What absorbs at 1390 cm⁻¹ in an FTIR spectrum?
A band near 1390 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 | 2 | 2 | 0.9 |
| Hydroxyl (O-H) | 2 | 1 | 0.9 |
| C n single bond | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.9 |
| C-O single bond | 1 | 1 | 0.9 |
| N-O bond | 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: 'peak at around 1390 clearly shows the stretch of the C-N amine group'.”
Rosyidi 等 - 2020 - Investigation of the chemical, strength, adhesion DOI: 10.1016/j.conbuildmat.2020.119364 -
信心 0.9
“Explicit assignment in snippet.”
Chen 等 - 2007 - Structural characterization and corrosion properti DOI: 10.4028/www.scientific.net/MSF.546-549.1111 -
信心 0.9
“Peak attributed to NH4NO3.”
Ji 等 - 2015 - Characterization of fine particulate matter in amb DOI: 10.1039/c4em00678j -
信心 0.9
“Explicit assignment in text: 'CNC stretching (1165 cm-1 and 1390 cm-1)'”
Bhattacharyya 等 - 2017 - Metallization and APPJ treatment of bismaleimide DOI: 10.1155/2010/987357 -
信心 0.9
“Explicitly assigned as in-plane bending vibration absorption peak.”
Hu 等 - 2020 - Terpolymer resin containing bioinspired borneol an DOI: 10.1038/s41598-020-67073-8 -
信心 0.9
“Explicit assignment in text.”
Lee 等 - 2016 - Arsenite Regulates Prolongation of Glycan Residues DOI: 10.3390/ijms17030427 -
C-O single bond 信心 0.9
“Explicit assignment: '1390 (CO stretch)'”
Piantavini 等 - 2017 - ELUCIDATION OF THE ELECTRONIC SPECTRUM CHANGES OF DOI: 10.21577/0100-4042.20170059 -
Alkyl C-H 信心 0.9
“1390 CH symmetrical deformation”
Raditoiu 等 - 2019 - Application of Fourier-Transform Infrared Spectros DOI: 10.1007/978-3-030-05819-7_1
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