What absorbs at 1273 cm⁻¹ in an FTIR spectrum?
A band near 1273 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 |
|---|---|---|---|
| C-O single bond | 9 | 7 | 1.0 |
| Methoxy (OCH3) | 8 | 6 | 1.0 |
| Methacrylate | 8 | 6 | 1.0 |
| Acetate | 8 | 6 | 1.0 |
| Amide | 4 | 3 | 1.0 |
| Carboxyl (COOH) | 3 | 3 | 1.0 |
| Secondary amine | 3 | 2 | 1.0 |
| C n single bond | 3 | 2 | 1.0 |
| Hydroxyl (O-H) | 2 | 2 | 1.0 |
| Alkyl C-H | 2 | 1 | 1.0 |
| Lignin | 1 | 1 | 1.0 |
| Nitrate | 1 | 1 | 1.0 |
| Aromatic ring | 1 | 1 | 1.0 |
| Ketone | 1 | 1 | 1.0 |
| Ester | 1 | 1 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 1.0 |
| Alkene (C=C) | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
| Metal oxygen | 1 | 1 | 0.9 |
| Hydrogen bond | 1 | 0 | 1.0 |
| Methyl | 1 | 0 | 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
-
Carbohydrate 信心 1.0
“microfibrils.Thepreferred pulpcharacteristicsfor paper productionare Moreover, the characteristic bands for amorphous cellulose at the presence of long fibres with a large diameter that provide me897cm-1, 1273cm-1, 1370cm-1 1430cm-1 and in”
Exploring the lignolytic potential of a new laccase producing strain Kocuria sp. PBS-1 and its application in bamboo pulp bleaching DOI: 10.1016/j.ibiod.2019.104726 -
Alkene (C=C) 信心 1.0
“cm-1 (iv) The absorption peak at 1273 can be ---- ---- 3 Fluconazole related to PO vibrations and stretching of 2 the double bond (P=O).”
Helmy 等 - 2021 - Preparation and Characterization of some Composite DOI: 10.21608/EJCHEM.2021.80482.3986 -
Amide 信心 1.0
“cm-1 1273 as stretching vibration of C-N.”
International Conference on Innovation on Polymer Science and Technology DOI: 10.1088/1757-899X/223/1/012051 -
Alkyl C-H 信心 1.0
“The C-H bending vibration at 1273”
Xiao 等 - 2020 - Preparation and characterization of broken-rice st DOI: 10.1016/j.ijbiomac.2020.05.182 -
Acetate 信心 1.0
“(cid:0)1 The peak at 1273 cm corresponds to the C-O stretch vibrations of carboxylic acids and ethers [37].”
Adeniyi 等 - 2022 - Evaluating the nature of captured exhaust soot fro DOI: 10.24200/sci.2021.57008.5017 -
Acetate 信心 1.0
“And the 1273 band represents the C-O stretchThe cotton fraction on PETco was the one carboxylated since ing from the carboxylic acids of the free linker, which after it is well known that the PET structure in textiles is highly forming the”
Alejandro Torres-Cortes 等 - 2022 - Ex situ synthesis of MOF@PETcotton textile fibers DOI: 10.1007/s10965-022-03216-x -
Acetate 信心 1.0
“The dispersion (EDXRF) cm-1 peak at 1504 is attributed to the carbonyl functional group (C=O), the peak attributed to enol (C-O) is displayed The presence of metallic elements is common in all cm-1, cm-1 at 1273 the peak at 1026 refers to t”
Boscariol 等 - 2022 - Characterization of Commercially Available Turmeri DOI: 10.21577/0103-5053.20220073 -
C-O single bond 信心 1.0
“cm-1), stretching bands corresponding to the O-H stretching vibrations (3432 cm-1), vibrations from C=O (1724 skeletal vibrations from non-oxidized gracm-1), cm-1), C-OH stretching vibrations (1273 and the phitic domains (1621 cm-1).”
Jitaru 等 - 2016 - Polymer-graphene composites by the photocuring of DOI: 10.2298/JSC151218040J
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