What absorbs at 944 cm⁻¹ in an FTIR spectrum?
A band near 944 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
Possibili assegnazioni di gruppi funzionali
| Gruppo funzionale | Fatti di supporto | Fonti citate | Affidabilità massima |
|---|---|---|---|
| Alkyl C-H | 4 | 3 | 1,0 |
| Methoxy (OCH3) | 4 | 3 | 1,0 |
| Methacrylate | 4 | 3 | 1,0 |
| Acetate | 4 | 3 | 1,0 |
| C-O single bond | 3 | 3 | 1,0 |
| Ring structure | 2 | 1 | 1,0 |
| Hydroxyl (O-H) | 2 | 1 | 1,0 |
| Chlorine | 1 | 1 | 1,0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1,0 |
| Carbohydrate | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 0 | 1,0 |
| Methyl | 1 | 0 | 1,0 |
La classifica riflette le prove bibliografiche accumulate, non una singola regola autorevole. Conferma sempre nel contesto del tuo campione.
Letteratura dietro queste assegnazioni
-
Acetate affidabilità 1,0
“The cm-1 peak at 944 observed in the as-burnt BCZT powder with pH 5 was related to C-O-H bending vibration which was in agreement with previous work [13].”
Influence of pH values on the surface and properties of BCZT nanopowders synthesized via sol-gel auto-combustion method DOI: 10.1016/j.surfcoat.2016.03.091 -
affidabilità 1,0
“These peaks 943.88 and 968.32 eV correspond to Cu(II) species at the Cu 2O surface [52].”
Synthesis of CaCO3/Cu2O/GO Nanocomposite Catalysts for Hydrogen Production from NaBH4 Methanolysis DOI: 10.3390/catal13061010 -
Carbohydrate affidabilità 1,0
“Finally, absorptions at 944 and 841 were assigned to the pyranose ring.”
Gabriela Chuc-Gamboa 等 - 2021 - Antibacterial Behavior of Chitosan-Sodium Hyaluron DOI: 10.3390/app1103 -
affidabilità 1,0
“silanol Si-O stretch 944 Si-O-Si symmetric stretch 802 C-H3Asymmetric stretch 2954, 2955, 2961 C-H3Symmetric stretch”
<32352D382D3032283433322D3433372920C1A4BCF6B1A420C0AFBDBDB1E220C0E5BDBDBED620B9DAC1F8BCBA20B1E8C5C2C7F620C0CCC1A4C8C620B1E8BCF6B9CE2E687770> DOI: 10.6110/KJACR.2013.25.8.432 -
Acetate affidabilità 1,0
“The peaks saw at 944.5, prepared sample is calculated by using Debye-Scherrer's formula, cm(cid:3)1 C-O C-O 1105.6 and 1569.2 are assigned to aliphatic bending, C¼O film.”
Effect of Al2O3 on structural and dielectric properties of PVP-CH3COONa based solid polymer electrolyte films for energy storage devices DOI: 10.1016/j.heliyon.2019.e02727 -
Alkyl C-H affidabilità 1,0
“There are two strong absorption Figure 4c represents the IR spectrum of cationic sago starch at the optimum condition with DS bands at 944 cm-1 and 1081 cm-1 corresponded to an alkyl halide, C-Cl and C-O stretching, 1.195.”
Preparation and Optimization of Water-Soluble Cationic Sago Starch with a High Degree of Substitution Using Response Surface Methodology DOI: 10.3390/polym12112614 -
Alkyl C-H affidabilità 1,0
“cm-1-C-O and C-C stretching vibration, 1103-1020 cm-1--CH2 bending vibration, 944For the irradiated samples at 120 min, 180 min, and 240 min, two bands appear at 804 cm-1--CH bending vibration (phenyl), and 779-745 cm-1-C-O-C bending vibrac”
Optical Characterization of Ciprofloxacin Photolytic Degradation by UV-Pulsed Laser Radiation DOI: 10.3390/molecules26082324
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