What absorbs at 1452 cm⁻¹ in an FTIR spectrum?
A band near 1452 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
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 | 5 | 4 | 0.95 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| N h | 1 | 1 | 0.9 |
| C-O single bond | 1 | 1 | 0.8 |
| Amide | 1 | 1 | 0.6 |
| C n single bond | 1 | 1 | 0.6 |
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
-
Alkyl C-H 信心 0.95
“Explicit assignment: 'Two bands at 1452 and 1377 were attributed to the C-H bending vibrations'”
Cebi - 2021 - Quantification of the Geranium Essential Oil, Palm DOI: 10.3390/foods10081848 -
N h 信心 0.9
“Text states 'attributed to the N-H stretching and symmetrical COO- stretching'.”
Ding 等 - 2016 - Preparation and characterization of resistant star DOI: 10.1016/j.carbpol.2016.01.008 -
信心 0.9
“Explicit assignment: 1452 cm-1 (CH3-bend).”
Hu 等 - 2011 - Influence of hydrolytic degradation on the surface DOI: 10.1016/j.polymdegradstab.2011.04.020 -
Alkyl C-H 信心 0.9
“Explicit assignment: '1452 for CH2 bending'”
Feng 等 - 2018 - The investigation of the specific behavior of a ca DOI: 10.1039/c8ra02006j -
信心 0.9
“Explicit assignment in text: '1452 C-H bending from methoxyl group'”
Malric-Garajova 等 - 2023 - Modification of a Marine Pine Kraft Lignin Sample DOI: 10.3390/molecules28124873 -
Alkyl C-H 信心 0.9
“Explicit assignment: 1452 (C-H bending)”
Uthaiwat 等 - 2021 - Characteristic Evaluation of Gel Formulation Conta DOI: 10.3390/polym13071142 -
C-O single bond 信心 0.8
“Explicit assignment: 'band appears at1462, 1452 represent, CO symmetric'”
Gholap 等 - 2023 - Silica supported lanthanum trifluoroacetate and tr DOI: 10.1039/d2ra07021a -
信心 0.8
“Peak at 1452 cm-1 assigned to alcohol C-OH.”
Mardare (Balusescu) 等 - 2022 - Spectroscopic investigation and chemical fingerpri DOI: 10.5802/crchim.169
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