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    Crystal structure and Hirshfeld analysis of di-tert-butyl 2, 2?-[(ethylazanediyl) bis (methylene)] bis (1H-pyrrole-1-carboxylate)
    (2020) Kvyatkovskaya, Elizaveta A; Atioğlu, Zeliha; Akkurt, Mehmet; Epifanova, Polina P; Valchuk, Karina S; Khrustalev, Victor N.; Bhattarai, Ajaya
    The title compound, C22H33N3O4, crystallizes in the triclinic space group P\overline{1} with two molecules in a unit cell. The two pyrrole rings are essentially planar (r.m.s. deviation = 0.002?Å) and they form a dihedral angle of 81.24?(10)° with each other. The crystal packing is stabilized by C—H?? interactions and ?–? stacking interactions, forming a three-dimensional network. The Hirshfeld surface analysis and two-dimensional fingerprint plots reveal that the most important contributions for the crystal packing are from H?H (74.3%), C?H/H?C (11.5%) and O?H/H?O (9.1%) contacts.