What absorbs at 989 cm⁻¹ in an FTIR spectrum?
A band near 989 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 4 cited sources
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Phosphate (PO4) | 1 | 1 | 0.9 |
| Alkene (C=C) | 1 | 1 | 0.9 |
| Metal hydroxyl | 1 | 1 | 0.9 |
| Hydroxyl (O-H) | 1 | 0 | 0.8 |
| Metal oxygen | 1 | 0 | 0.8 |
Mae＇r safle＇n adlewyrchu tystiolaeth llenyddiaeth gronnwyd, nid rheol awdurdodol sengl. Cadarnhewch bob amser yn erbyn eich cyd-destun sampl.
Llenyddiaeth y tu ôl i＇r aseiniadau hyn
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Metal hydroxyl hyder 0.9
“Explicit assignment: peak at 989 cm-1 recognized as Cu-OH bending vibration.”
Lambhiya 等 - 2021 - Immobilization of transaminase from Bacillus liche DOI: 10.1186/s40643-021-00474-3 -
Alkene (C=C) hyder 0.9
“Band at 989 cm-1 assigned to vinyl groups.”
Sobiesiak - 2019 - Analysis of structure and properties of DVB-GMA ba DOI: 10.1007/s10450-018-9998-2 -
Phosphate (PO4) hyder 0.9
“Explicit assignment: '989 (P-O stretching vibration)'”
Svensson 等 - 2023 - Bio-Based Phosphate-Containing Polyester for Impro DOI: 10.3390/polym15051093 -
hyder 0.8
“Text: 'three bands at 989, 1085, and 1618 which are bent into the C-H ring outside the plate'”
Naseriyeh 等 - 2022 - Preparation of liposomal hydrogel containing Calen DOI: 10.14715/cmb/2022.68.11.1
Oes gennych sbectrwm gyda＇r band hwn?
Llwythwch eich sbectrwm FTIR i fyny a chael adroddiad dehongli llawn — aseiniadau brig gyda chyfeiriadau llenyddiaeth, cyfateb llyfrgell, a chadwyn dystiolaeth â gradd hyder — mewn eiliadau.
Dehongli fy sbectrwm