Crystal Research and Technology
Cryst. Res. Technol. 42, 73 (2007) - Abstract -

XRD, thermal, FTIR and SEM studies on gel grown γ-glycine crystals

E. Ramachandran, K. Baskaran*, and S. Natarajan*

Department of Physics, Thiruvalluvar College, Papanasam-627425, India
*School of Physics, Madurai Kamaraj University, Madurai-625021, India

Keywords amino acid, gel growth, XRD, TGA/DTA, FTIR, SEM, gamma-glycine, alpha-glycine
PACS 81.10.-h, 81.70.Pg, 61.10.Nz
DOI 10.1002/crat.200610774

Glycine is the smallest among amino acids. The polymorphs, α- and γ- forms of glycine were crystallized in silica gel by reduction of solubility method. The grown crystals were characterized by single crystal X-ray diffraction studies and density determination. Fourier transform infrared spectroscopic studies and thermogravimetric analysis of γ-glycine were also conducted. Morphological and scanning electron microscopic (SEM) studies were also made and compared with the crystal packing.




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