What absorbs at 750 cm⁻¹ in an FTIR spectrum?
A band near 750 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 |
|---|---|---|---|
| Boron nitrogen | 2 | 2 | 0.95 |
| Metal oxygen | 2 | 2 | 0.7 |
| Oxygen heterocycle | 2 | 0 | 0.9 |
| Sulfur heterocycle | 1 | 1 | 1.0 |
| C n single bond | 1 | 1 | 0.9 |
| Carbon dioxide | 1 | 1 | 0.9 |
| C-O single bond | 1 | 1 | 0.9 |
| Aromatic ring | 1 | 1 | 0.8 |
| N h | 1 | 1 | 0.8 |
| Water (H2O) | 1 | 0 | 0.9 |
| Hydroxyl (O-H) | 1 | 0 | 0.9 |
| Carboxyl (COOH) | 1 | 0 | 0.5 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
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Sulfur heterocycle 신뢰도 1.0
“Belong to thiophene ring vibrations.”
Refat 等 - 2021 - SYNTHESIS, CHARACTERIZATION, THERMAL ANALYSIS AND DOI: 10.4314/bcse.v35i1.11 -
Boron nitrogen 신뢰도 0.95
“Same context as above”
Zhang 等 - 2015 - Stoichiometric controlling of boroncarbonitride th DOI: 10.1063/1.4918684 -
신뢰도 0.9
“Explicit assignment: '~1380 and 750 for h-BN phase'.”
Chowdhury 等 - 2004 - Novel electrodeposition route for the synthesis of DOI: 10.1016/j.matlet.2004.05.079 -
Boron nitrogen 신뢰도 0.9
“B-N bending peak at ~750 cm-1.”
El Khezraji 等 - 2022 - Synthesis of Novel Non-Isocyanate PolyurethaneFun DOI: 10.3390/polym14193934 -
신뢰도 0.9
“absorption peak caused by pyran ring's C-O-C vibration at 750.2 cm-1”
Gao 等 - 2023 - Extraction, structural characterization, and antio DOI: 10.3389/fnut.2023.1149137 -
신뢰도 0.9
“Explicit assignment in text: 'peak at 750 cm-1 corresponds to the vibration of an aromatic ring substituted at the positions 1 and 2'”
Paglia 等 - 2022 - Effect of ceramic nano-particles on the properties DOI: 10.1002/pc.26811 -
C-O single bond 신뢰도 0.9
“Text states 'main peaks at 750 K can be assigned to CO and CO2'.”
Plis 等 - 2016 - Furniture wood waste as a potential renewable ener DOI: 10.1007/s10973-016-5611-7 -
C n single bond 신뢰도 0.9
“attributed to CN”
Pozzi 等 - 2021 - Aiding the cleaning of four 19th-century Tsimshian DOI: 10.1186/s40494-021-00513-4
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