What absorbs at 1456 cm⁻¹ in an FTIR spectrum?
A band near 1456 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
Možná přiřazení funkčních skupin
| Funkční skupina | Podpůrná fakta | Citované zdroje | Nejvyšší spolehlivost |
|---|---|---|---|
| Alkyl C-H | 8 | 7 | 1,0 |
| Carbonate | 4 | 4 | 0,9 |
| Methyl | 3 | 3 | 1,0 |
| Lignin | 1 | 1 | 0,95 |
| Phospholipid | 1 | 1 | 0,9 |
| Carboxyl (COOH) | 1 | 1 | 0,9 |
| Aromatic ring | 1 | 1 | 0,9 |
| Protein | 1 | 1 | 0,7 |
| Phosphate (PO4) | 1 | 1 | 0,7 |
Pořadí odráží nahromaděné literární důkazy, nikoli jediné autoritativní pravidlo. Vždy potvrďte v kontextu vašeho vzorku.
Literatura za těmito přiřazeními
-
Alkyl C-H spolehlivost 1,0
“Aliphatic CH bending vibration”
Zhao 等 - 2015 - Discrimination of Adulterated Sesame Oil Using Mid DOI: 10.1007/s12161-015-0125-7 -
spolehlivost 1,0
“Split from ν3 antisymmetric stretching”
Madupalli 等 - 2017 - Carbonate substitution in the mineral component of DOI: 10.1016/j.jssc.2017.07.025. -
Methyl spolehlivost 1,0
“explicit assignment in text”
Nath 等 - 2021 - A novel double-side welding approach for friction DOI: 10.1007/s00170-021-06602-9 -
Lignin spolehlivost 0,95
“Same sentence as 1600”
Solihat 等 - 2020 - Microwave assisted dilute organic acid pre-treatme DOI: 10.1088/1757-899X/935/1/012046 -
Alkyl C-H spolehlivost 0,9
“Peak between 1456 and 1465 represents C-H in asphalt.”
Ding 和 Hesp - 2021 - Variable-temperature Fourier-transform infrared sp DOI: 10.1016/j.fuel.2021.120819 -
spolehlivost 0,9
“Text: 'Peaks at wave number 1604 and 1456 indicated the vibration of the primary NH and the stretching vibration of C=C derived from aromatic ring'”
Hidayat 等 - 2016 - Enzymatic Synthesis of Bio-Surfactant Fructose Ole DOI: 10.1016/j.aaspro.2016.02.150 -
spolehlivost 0,9
“Explicitly assigned to oyster phase in FTIR spectra.”
AlBadr 等 - 2020 - The effectiveness of oyster filler on the physical DOI: 10.1063/5.0031467 -
Carbonate spolehlivost 0,9
“Band indicates carbonate substitution at phosphate vibrational sites.”
Balu 等 - 2020 - Facile biogenic fabrication of hydroxyapatite nano DOI: 10.3762/bjnano.11.21
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