, JapanUniv Tokyo, Grad Sch Arts & Sci, Dept Chem, Meguro Ku, Tokyo 1538902, Japan