What absorbs at 770 cm⁻¹ in an FTIR spectrum?
Et bånd nær 770 cm⁻¹ kan peke på flere funksjonelle grupper. Nedenfor er de mest sannsynlige tildelingene, rangert etter hvor mye publiserte bevis som støtter hver — hver enkelt sporbar til litteratur (DOI) og kryssvalidert mot våre 130 000+ referansespektre og kunnskapsgraf.
Backed by 6 cited sources
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Carbohydrate | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
| Aromatic ring | 1 | 1 | 1.0 |
| Urethane | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Metal oxygen | 1 | 0 | 1.0 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
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konfidens 1.0
“O-O the shoulder at 770 can be assigned to the stretching support to the latter "nucleophilic attack mechanism", as Ti-18O-18O-Ti.”
Nakamura 和 Nakato - 2004 - Primary intermediates of oxygen photoevolution rea DOI: 10.1021/ja0388764CCC -
Hydroxyl (O-H) konfidens 1.0
“Obtained Wavenumber Reference Wavenumber Functional Group/Fingerprint ObtainedWavenumber ReferenceWavenumber FunctionalGroup/Fingerprint cm-1 cm-1 2965.11 ±3000 (Strong & Board) -COOH (O-H Stretching) 2965.11cm-1 ±3000cm-1 -COOH(O-HStretchi”
Validation of the Developed Zero-Order Infrared Spectrophotometry Method for Qualitative and Quantitative Analyses of Tranexamic Acid in Marketed Tablets DOI: 10.3390/molecules26226985 -
Urethane konfidens 1.0
“The peak at 770 is attributed to the bending vibration peak in vibration peak in the carbamate formed by the reaction.”
The Effect of Glycidyl Azide Polymer Grafted Tetrafunctional Isocyanate on Polytriazole Polyethylene Oxide-Tetrahydrofuran Elastomer and its Propellant Properties DOI: 10.3390/polym12020278 -
Aromatic ring konfidens 1.0
“LLM confirmed rule peak-group candidate”
Mahapatra 等 - 2023 - Chemically activated carbon preparation from natur DOI: 10.2166/wst.2023.004 -
Carboxyl (COOH) konfidens 1.0
“The changes on the bands of reactive groups may also 895cm-1, 770cm-1 and Additionally, new peaks appeared at be explained by the protonation of reactive groups: carboxylate groups 467cm-1 Cr]O, CreO corresponding to the stretching vibratio”
Mo 等 - 2019 - New highly-percolating alginate-PEI membranes for DOI: 10.1016/j.carbpol.2019.115177 -
Carbohydrate konfidens 1.0
“770 are bands associated with the oscillations of the (δ anomeric region of carbohydrates or deformation C-H (C-H)).”
Samborska 等 - 2018 - Membrane Processing in the Sustainable Production DOI: 10.3390/app8071082
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