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1,1'-[o-Phenyl-enebis(nitrilo-methyl-idyne)]di-2-naphthol ethanol hemisolvate.


ABSTRACT: The asymmetric unit of the title compound, C(28)H(20)N(2)O(2)·0.5C(2)H(5)OH, contains two independent mol-ecules of 1,1'-[o-phenyl-enebis(nitrilo-methyl-idyne)]di-2-naphthol, denoted A and B, and one ethanol solvent mol-ecule. The hydr-oxy groups are involved in intra-molecular O-H?N hydrogen bonds influencing the mol-ecular conformations, which are slightly different in mol-ecules A and B, where the two bicyclic systems form dihedral angles of 51.93?(9) and 58.52?(9)°, respectively. In the crystal structure, a number of short inter-molecular C?C contacts with distances of less than 3.5?Å suggest the existence of ?-? inter-actions, which contribute to the stability of the crystal packing.

SUBMITTER: Meng TJ 

PROVIDER: S-EPMC2962146 | biostudies-literature | 2008 Jul

REPOSITORIES: biostudies-literature

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1,1'-[o-Phenyl-enebis(nitrilo-methyl-idyne)]di-2-naphthol ethanol hemisolvate.

Meng Tuan-Jie TJ   Qin Xiao-Qiang XQ   Zhao Wen-Xian WX   Huang Xian-Qiang XQ   Wei Guo-Dong GD  

Acta crystallographica. Section E, Structure reports online 20080719 Pt 8


The asymmetric unit of the title compound, C(28)H(20)N(2)O(2)·0.5C(2)H(5)OH, contains two independent mol-ecules of 1,1'-[o-phenyl-enebis(nitrilo-methyl-idyne)]di-2-naphthol, denoted A and B, and one ethanol solvent mol-ecule. The hydr-oxy groups are involved in intra-molecular O-H⋯N hydrogen bonds influencing the mol-ecular conformations, which are slightly different in mol-ecules A and B, where the two bicyclic systems form dihedral angles of 51.93 (9) and 58.52 (9)°, respectively. In the crys  ...[more]

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