What absorbs at 888 cm⁻¹ in an FTIR spectrum?
A band near 888 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 5 cited sources
Mga posibleng pagtatalaga ng functional-group
| Grupong functional | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| C c single bond | 1 | 1 | 1.0 |
| Methoxy (OCH3) | 1 | 1 | 1.0 |
| Methacrylate | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| Acetate | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 0 | 1.0 |
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
-
kumpiyansa 1.0
“Assigned to β-phase in text.”
Spectroscopic and thermal investigations of poly(vinylidene fluoride) films composites with LaNi3Co2 DOI: 10.1002/crat.200610789 -
Alkyl C-H kumpiyansa 1.0
“cm-1 cm-1 cm-1 and aliphatic C-H vibrations), 1646 (C = C aromatic), 1376 and 1450 cm-1 (CH and CH bending vibrations), 888, 835 (polyisoprene isomers), 758 and 698 3”
Lungulescu 和 Zaharescu - 2022 - Radiation Processing of Styrene-isoprene-styreneP DOI: 10.3390/polym14214737 -
Acetate kumpiyansa 1.0
“The FTIR absorption band at 888 cm-1 X1, which becomes more pronounced (more intense and in commercial cellulose, assigned to C-O-C stretch-”
Singh 等 - 2016 - Effect of carbon sources on physicochemical proper DOI: 10.1515/epoly-2016-0047 -
C c single bond kumpiyansa 1.0
“887.64 (C-C stretchcm-1”
Y 等 - 2020 - A Spatial Distribution Analysis on the Deposition DOI: 10.31661/jbpe.v0i0.1104. -
kumpiyansa 0.9
“Explicit assignment in text: 'peak at 888.07 indicated the presence of a chitosan ring'”
Physico-Mechanical Properties of Commercially Available Tissue Conditioner Modified with Synthesized Chitosan Oligosaccharide DOI: 10.3390/polym14061233
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