What absorbs at 1214 cm⁻¹ in an FTIR spectrum?
A band near 1214 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 | 4 | 4 | 1,0 |
| Methoxy (OCH3) | 3 | 3 | 1,0 |
| Methacrylate | 3 | 3 | 1,0 |
| Acetate | 3 | 3 | 1,0 |
| Hydroxyl (O-H) | 3 | 3 | 1,0 |
| Water (H2O) | 2 | 2 | 1,0 |
| N h | 2 | 2 | 1,0 |
| Secondary amine | 2 | 2 | 1,0 |
| C n single bond | 2 | 2 | 1,0 |
| Amide | 2 | 2 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 1,0 |
| Metal oxygen | 1 | 1 | 1,0 |
| Protein | 1 | 1 | 1,0 |
| Fluorine (C-F) | 1 | 1 | 1,0 |
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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N h độ tin cậy 1,0
“The FTIR results show an increase of peak intensity at 1214 (NH stretch vibration) 2 after the nitrogen plasma treatment, which confirms that the nitrogen was grafted to the PAL surface in the process of N 2plasma treatment.”
Chen 等 - 2006 - Manipulating the surface properties of polyacrylam DOI: 10.1016/j.eurpolymj.2006.08.007 -
Hydroxyl (O-H) độ tin cậy 1,0
“3539.8 Weakly H bonded OH vibrations 3487.1 Weakly H bonded OH vibrations 3166.7 Weakly H bonded OH vibrations 1648.3 H-O-H Symmetric bending vibrations 1214.2 PO4 P=O associated stretching vibrations bond, P=O stretching vibrations 1136.7”
Growth and characterization of calcium hydrogen phosphate dihydrate crystals from single diffusion gel technique DOI: 10.1002/crat.200900700 -
Amide độ tin cậy 1,0
“1024 1017 1017 Sb2S3 Inorganicmetal ions - C-N+stretching 1214 1214 PAni”
Influence of polyaniline doping concentration in (Bi0.5Sb0.5)2S3 thin polycrystalline films on structural, electrical and optical properties DOI: 10.1016/j.jnoncrysol.2010.03.012 -
độ tin cậy 1,0
“This carbonyl group has the (C-H stretching), 1249.64 (C-Cl stretching), and cm-1(C-F ability to form a bond with the (N-H) hydrogen donor group 1214.21 stretching).”
An Intragastric Delivery Device Employing FDM Technology: 3D-Printed Tablet Containing Green Developed Mosapride-Saccharin Co-crystals DOI: 10.1208/s12249-023-02578-9 -
Protein độ tin cậy 1,0
“The weak bands of 1214 and 1455 cm-1 are attributed to the organic components of dentin (dentinal collagen).”
Marginal Adaptation Assessment for Two Composite Layering Techniques Using Dye Penetration, AFM, SEM and FTIR: An In-Vitro Comparative Study DOI: 10.3390/app11125657 -
Acetate độ tin cậy 1,0
“The band at cm-1 1214 in fumaric acid is attributed to the C-O (H) stretching vibration [30].”
Kumar 和 Barth - 2010 - Following Enzyme Activity with Infrared Spectrosco DOI: 10.3390/s100402626 -
Acetate độ tin cậy 1,0
“trum region, the bands at 1600 cm-1, 1510 cm-1 and 1120 cm-1 were assigned to C=O, C-H, Subsequentbandsofreducedintensityat1460cm-1, 1425cm-1, 1380cm-1, 1280cm-1, and C-O deformation, bending, or stretching vibrations of different groups in”
Kwasniewska-Sip 等 - 2021 - Chemical Changes of Wood Treated with Caffeine DOI: 10.3390/ma14030497 -
Water (H2O) độ tin cậy 1,0
“at 1214 No significant bands for symmetric stretching phate moiety, releasing the hydrogen-bonded water molwere displayed for this concentration sample.”
Mijatovic 等 - 2017 - Analysis of pulmonary surfactant by Fourier transf DOI: 10.17305/bjbms.2016.1680
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