In 2022,Mullins, Terry; Karamatskos, Evangelos T.; Wiese, Joss; Onvlee, Jolijn; Rouzee, Arnaud; Yachmenev, Andrey; Trippel, Sebastian; Kuepper, Jochen published an article in Nature Communications. The title of the article was 《Picosecond pulse-shaping for strong three-dimensional field-free alignment of generic asymmetric-top molecules》.Formula: C8H7N The author mentioned the following in the article:
Fixing mols. in space is a crucial step for the imaging of mol. structure and dynamics. Here, we demonstrate three-dimensional (3D) field-free alignment of the prototypical asym. top mol. indole using elliptically polarized, shaped, off-resonant laser pulses. A truncated laser pulse is produced using a combination of extreme linear chirping and controlled phase and amplitude shaping using a spatial-light-modulator (SLM) based pulse shaper of a broadband laser pulse. The angular confinement is detected through velocity-map imaging of H+ and C2+ fragments resulting from strong-field ionization and Coulomb explosion of the aligned mols. by intense femtosecond laser pulses. The achieved three-dimensional alignment is characterized by comparing the result of ion-velocity-map measurements for different alignment directions and for different times during and after the alignment laser pulse to accurate computational results. The achieved strong three-dimensional field-free alignment of cos2δ = 0.89 demonstrates the feasibility of both, strong three-dimensional alignment of generic complex mols. and its quant. characterization.1H-Indole(cas: 120-72-9Formula: C8H7N) was used in this study.
1H-Indole(cas: 120-72-9) belongs to indole. Indole, also called Benzopyrrole, a heterocyclic organic compound occurring in some flower oils, such as jasmine and orange blossom, in coal tar, and in fecal matter. It is used in perfumery and in making tryptophan, an essential amino acid, and indoleacetic acid (heteroauxin), a hormone that promotes the development of roots in plant cuttings.Formula: C8H7N
Referemce:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles