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Molecular structure of the 1:1 inclusion complex of monensin A sodium salt with acetonitrile
- Source :
-
Journal of Molecular Structure . Apr2007, Vol. 832 Issue 1-3, p84-89. 6p. - Publication Year :
- 2007
-
Abstract
- Abstract: Crystal structure of the inclusion crystal of monensin A sodium salt with acetonitrile, Na(C36H61O11) CH3CN, has been studied by X-ray diffraction, FT-IR spectroscopy, and PM5 semiempirical methods. The space group of the crystal is P212121 with a =12.8116(5), b =16.5851(6), c =18.6807(6) and Z =4. Within the inclusion complex the Na+ cation is coordinated by six O atoms of monensin A molecule in a distorted octahedron geometry. The Na–O bond lengths are between 2.3276(13) and 2.6033(14)Å. The oxygen atoms of the carboxylate group are involved in two intramolecular hydrogen bonds of different strength: O(11)–H⋯O(1) of 2.554(2)Å and O(10)–H⋯O(2) of 2.683(2)Å. These two hydrogen bonds bind two ends of the monensin molecule, which in this way forms a pseudo cyclic structure wrapped around the Na+ cation. The IR spectrum of the crystal confirms the results obtained by the X-ray study and provides spectroscopic evidence for the formation of the inclusion complex. The calculated structure of the monensin A sodium salt and the structural parameters are comparable with those determined from the X-ray data. [Copyright &y& Elsevier]
- Subjects :
- *MOLECULAR structure
*SODIUM salts
*NONMETALS
*LINEAR algebra
Subjects
Details
- Language :
- English
- ISSN :
- 00222860
- Volume :
- 832
- Issue :
- 1-3
- Database :
- Academic Search Index
- Journal :
- Journal of Molecular Structure
- Publication Type :
- Academic Journal
- Accession number :
- 24304066
- Full Text :
- https://doi.org/10.1016/j.molstruc.2006.07.043