What absorbs at 1555 cm⁻¹ in an FTIR spectrum?
A band near 1555 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
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| Amide | 4 | 4 | 1.0 |
| N h | 1 | 1 | 0.95 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| C=n | 1 | 1 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.9 |
Ang pagraranggo ay sumasalamin sa naipon na ebidensya ng literatura, hindi isang solong awtoritatibong tuntunin. Palaging kumpirmahin laban sa konteksto ng iyong sample.
Literatura sa likod ng mga pagtatalagang ito
-
Amide kumpiyansa 1.0
“Explicit assignment: 'amide II 1555 cm-1'.”
Park 等 - 2000 - Vibrational Stark spectroscopy of NO bound to heme DOI: 10.1021/ja0014741 -
N h kumpiyansa 0.95
“Explicit assignment in text.”
Cojocaru 等 - 2022 - Electrospun Nanofibrous Membranes Based on Citric DOI: 10.3390/polym14020294 -
Alkyl C-H kumpiyansa 0.9
“Text: 'bands at ... 1555 ... which corresponds at ... C-H'.”
Malaikozhundan 等 - 2017 - Two potential uses for silver nanoparticles coated DOI: 10.1016/j.micpath.2017.08.039 -
kumpiyansa 0.9
“Explicit assignment in text”
Berthelot 等 - 2007 - New conductive copolymer membranes via track-etche DOI: 10.1016/j.nimb.2007.08.066 -
C=n kumpiyansa 0.9
“Attributed to C=N stretching vibration.”
Han 等 - 2020 - Effects of processing conditions on the properties DOI: 10.1016/j.rser.2017.10.002. -
Amide kumpiyansa 0.9
“Explicit assignment.”
Paraskevaidi 等 - 2017 - Differential diagnosis of Alzheimer's disease usin DOI: 10.6084/m9.figshare. -
Carboxyl (COOH) kumpiyansa 0.9
“Explicit assignment in text”
Pinzon-Moreno 等 - 2022 - Degradation of Hydrogels Based on Potassium and So DOI: 10.3390/polym14132656 -
Amide kumpiyansa 0.9
“Text: 'Peaks located at ~1650 and 1555 corresponded with the presence of amide I and amide II structures.'”
Sarna-Bos 等 - 2022 - Physicochemical Properties and Surface Characteris DOI: 10.3390/molecules27185852
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