What absorbs at 1701 cm⁻¹ in an FTIR spectrum?
A band near 1701 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
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Carbonyl (C=O) | 13 | 11 | 1.0 |
| Carboxyl (COOH) | 11 | 10 | 1.0 |
| Amide | 10 | 9 | 1.0 |
| Ester | 10 | 9 | 1.0 |
| Methacrylate | 9 | 8 | 1.0 |
| Ketone | 9 | 8 | 1.0 |
| Acetate | 9 | 8 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Aromatic ring | 1 | 1 | 1.0 |
| Methoxy (OCH3) | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| Alkene (C=C) | 1 | 1 | 1.0 |
| Anhydride | 1 | 1 | 1.0 |
| N h | 1 | 1 | 1.0 |
| Aldehyde (CHO) | 1 | 1 | 1.0 |
| C c single bond | 1 | 1 | 1.0 |
| Silicon carbon | 1 | 1 | 1.0 |
| Water (H2O) | 1 | 1 | 0.9 |
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
-
Acetate 置信度 1.0
“The strong absorption peak at 1701 corresponding to C=O stretching [15] is assigned to the noncm-1 hydrogen bonded C=O .”
Preparation of one-shot and two-shot method of semi-rigid polyurethane film based on functionalized liquid natural rubber DOI: 10.1063/1.5047200 -
Silicon carbon 置信度 1.0
“1713cm(cid:2)1, Si-C C¼O at interactions, characterized by stretching intensity from 1701 to”
Rilda 等 - 2021 - Enhancement of antifungal capability of cotton tex DOI: 10.1080/01932691.2020.1724797 -
Carboxyl (COOH) 置信度 1.0
“In this speccm(cid:2)1 trum, the acid band is shifted slightly to 1701 but is [1] G.”
Topacli 等 - 2006 - Infrared studies of pyroelectric Langmuir-Blodgett DOI: 10.1016/j.molstruc.2006.03.083 -
Acetate 置信度 1.0
“Meanwhile, the spectrum of cross-linked PVA reveals another absorption characteristic cm-1 peak at 1701 due to stretching C=O belonging to aldehyde groups of glutaraldehyde Polymers2021,13,2638”
Highly Conductive Polyelectrolyte Membranes Poly(vinyl alcohol)/Poly(2-acrylamido-2-methyl propane sulfonic acid) (PVA/PAMPS) for Fuel Cell Application DOI: 10.3390/polym13162638 -
置信度 1.0
“Alcohol 2924 strong, Broad N-H Stretching Amine Salt 1701”
Evaluation of anticandidal activities and phytochemical examination of extracts prepared from DOI: 10.1186/s12906-022-03552-x -
Anhydride 置信度 1.0
“Figure 2 shows that the peak intensities at 1784 cm-1 and 1701 cm-1, which are attributed to absorbance of anhydride and ester bond, respectively, increase overall with temperature rising.”
Cai 等 - 2019 - Investigation on Reaction Sequence and Group Site DOI: 10.3390/polym11122071 -
Amide 置信度 1.0
“PenG TGA 200∘ 1701cm-1 1502 and C in a are characteristic of primary amide and curves show that weight loss occurred only after”
Fontes 等 - 2013 - Characterization of Antibiotic-Loaded Alginate-Osa DOI: 10.1155/2013/472626 -
Acetate 置信度 1.0
“The band at 1701 was attributed to s(C=O) [45,46] and bands at 1621, 1583”
Ilic-Stojanovic 等 - 2018 - Thermosensitive hydrogels for modified release of DOI: 10.1080/00914037.2017.1354202
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