What absorbs at 1570 cm⁻¹ in an FTIR spectrum?
A band near 1570 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 |
|---|---|---|---|
| N h | 4 | 3 | 0,9 |
| C=n | 2 | 2 | 1,0 |
| Alkene (C=C) | 2 | 2 | 1,0 |
| Carboxyl (COOH) | 2 | 0 | 0,9 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
| C c single bond | 1 | 1 | 1,0 |
| Urethane | 1 | 1 | 0,9 |
| Amine primary | 1 | 1 | 0,9 |
| Protein | 1 | 1 | 0,7 |
Pořadí odráží nahromaděné literární důkazy, nikoli jediné autoritativní pravidlo. Vždy potvrďte v kontextu vašeho vzorku.
Literatura za těmito přiřazeními
-
C c single bond spolehlivost 1,0
“Due to C-C and C=C skeletal ring vibrations”
Thakur 和 Lokhande - 2017 - Dip time-dependent SILAR synthesis and electrochem DOI: 10.1007/s10008-016-3502-2 -
C=n spolehlivost 1,0
“Associated with C=N and C=C stretching vibrations of quinone and benzene rings.”
Abdolahi 等 - 2012 - Synthesis of Uniform Polyaniline Nanofibers throug DOI: 10.3390/ma5081487 -
C=n spolehlivost 1,0
“Explicit assignment in text: 'C=N stretch (1570 cm-1)'”
Gupta 等 - 2013 - Bioadhesive vaginal tablets containing spray dried DOI: 10.2478/acph-2013-0027 -
Carbonyl (C=O) spolehlivost 1,0
“Explicit assignment: '1570 ... attributed to C=O'”
Li 等 - 2020 - Magnetic responsive Thermomyces lanuginosus lipase DOI: 10.1016/j.mtcomm.2020.101197 -
Alkene (C=C) spolehlivost 0,9
“Explicit assignment.”
Suthakaran 等 - 2020 - Hydrothermal synthesis of surfactant assisted Zn d DOI: 10.1016/j.jpcs.2020.109407 -
spolehlivost 0,9
“Explicit: 'band at 1570 attributed to the aromatic ring stretching of amic/acid groups'”
Dubois 等 - 2022 - Innovative polypropylene based blends by in situ p DOI: 10.1016/j.polymer.2022.125022 -
spolehlivost 0,9
“Peak at 1570 cm-1 assigned to asymmetric stretching.”
Li 等 - 2018 - Roles of different types of oxalate surface comple DOI: 10.1038/s41598-018-20401-5 -
spolehlivost 0,9
“Associated with bending vibration of primary amino group.”
Oliveira 等 - 2022 - Water Immersion Aging of Epoxy Resin and Fique Fab DOI: 10.3390/polym14173650
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