Takahashi, Masae et al. published their research in Chemical Physics Letters in 2015 | CAS: 14431-43-7

Terahertz vibrations of crystalline α-D-glucose and the spectral change in mutual transitions between the anhydride and monohydrate was written by Takahashi, Masae;Ishikawa, Yoichi. And the article was included in Chemical Physics Letters in 2015.Computed Properties of C6H14O7 This article mentions the following:

The authors have performed dispersion-corrected first-principles calculations of crystalline α-D-glucose anhydride and the monohydrate and measured its terahertz spectrum at 4 and 300 K, to reveal the terahertz vibrations and the spectral change with hydration. Dispersion-corrected first-principles calculations well reproduced the 4-K spectrum, in both the frequency values and the relative tendency of intensities. The difference from the weak-hydrogen-bonding system is that most intermol. modes were clearly detected even at 300 K. The stretching vibration of moderate hydrogen bond was mixed with one of intermol. rotation modes. With dehydration of the monohydrate, two intermol. translational modes appear in the THz region. In the experiment, the researchers used many compounds, for example, (2S,3R,4S,5S,6R)-6-(Hydroxymethyl)tetrahydro-2H-pyran-2,3,4,5-tetraol hydrate (cas: 14431-43-7Computed Properties of C6H14O7).

(2S,3R,4S,5S,6R)-6-(Hydroxymethyl)tetrahydro-2H-pyran-2,3,4,5-tetraol hydrate (cas: 14431-43-7) belongs to tetrahydropyran derivatives. Tetrahydropyran is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and dyestuff. One classic procedure for the organic synthesis of tetrahydropyran is by hydrogenation of the 3,4-isomer of dihydropyran with Raney nickel.Computed Properties of C6H14O7

Referemce:
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics