What absorbs at 1735 cm⁻¹ in an FTIR spectrum?
A band near 1735 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
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Carbonyl (C=O) | 26 | 24 | 1.0 |
| Ester | 4 | 4 | 0.9 |
| Carboxyl (COOH) | 4 | 3 | 1.0 |
| Acetyl | 4 | 3 | 0.95 |
| Carbohydrate | 2 | 2 | 1.0 |
| Alkene (C=C) | 1 | 1 | 1.0 |
| Water (H2O) | 1 | 1 | 0.9 |
| Lipid | 1 | 1 | 0.9 |
| Azide | 1 | 1 | 0.9 |
| Acetate | 1 | 1 | 0.9 |
| Hydroxyl (O-H) | 1 | 1 | 0.7 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
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Carbonyl (C=O) 신뢰도 1.0
“Peak at 1735.03 is C=O stretching evidencing hemicelluloses and pectin.”
Ikramullah 等 - 2018 - Hemicellulose and lignin removal on typha fiber by DOI: 10.1088/1757-899X/352/1/012019 -
Carboxyl (COOH) 신뢰도 1.0
“Explicit assignment: bond stretching vibrations of carboxyl groups (C=O).”
Cesconeto 等 - 2017 - Evaluation of a Thermochromic Liquid Crystal for U DOI: 10.1590/1980-5373-MR-2016-0717 -
Alkene (C=C) 신뢰도 1.0
“band at 1735 is due to C=C stretching vibration”
Jaleh 等 - 2015 - Characteristics of PVDF Membranes Irradiated by El DOI: 10.3390/membranes5010001 -
Carbonyl (C=O) 신뢰도 1.0
“Explicit assignment in text.”
Khoshnam 等 - 2021 - alpha-Fe2O3graphene oxide powder and thin film na DOI: 10.1038/s41598-021-99849-x -
Carbonyl (C=O) 신뢰도 1.0
“C=O in vinyl acetate”
Omastova 等 - 2019 - Electrospinning of Ethylene Vinyl AcetateCarbon N DOI: 10.3390/polym11030550 -
신뢰도 1.0
“Explicit assignment in text: 'The peak at 1735 cm-1 was due to C=O stretching vibrations of galacturonic acid'”
Sadiq 等 - 2022 - Designing Deferoxamine-Loaded Flaxseed Gum and Car DOI: 10.3390/gels8100652 -
신뢰도 0.95
“Explicitly assigned: 'lipid carbonyl band at 1735cm-1'”
Stitt 等 - 2012 - Tissue acquisition and storage associated oxidatio DOI: 10.1016/j.vibspec.2011.10.016 -
Carbonyl (C=O) 신뢰도 0.95
“Text: 'stretching characteristic band at 1735 which is associated with the stearic acid'”
Aboelkheir 等 - 2019 - Biodegradation of Vulcanized SBR A Comparison bet DOI: 10.1038/s41598-019-55530-y
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