What absorbs at 1663 cm⁻¹ in an FTIR spectrum?
A band near 1663 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 |
|---|---|---|---|
| Amide | 5 | 5 | 0.95 |
| Hydroxyl (O-H) | 2 | 2 | 0.8 |
| Methoxy (OCH3) | 1 | 1 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.9 |
| Chlorine | 1 | 1 | 0.7 |
| C n single bond | 1 | 1 | 0.7 |
| Protein alpha helix | 1 | 1 | 0.3 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
-
Amide 신뢰도 0.95
“Explicitly stated in text: 'amide I band at 1663 cm-1'”
Jun 等 - 2019 - Degradation of full aromatic polyamide NF membrane DOI: 10.1016/j.polymdegradstab.2019.02.008 -
Amide 신뢰도 0.9
“Explicit assignment in text.”
Juarez-de la Rosa 等 - 2012 - Effects of thermal treatments on the structure of DOI: 10.1007/s10853-011-5878-9 -
Carbonyl (C=O) 신뢰도 0.9
“Explicit assignment: stretching peak at 1663 cm-1.”
Kwon 等 - 2008 - Change of chemical composition and hydrogen bondin DOI: 10.1002/app.25657 -
신뢰도 0.9
“Explicit assignment: 'originates from the vibration of the carbonyl bond'”
Aberkane 等 - 2019 - Electrochemical Sensor Based on Thioether Oligomer DOI: 10.1002/elan.201900060 -
신뢰도 0.9
“Explicit assignment: 'trigger the peaks at 1663 cm-1, 1455 cm-1, and 1349 cm-1' for methoxy group vibrations.”
Kumar 等 - 2022 - Influence of KI salt concentration on the hydroxyp DOI: 10.21203/rs.3.rs-770530/v1 -
Amide 신뢰도 0.9
“Text explicitly assigns 1663 cm-1 to amide I.”
Strong 等 - 2016 - Infrared spectroscopy detects changes in an amphib DOI: 10.1016/j.aquatox.2016.07.005 -
Hydroxyl (O-H) 신뢰도 0.8
“Peak at 1663 related to O-H bending.”
Jayaramudu 等 - 2019 - Swelling Behavior of Polyacrylamide-Cellulose Nano DOI: 10.3390/ma12132080 -
Hydroxyl (O-H) 신뢰도 0.8
“Characteristic peak at 1662.7 cm-1 region for phenols.”
Sharma 等 - 2022 - Modulation in Techno-Functional, Textural Properti DOI: 10.3390/molecules27227835
이 밴드가 있는 스펙트럼이 있나요?
FTIR 스펙트럼을 업로드하면 몇 초 안에 전체 해석 보고서(문헌 인용이 포함된 피크 할당, 라이브러리 매칭, 신뢰도 평가 증거 체인)를 받을 수 있습니다.
내 스펙트럼 해석