What absorbs at 981 cm⁻¹ in an FTIR spectrum?
A band near 981 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 8 cited sources
சாத்தியமான செயல்பாட்டுக் குழு ஒதுக்கீடுகள்
| செயல்பாட்டுக் குழு | ஆதரிக்கும் உண்மைகள் | மேற்கோள் காட்டப்பட்ட மூலங்கள் | அதிக நம்பிக்கை |
|---|---|---|---|
| Ring structure | 2 | 2 | 1.0 |
| Silicon (Si) | 2 | 2 | 1.0 |
| Hydroxyl (O-H) | 2 | 2 | 1.0 |
| Oxygen heterocycle | 1 | 1 | 1.0 |
| Amino acid | 1 | 1 | 1.0 |
| Aromatic ring | 1 | 1 | 1.0 |
| N h | 1 | 1 | 1.0 |
| Secondary amine | 1 | 1 | 1.0 |
| C n single bond | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1.0 |
| Silanol (Si-OH) | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
தரவரிசை திரட்டப்பட்ட இலக்கிய ஆதாரத்தை பிரதிபலிக்கிறது, ஒரு அதிகாரப்பூர்வ விதியை அல்ல. உங்கள் மாதிரி சூழலுக்கு எதிராக எப்போதும் உறுதிப்படுத்தவும்.
இந்த ஒதுக்கீடுகளின் பின்னணியில் உள்ள இலக்கியம்
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Alkyl C-H நம்பிக்கை 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) நம்பிக்கை 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 நம்பிக்கை 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) நம்பிக்கை 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 நம்பிக்கை 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 நம்பிக்கை 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 நம்பிக்கை 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 நம்பிக்கை 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
இந்தப் பட்டையுடன் ஒரு நிறமாலை உள்ளதா?
உங்கள் FTIR நிறமாலையைப் பதிவேற்றவும், முழு விளக்க அறிக்கையைப் பெறவும் — இலக்கிய மேற்கோள்களுடன் கூடிய உச்சி ஒதுக்கீடுகள், நூலகப் பொருத்தங்கள் மற்றும் நம்பிக்கை மதிப்பீட்டு ஆதாரச் சங்கிலி — நொடிகளில்.
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