What absorbs at 981 cm⁻¹ in an FTIR spectrum?

Возможные назначения функциональных групп

Ранжирование отражает накопленные литературные данные, а не единственное авторитетное правило. Всегда проверяйте в контексте вашего образца.

Литература, лежащая в основе этих назначений

• Alkyl C-H достоверность 1,0

  “the vibration identified as ν(C-H) is found in SERS spectrum in a less intense band at 981 Despite the similarity of SERS signal acquired for neutral and deprotonated state of artepillin C,”

  EXPRESS: Vibrational Spectroscopic Characterization and Coherent Anti-Stokes Raman Spectroscopy (CARS) Imaging of Artepillin C DOI: 10.1177/0003702820904456
• Silanol (Si-OH) достоверность 1,0

  “line This observation is accompanied with the reduction of network SiO band at 802 2 cm-1 Meanwhile, the Si-OH peak at 981 showed the increased of intensity in silica synthesized using 1% and 2% of gelatin concentration.”

  The effect of gelatin as pore expander in green synthesis mesoporous silica for methylene blue adsorption DOI: 10.1038/s41598-022-19615-5
• C-O single bond достоверность 1,0

  “Finally, two bands may be found at 981 and 1051 potentially related to C-O 1 and to the stretching of C-OH bonds from hydroxyl moieties [51].”

  Basso Peressut 等 - 2021 - Development of self-assembling sulfonated graphene DOI: 10.1016/j.matchemphys.2020.122945.
• Silicon (Si) достоверность 1,0

  “Two strong peaks are noticed: one of them centered at 981 cm-1, attributed to symmetric stretching vibration of Si(Al)-O-Si bonds, and another one at 527”

  Use of Slag/Sugar Cane Bagasse Ash (SCBA) Blends in the Production of Alkali-Activated Materials DOI: 10.3390/ma6083108
• Amide достоверность 1,0

  “The absorbance peak located at around 981 and 996 can be assigned is the C-N stretching vibrations cm-1 peak located at around 981 and 996 cm-1 can be assigned is the C-N stretching vibrations of amine.”

  Green Synthesis, Characterization, Enzyme Inhibition, Antimicrobial Potential, and Cytotoxic Activity of Plant Mediated Silver Nanoparticle Using Ricinus communis Leaf and Root Extracts DOI: 10.3390/biom11020206
• Ring structure достоверность 1,0

  “In the curve of the EHO, cm-1 peaks at 981 characteristic of the anti-symmetric deformation vibration absorption peaks at 981 cm-1 characteristic of the anti-symmetric deformation vibration absorption cm-1 four-membered peak of the ring in”

  Preparation of Bis[(3-ethyl-3-methoxyoxetane)propyl]diphenylsilane and Investigation of Its Cationic UV-Curing Material Properties DOI: 10.3390/polym13152573
• Aromatic ring достоверность 1,0

  “Moreover, in the Raman spectrum (Figure 4b), the vibrations from symmetric benzene/pyrrole in-phase and out-of-phase breathing modes of tryptophan and phenylalanine (904 cm-1, 981 cm-1) are observed.”

  FTIR and Raman Spectroscopy-Based Biochemical Profiling Reflects Genomic Diversity of Clinical Candida Isolates That May Be Useful for Diagnosis and Targeted Therapy of Candidiasis DOI: 10.3390/ijms20040988
• Ring structure достоверность 1,0

  “In the GO spectrum, the peak at 1049 cm-1 corresponds to the alkoxy group [15,28] and the one at 981 cm-1 is assigned to the ring out-of-plane deformation [29].”

  Synthesis and Characterization of Some Graphene Oxide Powders Used as Additives in Hydraulic Mortars DOI: 10.3390/app112311330