What absorbs at 1337 cm⁻¹ in an FTIR spectrum?
A band near 1337 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 6 cited sources
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1.0 |
| C c single bond | 1 | 1 | 1.0 |
| Ring structure | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
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Amide 信心 1.0
“Its presence interferes with the detection of the Amide III series of bands (1337, 1284, 1240 Methods).”
Orientation Matters: Polarization Dependent IR Spectroscopy of Collagen from Intact Tendon Down to the Single Fibril Level DOI: 10.3390/molecules25184295 -
C-O single bond 信心 1.0
“Therefore, the ratio 3 cm-1 cm-1 2995 cm-1 to those at 1337 cm-1 due to C-OH in-plane stretching can be used to quantify of the absorbance at 4000-2995 to those at 1337 due to C-OH in-plane stretch-”
Quantitative Measurements of DP in Cellulose Paper Based on Terahertz Spectroscopy DOI: 10.3390/polym15010247 -
Ring structure 信心 1.0
“adenosine and guanosine internal ring vibration gives rise to a peak at 1484 and at 1337 cm-1 Finally, a small component at approximately 1250 can be assigned to adenine, guanine and cm-1 thymine internal ring vibrations combined with N-H b”
FTIR Spectroscopy to Reveal Lipid and Protein Changes Induced on Sperm by Capacitation: Bases for an Improvement of Sample Selection in ART DOI: 10.3390/ijms21228659 -
C c single bond 信心 1.0
“cm-1 cm-1 cm-1 (COOAbsorption peaks at 1000 1300 (C-O stretching), 1400 stretching) and - cm-1 1337 (C-C stretching) in N-GDQs spectrum are matching glycine peaks in the same”
Trpkov 等 - 2022 - Fast, eco-friendly synthesis of blue luminescent n DOI: 10.21203/rs.3.rs-1527206/v1 -
Alkyl C-H 信心 1.0
“and 1407 due to CH bending and C=O asymmetric 2 cm-1 In terms of PNH, the nigella extract consists of various stretching (COO-) at 1337 due to C-H deformation functional groups, including thymoquinone, dithymoquivibration, which overlaps wi”
Nigella/honey/garlic/olive oil co-loaded PVA electrospun nanofibers for potential biomedical applications DOI: 10.1007/s40204-022-00207-5 -
Alkyl C-H 信心 1.0
“C-H wagging (1337 or O-C=O symmetric stretching (1414 We have further 2 investigated the sensitivity of the data fusion model by excluding the blind sample set and checking whether the exhibited tendency is due to the presence of the lowest”
A Combined Near-Infrared and Mid-Infrared Spectroscopic Approach for the Detection and Quantification of Glycine in Human Serum DOI: 10.3390/s22124528
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