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The crystal structure of a compartmental heptadentate ligand
1 , 2 , 2 , * 2
1  Departamento de Química Inorgánica, Facultade de Química, Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain
2  Departamento de Química Inorgánica, Facultade de Ciencias, Universidade de Santiago de Compostela, E-27002 Lugo, Spain

Abstract: 2-(2-hydroxyphenyl)-1,3-bis[4-(2-hydroxyphenyl)-3-azabut-3-enyl]-1,3-imidazolidine (H3L) was obtained with high purity by Schiff's condensation between 5-bromosalicyaldehyde and triethylenetetramine. Its recrystallisation in methanol yields single crystals suitable for X-ray diffraction studies. H3L crystallises in the monoclinic system, space group P21/c, with a = 21.641(3) Å, b = 11.1217(14) Å, c = 11.4156(15) Å and β = 90.016 º.

 
 
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