
Crystals, Journal Year: 2025, Volume and Issue: 15(5), P. 406 - 406
Published: April 26, 2025
The crystal structures of naphthalene dicarboxamides, namely 1,4-naphthalene dicarboxamide (1,4-NDA), 2,6-naphthalene (2,6-NDA), and 2,7-naphthalene (2,7-NDA), are presented for the first time, along with an analysis their supramolecular organization. compounds, obtained in single-crystalline form via solvothermal crystallization from methanol, stable air to near 350 °C have melting points above 300 °C. In densely packed (ρ = 1.43–1.47 cm3g−1) combination C11 (4) chains R22(8) rings generates one-dimensional hydrogen-bonded ladders, additional R42(8) pattern. amide groups dihedral angles between 22° 40°. Neighboring H-bond ladders run parallel 1,4-NDA 2,6-NDA connected by means naphthalenedyil cores so that two-dimensional (2D) H-bonded sheets obtained. Except a weak intra-sheet π–π stacking 1,4-NDA, there no C–H⋯π interactions. act as four-connected nodes, leading formation planar sql topology nearly linear dicarboxamides cds angular 2,7-NDA. Hirshfeld surface NCI plots provide insight into H-bonding
Language: Английский