What absorbs at 1166 cm⁻¹ in an FTIR spectrum?
A band near 1166 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
Gán nhóm chức có thể
| Nhóm chức | Sự kiện hỗ trợ | Nguồn tham khảo | Độ tin cậy cao nhất |
|---|---|---|---|
| C-O single bond | 8 | 7 | 1,0 |
| Methoxy (OCH3) | 7 | 7 | 1,0 |
| Methacrylate | 7 | 7 | 1,0 |
| Acetate | 7 | 7 | 1,0 |
| Alkyl C-H | 3 | 3 | 1,0 |
| Amide | 2 | 2 | 1,0 |
| S s | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 1,0 |
| Chlorine | 1 | 1 | 1,0 |
| C c single bond | 1 | 1 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| C n single bond | 1 | 1 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Ester | 1 | 1 | 1,0 |
| Carbohydrate | 1 | 1 | 0,8 |
| Lipid | 1 | 1 | 0,8 |
Xếp hạng phản ánh bằng chứng tài liệu tích lũy, không phải một quy tắc duy nhất có thẩm quyền. Luôn xác nhận với ngữ cảnh mẫu của bạn.
Tài liệu tham khảo đằng sau các gán này
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Acetate độ tin cậy 1,0
“C-N bending + stretching) was located at 1522 while the cm(cid:2)1 The presence of a melting peak suggested that the crystalline C-O-C peak at 1166 was attributed to the stretching cm(cid:2)1 structure of the PCL is preserved due to its rel”
Cetina-Diaz 等 - 2014 - Physicochemical characterization of segmented poly DOI: 10.1039/c3tb21500h -
Ester độ tin cậy 1,0
“cm(cid:2)1 1380cm(cid:2)1 showed strong lipid spectral peaks at 1166 and Biological tissue is essentially made up of proteins, nucleic 1748cm(cid:2)1, including a very strong carbonyl-ester band at and a acids, carbohydrates and lipids each”
Das 等 - 2008 - FTIR of touch imprint cytology A novel tissue dia DOI: 10.1016/j.jphotobiol.2008.05.012 -
Alkyl C-H độ tin cậy 1,0
“1447 C C stretching in benzoid rings 2996 C H stretching N stretching 1166 N S bond 1291 C”
Dey Sadhu 等 - 2020 - Preparation and characterization of polyanilinea DOI: 10.1002/pc.25738 -
Acetate độ tin cậy 1,0
“In particular, cm-1 alcohol), while the absorption band at 1166 Ni/Zr-BTC thermogram exhibited a third mass decrease originated from the C-O stretching vibration (secondary”
Lestari 等 - 2022 - Zirconium(IV)-BTC-Based MOF Modified with Nickel a DOI: 10.17576/jsm-2022-5109-16 -
độ tin cậy 1,0
“Furthermore, the intensities of several peaks, the C O vibrations associated with the pyranose ring including The KAS method can be described by the following equation cm-1, cm-1 at 1166 the N H bending vibration at 1609 and the [30]:”
Study on the thermal degradation kinetics and pyrolysis characteristics of chitosan-Zn complex DOI: 10.1016/j.jaap.2016.03.021 -
Amide độ tin cậy 1,0
“The 1165.75 absorption band indicated the existence of cm-1, aromatic amine (C-N stretch).”
The Nutritional Quality and Structural Analysis of Black Soldier Fly Larvae Flour before and after Defatting DOI: 10.3390/insects13020168 -
C c single bond độ tin cậy 1,0
“C-C-O-C stretching vibration of AC was represented by a distinct band around 1166, 1195 RESULTS AND DISCUSSION cm-1.”
Zulkifli 等 - 2020 - Corrosion Resistance Evaluation of Acrylic Coating DOI: 10.17576/jkukm-2020-32(2)-14 -
Alkyl C-H độ tin cậy 1,0
“Also, the band present at cm-1 cm-1 CH in cellulose and the band at 1166 1417 is related to the C-H group and bending”
Allouch 等 - 2019 - CHARACTERIZATION OF COMPONENTS ISOLATED FROM ALGER DOI: 10.1016/j.pecs.2012.02.002
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