What absorbs at 3622 cm⁻¹ in an FTIR spectrum?
A band near 3622 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 5 cited sources
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 4 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1.0 |
| Water (H2O) | 1 | 1 | 1.0 |
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이 할당의 배경이 되는 문헌
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Water (H2O) 신뢰도 1.0
“Th e sharp peak at 3622 indicates hyionized water.”
Calderon 等 - 2011 - Chemical Differences in Soil Organic Matter Fracti DOI: 10.2136/sssaj2009.0375 -
Hydroxyl (O-H) 신뢰도 1.0
“LLM confirmed rule peak-group candidate”
Deprotonation of Fe-dominant amphiboles: Single-crystal HT-FTIR spectroscopic studies of synthetic potassic-ferro-richterite DOI: 10.2138/am-2017-5859 -
Hydroxyl (O-H) 신뢰도 1.0
“The epoxide ring absorption took place at 873 and 1250 cm-1 cm-1 absorption at 3694 cm-1 and 3622 cm-1 was assigned to inner surface OH, and the outer Interestingly, the absorption at 3694 and 3622 was assigned to inner surface OH, OH group”
Potency of Urea-Treated Halloysite Nanotubes for the Simultaneous Boosting of Mechanical Properties and Crystallization of Epoxidized Natural Rubber Composites DOI: 10.3390/polym13183068 -
Carboxyl (COOH) 신뢰도 1.0
“In the O-H stretchcm-1, and CH groups, and out of plane deformation of =C-H groups were found at 1662 ing region, the untreated HNT and acid-treated HNT showed bands at 3694 cm-1 and 3622 3 ing region, the untreated HNT and acid-treated HNT”
Selectively Etched Halloysite Nanotubes as Performance Booster of Epoxidized Natural Rubber Composites DOI: 10.3390/polym13203536 -
Hydroxyl (O-H) 신뢰도 1.0
“free OH stretching are observed at 3622, 3650 and cm-1, The same FS platelets have been ground to 3696 respectively.”
Step-scan photoacoustic fourier transform and X-rays photoelectron spectroscopy of oil sands fine tailings : New structural insights DOI: 10.1016/S1386-1425(01)00460-7
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