What absorbs at 1614 cm⁻¹ in an FTIR spectrum?
A band near 1614 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 |
|---|---|---|---|
| Aromatic ring | 4 | 3 | 1,0 |
| Carbonyl (C=O) | 3 | 3 | 0,9 |
| Alkene (C=C) | 2 | 2 | 0,9 |
| Water (H2O) | 2 | 2 | 0,9 |
| Hydroxyl (O-H) | 1 | 1 | 0,9 |
| Protein beta sheet | 1 | 1 | 0,9 |
| Ammonium | 1 | 1 | 0,8 |
Pořadí odráží nahromaděné literární důkazy, nikoli jediné autoritativní pravidlo. Vždy potvrďte v kontextu vašeho vzorku.
Literatura za těmito přiřazeními
-
Aromatic ring spolehlivost 1,0
“Text: 'characteristic peaks of aromatic ring at 1614'”
Zhang 和 Zhou - 2022 - Industrial lignins the potential for efficient re DOI: 10.21203/rs.3.rs-453856/v1 -
Carbonyl (C=O) spolehlivost 0,9
“Text states 'carbonyl peak at 1614 cm-1'.”
Gupta 等 - 2013 - Functionalization of pectin by periodate oxidation DOI: 10.1016/j.carbpol.2013.06.069 -
Protein beta sheet spolehlivost 0,9
“Assigned to β-sheet conformation.”
Lin 等 - 2005 - PHand thermal-dependent conformational transitio DOI: 10.1016/j.peptides.2004.11.005 -
Aromatic ring spolehlivost 0,9
“C-C aromatic stretching peak.”
Aamir 和 Ahmad - 2010 - Production and Stability Evaluation of Modified-Re DOI: 10.1208/s12249-010-9392-1 -
Hydroxyl (O-H) spolehlivost 0,9
“Explicit assignment: 'weak peak at 1614 represents the bending vibrations of -OH groups and adsorbed water molecules'”
Abd El-Fatah 等 - 2022 - A novel gallium oxide nanoparticles-based sensor f DOI: 10.1038/s41598-022-24558-y -
Carbonyl (C=O) spolehlivost 0,9
“attributed to C=O stretching”
Adam 等 - 2022 - Innovative Methylcellulose-Polyvinyl Pyrrolidone-B DOI: 10.3390/polym14153055 -
Alkene (C=C) spolehlivost 0,9
“Explicitly stated: 'C=C group cm-1 present at 1614'”
Alam 等 - 2017 - REMOVAL OF BASIC GREEN 5 BY CARBONACEOUS ADSORBENT DOI: 10.4314/bcse.v31i3.5 -
Alkene (C=C) spolehlivost 0,9
“Stretching at 1614 cm-1 indicated a G band for aromatic group from lignin.”
Armynah 等 - 2019 - Potentials of Biochars Derived from Bamboo Leaf Bi DOI: 10.1155/2019/3526145
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