What absorbs at 1375 cm⁻¹ in an FTIR spectrum?
A band near 1375 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Alkyl C-H | 11 | 10 | 1.0 |
| Methyl | 6 | 6 | 0.9 |
| Amide | 2 | 2 | 1.0 |
| C n single bond | 1 | 1 | 1.0 |
| Phenolic | 1 | 1 | 0.9 |
| Carbonate | 1 | 1 | 0.9 |
| Alkene (C=C) | 1 | 1 | 0.9 |
| Hydroxyl (O-H) | 1 | 1 | 0.9 |
| C-O single bond | 1 | 1 | 0.9 |
| Ester | 1 | 1 | 0.8 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
-
C n single bond 信心 1.0
“explicit assignment”
Purushothaman 和 Bilal - 2014 - Development and characterization of homo, co and t DOI: 10.1515/polyeng-2013-0167 -
信心 1.0
“Assigned in text”
Dubey 和 Dewangan - 2020 - Rational Design and Characterization of Transderma DOI: 10.5530/ijper.54.3s.145 -
信心 1.0
“Explicit assignment in text”
Gregorio 等 - 2017 - Analysis of human bodily fluids on superabsorbent DOI: 10.1016/j.talanta.2016.10.061 -
Alkyl C-H 信心 1.0
“Assigned to bending and wagging of CH vibrations.”
Salim 等 - 2022 - Investigation on optical, structural and electrica DOI: 10.1038/s41598-022-25304-0 -
Amide 信心 1.0
“Explicit assignment: '1589 and 1375 cm-1 are the amide II band and the amide III band'”
Xing 等 - 2021 - Characterization of Different Salt Forms of Chitoo DOI: 10.3390/molecules26092563 -
Alkyl C-H 信心 0.9
“Explicit assignment: 'methylene scissoring peak at 1375-1380 cm-1'.”
Olajire 和 Mohammed - 2020 - Green synthesis of nickel oxide nanoparticles and DOI: 10.1016/j.apt.2019.10.012 -
Alkyl C-H 信心 0.9
“explicit assignment”
Premalatha 等 - 2017 - Tamarind seed polysaccharide (TSP)-based Li-ion co DOI: 10.1007/s11581-017-1989-x -
Methyl 信心 0.9
“Explicit assignment: -CH3 bending vibration at 1375 cm-1.”
Veronezi 等 - 2017 - DNA Methylation Changes in Valproic Acid-Treated H DOI: 10.1371/journal.pone.0170740
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