Dynamics of the intermolecular hydrogen bonds in the polymorphs of paracetamol in relation to crystal packing and conformational transitions: a variable-temperature polarized Raman spectroscopy study

2011 ◽  
Vol 13 (31) ◽  
pp. 14243 ◽  
Author(s):  
Boris A. Kolesov ◽  
Mikhail A. Mikhailenko ◽  
Elena V. Boldyreva
Keyword(s):  
Raman Spectroscopy ◽  
Hydrogen Bonds ◽  
Crystal Packing ◽  
Variable Temperature ◽  
Conformational Transitions ◽  
Spectroscopy Study ◽  
Intermolecular Hydrogen Bonds ◽  
Polarized Raman Spectroscopy ◽  
Polarized Raman

Effect of pressure on crystalline L- and DL-serine: revisited by a combined single-crystal X-ray diffraction at a laboratory source and polarized Raman spectroscopy study

2012 ◽  
Vol 68 (3) ◽  
pp. 275-286 ◽  
Author(s):  
Boris A. Zakharov ◽  
Boris A. Kolesov ◽  
Elena V. Boldyreva
Keyword(s):  
Raman Spectroscopy ◽  
Hydrogen Bonds ◽  
Single Crystal ◽  
X Ray Diffraction ◽  
X Ray ◽  
Effect Of Pressure ◽  
Laboratory Source ◽  
Compression Mechanism ◽  
Polarized Raman Spectroscopy ◽  
Polarized Raman

Information on the effect of pressure on hydrogen bonds, which could be derived from single-crystal X-ray diffraction at a laboratory source and polarized Raman spectroscopy, has been compared. L-Serine and DL-serine were selected for this case study. The role of hydrogen bonds in pressure-induced phase transitions in the first system and in the structural stability of the second one are discussed. Non-monotonic distortion of selected hydrogen bonds in the pressure range below ∼ 1–2 GPa, a change in the compression mechanism at ∼ 2–3 GPa, and the evidence of formation of bifurcated N—H...O hydrogen bonds in DL-serine at ∼ 3–4 GPa are considered.

Polarized Raman spectroscopy study of NiSi film grown on Si(001) substrate

2009 ◽  
Vol 97 (3) ◽  
pp. 693-697 ◽  
Author(s):  
Li Wan ◽  
Yiming Ren ◽  
Bo Tang ◽  
Xinhong Cheng ◽  
Xuefei Zhang ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Spectroscopy Study ◽  
Polarized Raman Spectroscopy ◽  
Polarized Raman
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