Mol-ecular and crystal structure of 5,9-dimethyl-5 H -pyrano[3,2- c :5,6- c ']bis-[2,1-benzo-thia-zin]-7(9 H )-one 6,6,8,8-tetroxide di-methyl-formamide monosolvate

Mol-ecular and crystal structure of 5,9-dimethyl-5 H -pyrano[3,2- c :5,6- c ']bis-[2,1-benzo-thia-zin]-7(9 H )-one 6,6,8,8-tetroxide di-methyl-formamide monosolvate

The title mol-ecule crystallizes as a di-methyl-formamide monosolvate, C H N O S ·C H NO. The mol-ecule was expected to adopt mirror symmetry but slightly different conformational characteristics of the condensed benzo-thia-zine ring lead to point group symmetry 1. In the crystal, mol-ecules form tw...

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Bibliographic Details
Published in:Acta crystallographica. Section E, Crystallographic communications Vol. 75; no. Pt 7; p. 1076
Main Authors: Rybalka, Andrii, Shishkina, Svitlana, Ukrainets, Igor, Sidorenko, Lyudmila, Sim, Galina
Format: Journal Article
Language:English
Published: England 01-07-2019
Subjects:
mol­ecular structure
benzo­thia­zine derivative
crystal structure
π-stacking dimer
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Summary:The title mol-ecule crystallizes as a di-methyl-formamide monosolvate, C H N O S ·C H NO. The mol-ecule was expected to adopt mirror symmetry but slightly different conformational characteristics of the condensed benzo-thia-zine ring lead to point group symmetry 1. In the crystal, mol-ecules form two types of stacking dimers with distances of 3.464 (2) Å and 3.528 (2) Å between π-systems. As a result, columns extending parallel to [100] are formed, which are connected to inter-mediate di-methyl-formamide solvent mol-ecules by C-H⋯O inter-actions.
ISSN:2056-9890
2056-9890