Crystal Structure,Conformation and Vibrational Analysis of a Mannich Base: 2-[(phenylamino) methyl]-isoindole-1,3-dione |
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Authors: | S. Franklin D. Tamilvendan G. Venkatesa Prabhu T. Balasubramanian |
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Affiliation: | (1) Department of Physics, National Institute of Technology, Tiruchirappalli, 620015, Tamilnadu, India;(2) Department of Chemistry, National Institute of Technology, Tiruchirappalli, India;(3) Present address: Department of Physics, Bishop Heber College, Tiruchirappalli, 620017, Tamilnadu, India; |
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Abstract: | Abstract The crystal structure of 2-[(phenylamino) methyl]-isoindole-1,3-dione, C15H12N2O2, crystallizes in the triclinic space group Pī with cell parameters of a = 7.1176 (2) ?, b = 8.5533 (3) ?, c = 10.9163 (4) ?, α = 95.937 (2)°, β = 102.975 (2)°, γ = 108.474 (2)°, V = 603.18 (4) ?3 and Z = 2. This indole derivative is a Mannich base in which a methyl group bridges the molecules of phthalimide and aniline molecules. The dihedral angle between the phthalimide and aniline is 75.47 (3)°. The molecules of the title compound forms a centrosymmetric hydrogen-bonded dimer through a pair of N–H···O hydrogen bonds. C–H···π and an extensive π···π interactions, in addition, stabilize the molecular structure. The compound presented here is V-shaped, the angle at the methyl bridge [N–C–N] being 115.04 (12)°. Present study reports the conformation and hydrogen bonding interactions which play an important role in biological functions. Vibration analysis complement the structure analysed. |
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