Crystal and Molecular Structure of 2-Amino-3-Ethyl Carboxamido-4-Metyl-5-Carboxy Ethyl Thiophene

Abstract

The crystal and molecular structure of 2-Amino-3-ethyl carboxamido-4-methyl-5-carboxy ethyl thiophene (C 11 H 16 N 2 O 3 S) has been investigated from single crystal X-ray diffraction data. The primary focus is to investigate the molecular geometry of this compound in the solid state along with the associated inter and intra-molecular hydrogen bonding and related weak interactions present in this molecule. This compound crystallizes in the monoclinic space group P2 1 /c with cell parameters, a = 8.1344(3) Å, b = 13.7392(4) Å, c = 11.4704(4) Å, β = 100.769(2)˚, V = 1259.36 (7) Å 3 , D = 1.352 g•cm-3 , Z = 4. The molecular geometry is stabilized by intra-molecular N-H…O=C and C-H…O interactions along with intramolecular C-H…N and C-H…O interactions which contribute towards the stability of the crystal packing.