Assignment of terahertz vibrational modes of L-glutamine using density functional theory within generalized-gradient approximation<xref ref-type="fn" rid="cpb142875fn1">*</xref>

Assignment of terahertz vibrational modes of L-glutamine using density functional theory within generalized-gradient approximation*

Zhang Han^a), Zhang Zhao-Hui^a), Zhao Xiao-Yan†^a), Zhang Tian-Yao^a), Yan Fang^a), Shen Jiang^b)

Molecular packing in unit cell, hydrogen bonds are indicated as 1, 2, and 3 using dashed lines (a) and isolated Gln molecule in the form of zwitterion, dark gray atoms are carbon, white are hydrogen, red are oxygen, and blue are nitrogen (b).