Article: Crystal Structures of Seven Terephthaldiamide Derivatives
Zeitschrift für Naturforschung. 2014 June 2, v. 57, no. 8
2014
Abstract: N,N′-Dibutyl-terephthaldiamide (1), N,N′-dihexyl-terephthaldiamide (2), N,N′-di(tert-butyl)- terephthaldiamide (3), N,N,N′,N′-tetrabutyl-terephthaldiamide (4), 1,1′-terephthaloylbis- pyrrolidine (5), 1,1′-terephthaloyl-bis-piperidine (6), and 4,4′- ... ...
| Abstract | N,N′-Dibutyl-terephthaldiamide (1), N,N′-dihexyl-terephthaldiamide (2), N,N′-di(tert-butyl)- terephthaldiamide (3), N,N,N′,N′-tetrabutyl-terephthaldiamide (4), 1,1′-terephthaloylbis- pyrrolidine (5), 1,1′-terephthaloyl-bis-piperidine (6), and 4,4′-terephthaloyl-bis-morpholine (7) have been synthesised and physicochemically characterised. The X-ray structure determinations reveal imposed inversion symmetry for compounds 1-6; compound 3 has two independent molecules with inversion symmetry in the asymmetric unit. Compounds 1-3 form classical hydrogen bonds of the type N-H···O=C, leading to a ribbon-like arrangement of molecules (1 and 2) or a layer structure (3). Compound 3 also displays a very short C-H···O interaction, a type of hydrogen bond that is also observed in compounds 4-7, which lack classical donors; thereby compounds 4-6 form layer structures and 7 a complex threedimensional network. |
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| Keywords | X-radiation ; crystal structure ; hydrogen bonding | ||||||||||
| Language | English | ||||||||||
| Dates of publication | 2014-0602 | ||||||||||
| Size | p. 914-921. | ||||||||||
| Publishing place | Verlag der Zeitschrift für Naturforschung | ||||||||||
| Document type | Article | ||||||||||
| ZDB-ID | 124635-5 | ||||||||||
| ISSN | 0340-5087 ; 0044-3174 ; 0932-0776 ; 0341-0447 ; 0341-0420 | ||||||||||
| ISSN | 0340-5087 ; 0044-3174 ; 0932-0776 ; 0341-0447 ; 0341-0420 | ||||||||||
| DOI | 10.1515/znb-2002-0812 | ||||||||||
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| Database | NAL-Catalogue (AGRICOLA) |
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