What absorbs at 3628 cm⁻¹ in an FTIR spectrum?
A band near 3628 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 3 | 1.0 |
| Water (H2O) | 2 | 2 | 1.0 |
| Secondary amine | 1 | 1 | 1.0 |
| N h | 1 | 1 | 1.0 |
| Styrene | 1 | 1 | 1.0 |
| Alkene (C=C) | 1 | 1 | 1.0 |
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
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Alkene (C=C) 信心 1.0
“transformation of epoxy group are observed at 1715 cm-1 bending of C-H double bond of vinyl groups, and 910 cm-1 A broad vibration between 3628 and 3142 is associated corresponds to double bonds of styrene monomer.”
Eduardo Correa 等 - 2017 - Influence of tribological test on the global conve DOI: 10.1590/0104-1428.14916 -
Hydroxyl (O-H) 信心 1.0
“All the FTIR 136 spectra have a band at 3628 cm-1, which is attributed to the elongation vibration of the OH 137”
Optimization of the Pentachlorophenol Adsorption by Organo-Clays Based on Response Surface Methodology DOI: 10.3390/ma15207169 -
Water (H2O) 信心 1.0
“The water O-H stretches at 18O 3631cm-1 assign water stretching vibrations, we normally use 3628 and probably correspond to the previously Fukuda et al.: Water vibration of Clpump in water 171 2685cm-1, bonding strength of such water molecu”
Fukuda 等 - 2013 - Detection of a protein-bound water vibration of ha DOI: 10.2142/biophysics.9.167 -
Hydroxyl (O-H) 信心 1.0
“They were found as red-shift peaks due to the difference of surface binding or adsorption strength between the different Pd catalysts since the hydroxyl group vibration of the free hemiaminal is 3628 cm-1, according to DFT calculation at th”
Underlying Mechanisms of Reductive Amination on Pd-Catalysts: The Unique Role of Hydroxyl Group in Generating Sterically Hindered Amine DOI: 10.3390/ijms23147621 -
N h 信心 1.0
“1 3600 Hydroxyl groups of the glucose and the -NH stretching cm-1 The peaks at 3628, 1544, and 1231 in the biomass were reduced and broadened.”
Bonding Behavior and Mechanism of U(VI) by Chemically Modified Deinococcus radiodurans DOI: 10.3390/min11101108 -
Water (H2O) 信心 1.0
“istic absorption band at 3400 cm-1 due to the O-H stretching of adsorbed water and the 2 cm-1 characteristic absorption band at 3400 due to the O-H stretching of adsorbed water shoulder at 3628 cm-1 due to structural -OH groups of MMT.”
Assessing the Carboxymethylcellulose Copper-Montmorillonite Nanocomposite for Controlling the Infection of Erwinia carotovora in Potato (Solanum tuberosum L.) DOI: 10.3390/nano11030802
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