What absorbs at 978 cm⁻¹ in an FTIR spectrum?
A band near 978 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 6 cited sources
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Aromatic ring | 1 | 1 | 1.0 |
| Silicon hydride | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Borate | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
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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Alkyl C-H hyder 1.0
“related to the PLLA crystal [19], the crystalline band It shows decreasing of the glass transition temperatures cm-1 at 978 is given to bending vibrations of -C-H (Tg)inthePLLA,PDLLAandPHBblendswithanadditive.”
El-Hadi - 2019 - Miscibility of CrystallineAmorphousCrystalline B DOI: 10.1080/03602559.2018.1455863 -
Borate hyder 1.0
“2) could 4(cid:2) unit-related B-O stretching correspond to BO 978-cm(cid:2)1 IR band indicates the vibrations.”
Lakshminarayana 等 - 2019 - Borotellurite Glasses for Gamma-Ray Shielding An DOI: 10.1007/s11664-018-6810-8 -
Hydroxyl (O-H) hyder 1.0
“cm-1 amide I and II may be substituted at 1643.1 The peak at 978.3 is associated with alcohol and amine stretching vibrations.”
Synthesis and Characterization of Sulfur Nanoparticles of Citrus limon Extract Embedded in Nanohydrogel Formulation: In Vitro and In Vivo Studies DOI: 10.3390/gels9040284 -
Amide hyder 1.0
“of the protein β-sheet (978 cm-1), and the band of Amide III (centered at 1255 cm-1).”
The Role of the Preanalytical Step for Human Saliva Analysis via Vibrational Spectroscopy DOI: 10.3390/metabo13030393 -
Silicon hydride hyder 1.0
“In the curve of paring curves b and c, it could be found that the cm-1 824 belonged to the symmetric deformation vibration of the four-membered ring in appeared in the infrared spectrum of the prepolymer appeared, which further proved that”
Chen 等 - 2021 - Synthesis of a novel UV-curable prepolymer 1,3-bis DOI: 10.2478/msp-2021-0030 -
Aromatic ring hyder 1.0
“1165 other scissoring mode vibrations were assigned at 1172, 1118, and 1093 cm-1 The C-H out-of-plane bending (twisting vibrations) was observed at 978 and calcm-1, culated at 984 a series of twisting vibrations bands were found at 970, 940”
Density Functional Theory and Molecular Docking Investigations of the Chemical and Antibacterial Activities for 1-(4-Hydroxyphenyl)-3-phenylprop-2-en-1-one DOI: 10.3390/molecules26123631
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