What absorbs at 972 cm⁻¹ in an FTIR spectrum?
A band near 972 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 7 cited sources
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| Silicon-oxygen (Si-O) | 2 | 2 | 0.9 |
| Phosphate (PO4) | 1 | 1 | 0.9 |
| Metal oxygen | 1 | 1 | 0.9 |
| Siloxane (Si-O-Si) | 1 | 1 | 0.8 |
| Aldehyde (CHO) | 1 | 1 | 0.8 |
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
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kumpiyansa 1.0
“Explicit assignment: longitudinal optical phonon of 3C-SiC”
Shim 等 - 1998 - Effects of void formation on electrical and optica DOI: 10.4028/www.scientific.net/MSF.264-268.195 -
Metal oxygen kumpiyansa 0.9
“Explicitly assigned as As(V)-O vibration.”
Demirel 等 - 2022 - The effect of electrocoagulation (EC) on total ars DOI: 10.1007/s13201-022-01660-0 -
Silicon-oxygen (Si-O) kumpiyansa 0.9
“tensile vibration”
Ren 等 - 2023 - Preparation and Characterization of Low-Carbon Cem DOI: 10.3390/met -
Phosphate (PO4) kumpiyansa 0.9
“Peak at 972 cm-1 assigned to P-O-Ar deformation.”
Appavoo 等 - 2020 - Cardanol and Eugenol Sourced Sustainable Non-halog DOI: 10.3389/fchem.2020.00711 -
kumpiyansa 0.9
“New peak at 972 cm-1 assigned to stretching of U=O.”
Zhong 等 - 2021 - Isolation and Identification of Uranium Tolerant P DOI: 10.3389/fmicb.2021.676391 -
Aldehyde (CHO) kumpiyansa 0.8
“Same as above.”
Al-Shaibani 等 - 2021 - Enhanced Pharmaceutically Active Compounds Product DOI: 10.3390/molecules26092510 -
Silicon-oxygen (Si-O) kumpiyansa 0.8
“Text: peaks near 450, 664, 972 attributed to Si-O bending and Si-O-Si stretching.”
Feng 等 - 2022 - Mechanical Properties and Microstructure of Iron T DOI: 10.3390/min12121549
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