Abstract
In the crystal of the title compound, C6H6F8O4, O-H⋯O hydrogen bonds involving the hy-droxy groups connect the mol-ecules, forming a two-dimensional network parallel to (100). These hydrogen-bonding inter-actions appear to drive the O-C-C-O torsion angles into a gauche-trans-trans series of conformations along the backbone of the mol-ecule.
Highlights
In the crystal of the title compound, C6H6F8O4, O—HÁ Á ÁO hydrogen bonds involving the hydroxy groups connect the molecules, forming a two-dimensional network parallel to (100). These hydrogen-bonding interactions appear to drive the O—C—C—O torsion angles into a gauche–trans–trans series of conformations along the backbone of the molecule
Our lab has pursued this line of research by examining partially fluorinated molecular solvents for SIL applications
A weak intermolecular C—HÁ Á ÁF hydrogen bond is observed within this network
Summary
Ionic liquids have attracted considerable interest as solvents for a variety of applications. Structural variation of the chelating compound will undoubtedly influence cation–solvent interactions and provide alternative means for tuning SIL properties (Saito et al, 2016). Our lab has pursued this line of research by examining partially fluorinated molecular solvents for SIL applications. We isolated and determined the structure of the title compound, a partially fluorinated derivative of triethylene glycol. A weak intermolecular C—HÁ Á ÁF hydrogen bond is observed within this network. These hydrogen-bonding interactions appear to drive the O—C—C—O torsion angles into a gauche–trans–trans series of conformations along the backbone of the molecule: O1—C1—C2—O2 = 66.3 (2), O2—C3—C4—O2 = À168.91 (15), and O3— C5—C6—O4 = À177.92 (15).
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