What absorbs at 3422 cm⁻¹ in an FTIR spectrum?
A band near 3422 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 |
|---|---|---|---|
| Hydroxyl (O-H) | 10 | 10 | 1.0 |
| N h | 2 | 2 | 0.9 |
| Methyl | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Water (H2O) | 1 | 0 | 0.95 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
-
Hydroxyl (O-H) 신뢰도 1.0
“Text: 'The broad absorption peak at 3422 cm-1 is attributed to the presence of phenol hydroxyl groups (-OH) and asymmetric CH vibrations in CH2 and CH3 groups'.”
Ionete 等 - 2019 - A Room Temperature Gas Sensor Based on Sulfonated DOI: 10.3390/s19051116 -
신뢰도 1.0
“Explicit assignment: 'peak IR bands observed at 3422.37 ... corresponds to N-H stretching groups of 1°, 2° amines and amides'”
Vadlapudi 和 Amanchy - 2017 - Phytofabrication of silver nanoparticles using Myr DOI: 10.1590/1678-4324-2017160329 -
Hydroxyl (O-H) 신뢰도 0.9
“Band at 3422 attributed to primary O-H.”
Lee 等 - 2008 - Surface-initiated ring-opening polymerization of p DOI: 10.1002/pola.22457 -
Hydroxyl (O-H) 신뢰도 0.9
“Explicit assignment in text.”
Algarra 等 - 2018 - Enhanced electrochemical response of carbon quantu DOI: 10.1016/j.talanta.2017.09.082 -
Hydroxyl (O-H) 신뢰도 0.9
“Explicit assignment.”
Altun - 2009 - INCIDENTAL RELEASE OF BITUMEN DURING OIL SHALE GRI DOI: 10.3176/oil.2009.3.04 -
Hydroxyl (O-H) 신뢰도 0.9
“Text: 'hydroxyl region with an absorbance peak at 3422'”
Czerw 等 - 2019 - Sorption of carbon dioxide on the lithotypes of lo DOI: 10.1007/s10450-019-00122-5 -
N h 신뢰도 0.9
“Explicit assignment in text”
Farag 和 Mohamed - 2013 - Synthesis and Characterization of Carboxymethyl Ch DOI: 10.3390/molecules18010190 -
Hydroxyl (O-H) 신뢰도 0.9
“Text: '3422.33 cm-1 free OH bonds'”
Meltzer 等 - 2021 - PHYSICO-CHEMICAL CHARACTERIZATION OF SOLID STATE R DOI: 10.33224/rrch.2021.66.3.07
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