A third monoclinic polymorph of 3,4,5-trihydroxybenzoic acid monohydrate C7H6O5·H2O
2011
New Form of Gallic Acid Monohydrate
publication
Evidence: moderate
Author Information
Author(s): Demirtaş Güneş, Dege Necmi, Büyükgüngör Orhan
Primary Institution: Ondokuz Mayıs University
Conclusion
The study presents a new monoclinic polymorph of 3,4,5-trihydroxybenzoic acid monohydrate with distinct hydrogen bonding patterns compared to previous forms.
Supporting Evidence
- The new polymorph has a different hydrogen-bonding pattern than previously reported forms.
- The gallic acid molecule is essentially planar with specific bond distances.
- The study utilized X-ray diffraction to analyze the crystal structure.
Takeaway
Scientists found a new version of a chemical called gallic acid that has a different structure than the ones known before.
Methodology
The crystal structure was determined using X-ray diffraction techniques.
Digital Object Identifier (DOI)
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