What absorbs at 1163 cm⁻¹ in an FTIR spectrum?
A band near 1163 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 7 cited sources
Possíveis atribuições de grupos funcionais
| Grupo funcional | Fatos de suporte | Fontes citadas | Maior confiança |
|---|---|---|---|
| C c single bond | 2 | 2 | 1,0 |
| S eq o | 2 | 2 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
A classificação reflete a evidência acumulada da literatura, não uma única regra autoritária. Sempre confirme com o contexto da sua amostra.
Literatura por trás destas atribuições
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S eq o confiança 1,0
“The peak at 1163 cm-1 in the CNC spectrum revealed the presence of a sulphated group (SO2) cm-1”
Isolation and Characterization of Cellulose Nanocrystals from Oil Palm Mesocarp Fiber DOI: 10.3390/polym9080355 -
Alkyl C-H confiança 1,0
“--C-H 1417 (cis) Bending, rocking W 2Stretching, bending St 1163 -C-O, -CH”
Fourier transform midinfrared spectroscopy evaluation of early stages of virgin olive oil autoxidation DOI: 10.1002/ejlt.201200317 -
Hydroxyl (O-H) confiança 1,0
“cm-1 cm-1 2965.11 ±3000 (Strong & Board) -COOH (O-H Stretching) 2965.11cm-1 ±3000cm-1 -COOH(O-HStretching) (Strong&Board) 769.73cm-1 600cm-1 to800cm-1 cm-1 cm-1 cm-1 769.73 600 to 800 (Medium) -COOH (O-H Bending) -COOH(O-HBending) (Medium)”
Validation of the Developed Zero-Order Infrared Spectrophotometry Method for Qualitative and Quantitative Analyses of Tranexamic Acid in Marketed Tablets DOI: 10.3390/molecules26226985 -
S eq o confiança 1,0
“The peak at 958 cm-1, corresponding to N+C in the ICP nanocomposites, and two bands at 1354 cm-1 and 1163 cm-1, which correspond to the S=O stretching in AB 25, are completely absent after adsorption.”
Polyaspartate-Ionene/Na+-Montmorillonite Nanocomposites as Novel Adsorbent for Anionic Dye; Effect of Ionene Structure DOI: 10.3390/polym12122843 -
C c single bond confiança 1,0
“Thermogravimetric depiction cm(cid:0) cm(cid:0) cm(cid:0) (C-C (C-O 1 1 1 stretching), 1163 stretching), 1146 and Fig.”
Functionalization of poly(glycidylmethacrylate) with iminodiacetate and imino phosphonate groups for enhanced sorption of neodymium - sorption performance and molecular modeling DOI: 10.1016/j.reactfunctpolym.2022.105389 -
confiança 1,0
“(2012) reported that the cm-1 II-band at 1552 was determined analogous to the method of Sannan, Kurita, Ogura, bridge oxygen stretching band at 1163 cm-1 in the infrared spectrum is the most suitable and Iwakura (1978) for transmission IR s”
Extraction Optimization and Structural Characteristics of Chitosan from Cuttlefish (S. pharaonis sp.) Bone DOI: 10.3390/ma15227969 -
C c single bond confiança 1,0
“2854cm-1 1618cm-1(C � stretch), 2924 and (C-H stretch), 1458cm-1, 1379cm-1 O stretch), (C-C stretch), and 1163cm-1”
Korani 等 - 2021 - Evaluation of Antimicrobial and Wound Healing Effe DOI: 10.1155/2021/7019130
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