Structure and Vibrational Spectra of Α-Hydroxy Isobutyric Acid in the Crystalline and Glassy Phases and Isolated in Inert Gas Matrixeselectronic Supplementary Information (Esi) Available: Predicted Geometries for High Energy Conformers of Hiba (Table S1), Definition of Symmetry Coordinates Used in the Vibrational Calculations (Table S2) and Calculated Spectra for the Experimentally Relevant Conformers and Potential Energy Distributions (Tables S3–S5). See Http://Www.rsc.org/Suppdata/Cp/B1/B110949A/