Journal
JOURNAL OF MOLECULAR STRUCTURE
Volume 1262, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.molstruc.2022.133061
Keywords
Co-crystal; X-ray diffraction; DFT; HF; Hirshfeld surface; Crystal voids
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A novel co-crystal of 3-aminobenzoic acid with 4-acetyl pyridine has been synthesized and its structure determined using single crystal X-ray diffraction. The co-crystal shows stability through ring motif, hydrogen bonding, and pi-pi interactions. Density functional theory and Hartree Fock methods were employed to analyze the molecular interactions and packing in the co-crystal.
A novel co-crystal of 3-aminobenzoic acid with 4-acetyl pyridine (ABA:AP) has been synthesized and its structure determined by single crystal X-ray diffraction (SCXRD) methods. It crystallizes in the monoclinic crystal system with space group P2(1)/n and unit cell parameters a = 7.573(11) angstrom, b = 10.718(11) angstrom, c = 15.77(2) angstrom, beta = 98.10(10)degrees, Z = 4. The co-crystal is stabilized by R-2(2) (8) ring motif, hydrogen bonding and pi-pi interactions. Density functional theory (DFT) and Hartree Fock (HF) methods with basis set of B3LYP/6-311 + G(d,p) have been employed to obtain the optimized structural geometry, Mulliken charges, molecular electrostatic potential (MSP) and frontier molecular orbitals. The contribution of distinct interactions within the molecule and the strength of molecular packing in the co-crystal have been investigated by Hirshfeld surface (HS) analysis. (C) 2022 Elsevier B.V. All rights reserved.
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