Journal
OPTICAL AND QUANTUM ELECTRONICS
Volume 53, Issue 1, Pages -Publisher
SPRINGER
DOI: 10.1007/s11082-020-02725-7
Keywords
Aspirin; MESP; Molecular modeling; Raman vibrations; DFT
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Molecular modeling is utilized to study the impact of substitutions on the electronic properties of acetylsalicylic acid (aspirin), revealing that additives such as NH2, Cl and CN groups can significantly affect its reactivity, creating a sensitive and tunable molecule. Additionally, the molecular electrostatic potential is used to demonstrate electrophilic or nucleophilic interactions of aspirin, while variations in IR and Raman spectra are achieved through S, CN, Se and Cl functionalization additions.
Molecular modeling among the most promising techniques in a so called computer-aided drug design. Accordingly, a model based on molecular modeling is established in order to study the substitutional impact upon electronic properties of acetylsalicylic acid which is commonly known as aspirin. Each model structure is subjected to calculation using DFT at B3LYP/6-31G(d,p) model. The reactivity of aspirin is highly affected by several additives, such as NH2, Cl and CN groups. Such behavior constructs a highly sensitive tunable molecule that can be fulfilled in promising applications. Molecular electrostatic potential (MESP) is chosen to show either electrophilic or nucleophilic aspirin interplays. Both IR and Raman spectra are efficiently varied by S, CN, Se and Cl functionalization additions.
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