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
Mahdolliset funktionaalisten ryhmien määritykset
| Funktionaalinen ryhmä | Tukevat tosiasiat | Viitatut lähteet | Korkein luottamus |
|---|---|---|---|
| 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 |
| 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 |
| Water (H2O) | 2 | 2 | 1,0 |
| Metal oxygen | 1 | 1 | 1,0 |
| Fluorine (C-F) | 1 | 1 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 1,0 |
| Protein | 1 | 1 | 1,0 |
Sijoitus kuvastaa kertyneitä kirjallisuustodisteita, ei yhtä auktoritatiivista sääntöä. Varmista aina suhteessa näytteesi asiayhteyteen.
Näiden määritysten taustalla oleva kirjallisuus
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N h luottamus 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) luottamus 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 luottamus 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 -
luottamus 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 luottamus 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 luottamus 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 luottamus 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) luottamus 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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