What absorbs at 3675 cm⁻¹ in an FTIR spectrum?
A band near 3675 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 6 cited sources
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 4 | 1.0 |
| Alkyl C-H | 2 | 2 | 1.0 |
| Methyl | 1 | 1 | 1.0 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
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Hydroxyl (O-H) 신뢰도 1.0
“LLM confirmed rule peak-group candidate”
Drits 等 - 2011 - New insight into the structural transformation of DOI: 10.2138/am.2011.3605 -
Alkyl C-H 신뢰도 1.0
“3 cm-1, 2959 the CH asymmetric stretching vibration at 3675 8486 2 cm-1,”
Wang 等 - 2012 - Differentiation in MALDI-TOF MS and FTIR spectra b DOI: 10.1186/1471-2180-12-182 -
Hydroxyl (O-H) 신뢰도 1.0
“cm-1 OHThe peak at 3675 is due to the stretching mode of hydrogen bonded ions and can be attributed to the HA hydroxyl group, while the peak at 1027 (n cm-1 43-) 3 stretching mode of PO can be attributed to a mixture of HA, DCPD, DCPA and O”
Calcium phosphate powder synthesis by out-of-phase pulsed sonoelectrochemistry DOI: 10.1016/j.biomaterials.2009.07.002 -
Hydroxyl (O-H) 신뢰도 1.0
“groups (negative band at 3675 The corresponding two ways, i.e., via OH or methyl group, is not probable deformation OH vibration of methanol was found at considering both the ratio of intensities and the high”
Muller 等 - 2004 - Interactions of water and methanol with MeAPO-5. F DOI: 10.1016/j.micromeso.2003.12.025 -
Hydroxyl (O-H) 신뢰도 0.8
“Main band centered in the 3675-3660 region, assigned to OH-stretching.”
Synthesis and characterization of amphiboles along the tremolite–glaucophane join DOI: 10.2138/am.2013.4281 -
신뢰도 0.6
“Text: 'peak of absorption (~3675 cm-1)'”
CO2 adsorption of bagasse waste feedstock using thermogravimetric analyses DOI: 10.1007/s10973-021-10949-2
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