What absorbs at 1880 cm⁻¹ in an FTIR spectrum?
A band near 1880 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 7 cited sources
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Methacrylate | 2 | 2 | 1.0 |
| Carboxyl (COOH) | 2 | 2 | 1.0 |
| Acetate | 2 | 2 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Ketone | 1 | 1 | 1.0 |
| Ester | 1 | 1 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| N-O bond | 1 | 1 | 1.0 |
| Methoxy (OCH3) | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| Aromatic ring | 1 | 1 | 0.9 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
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Carboxyl (COOH) 신뢰도 1.0
“These include changes in the 2O of a broad band around 1880 due to free ance in D cm-1 carboxylic acid region (see below), negative bands 1750 DCN (23).”
Rich 和 Breton - 2001 - FTIR studies of the CO and cyanide adducts of full DOI: 10.1021/bi0027332 -
Acetate 신뢰도 1.0
“FTIR spectral peaks (1087 demonstrate the existence of bands associated with cm-1), cm-1), amide N-H stretching (3444 alkane C-H stretching (2926 anhydride C=O cm-1), bending (1880 and C-O stretch [39].”
Phytoconstituents Assisted Biofabrication of Copper Oxide Nanoparticles and Their Antiplasmodial, and Antilarval Efficacy: A Novel Approach for the Control of Parasites DOI: 10.3390/molecules27238269 -
신뢰도 1.0
“cm-1 the presence of CO, whereas the ~1880 and ~1863 bands lose a large fraction of their intensities due to the formation of Pd(II)(CO)(NO) mixed ligand complex upon exposure to CO.”
The superior hydrothermal stability of Pd/SSZ-39 in low temperature passive NOx adsorption (PNA) and methane combustion DOI: 10.1016/j.jcat.2010.07.031. -
Acetate 신뢰도 1.0
“cm-1 The band located at 1880 is assigned to C=O stretching vibration, while the bands of cm-1 cm-1 1500 and respectively 1360 correspond to C-O vibration.”
LA‐H‐Zeolites Efficient Catalysts For Acetic Acid Ketonic Decarboxylation and Esterification DOI: 10.1002/jctb.6732 -
Alkyl C-H 신뢰도 1.0
“cm-1 The absorption band at 1880 is off-plane due to the C-H deformation.”
Naseriyeh 等 - 2022 - Preparation of liposomal hydrogel containing Calen DOI: 10.14715/cmb/2022.68.11.1 -
Aromatic ring 신뢰도 0.9
“Explicit assignment.”
Sedimentology and Paleodepositional Environment of the Early-Middle Miocene Tanjong Formation, Southeast Sabah: Evidence from Bulk Geochemistry and Palynology Analyses DOI: 10.3390/min13040494 -
신뢰도 0.8
“Text: 'peak at 1880 cm-1' and 'Ge-H bulk band gaps'”
Soukup 等 - 2004 - Deposition of high quality amorphous silicon, germ DOI: 10.1016/j.surfcoat.2003.08.006
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