What absorbs at 1523 cm⁻¹ in an FTIR spectrum?
A band near 1523 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 | 8 | 8 | 1.0 |
| N h | 4 | 4 | 1.0 |
| Methacrylate | 2 | 2 | 1.0 |
| Ketone | 2 | 2 | 1.0 |
| Ester | 2 | 2 | 1.0 |
| Carboxyl (COOH) | 2 | 2 | 1.0 |
| Carbonyl (C=O) | 2 | 2 | 1.0 |
| Acetate | 2 | 2 | 1.0 |
| Hydroxyl (O-H) | 2 | 2 | 1.0 |
| Secondary amine | 2 | 2 | 1.0 |
| C n single bond | 2 | 2 | 1.0 |
| Water (H2O) | 1 | 1 | 1.0 |
| Protein beta sheet | 1 | 1 | 1.0 |
| N-O bond | 1 | 1 | 1.0 |
| Lignin | 1 | 1 | 1.0 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
-
Amide 신뢰도 1.0
“The degradation index can be calculated by using FTIR peak cm(cid:1)1 cm(cid:1)1 C]O eCOe fitting 1640 (amide I, stretching), 1523 (amide II, data to quantify the degradation.”
The durability of clear polyurethane coil coatings studied by FTIR peak fitting DOI: 10.1016/j.polymdegradstab.2012.12.003 -
Hydroxyl (O-H) 신뢰도 1.0
“1523 and (O-H stretch vibration) at 3022”
Akhgari 等 - 2013 - Indomethacin electrospun nanofibers for colonic dr DOI: 10.5681/apb.2013.014 -
신뢰도 1.0
“The characteristic mono-, di-, and triamine initiators put in relieve the number of urethane groups along the cm-1, υ(C=O) υ(C-O-C) carbonate signals of and around 1741 and 1222 respectively were (δ(N-H) υ(C-N)) PTMC chains with the increas”
Synthesis of Poly(Trimethylene Carbonate) from Amine Group Initiation: Role of Urethane Bonds in the Crystallinity DOI: 10.3390/polym13020280 -
Amide 신뢰도 1.0
“The C-N stretching bands, combined with those of the bending of N-H in the plane, are typically observed at 1523 cm-1 and 1446 cm-1, demonstrating of the bending of N-H in the plane, are typically observed at 1523 cm-1 and 1446 cm-1, demons”
Gregori Valdes 等 - 2018 - Synthesis and Characterization of Isosorbide-Based DOI: 10.3390/polym10101170 -
Lignin 신뢰도 1.0
“Factors describing crystallinity, C=C cm-1 Band (E) at 1523 represents bonds in the arosuch as the total crystallinity index ( T CI ) , lateral - 1 matic rings of lignin (27).”
Hejna 等 - 2017 - Performance properties of rigid polyurethane-polyi DOI: 10.1515/epoly-2017-0012 -
Acetate 신뢰도 1.0
“Strong C-H symmetric stretching 1623 Strong C=O stretching 1523”
Jaisankar 等 - 2020 - Seed microstructures of the Andaman padauk (Pteroc DOI: 10.1007/BF02957854. -
N-O bond 신뢰도 1.0
“The spectrum of CoAl 2O nanocomposites calcined at 1100 °C is also shown by FT-IR, with 4 cm-1 cm-1 3sharp bands between 2893 and 3335 (C-O and C-C vibration) and at 1523 (NO vibration).”
Synthesis and electrochemical performance of α-Al2O3 and M-Al2O4 spinel nanocomposites in hybrid quantum dot-sensitized solar cells DOI: 10.1038/s41598-022-21186-4 -
Amide 신뢰도 1.0
“1554 60%N-Hbending,40%C-Nstretching AmideII(proteins) 1523 80%C=Ostretching,10%N-Hbending, Amide-I:parallelβ-sheets(peptide,protein) 1628”
Fourier-Transform Infrared Spectroscopy as a Discriminatory Tool for Myotonic Dystrophy Type 1 Metabolism: A Pilot Study DOI: 10.3390/ijerph18073800
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