What absorbs at 940 cm⁻¹ in an FTIR spectrum?
A band near 940 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 8 cited sources
संभावित कार्यात्मक-समूह असाइनमेंट
| कार्यात्मक समूह | समर्थन तथ्य | उद्धृत स्रोत | शीर्ष विश्वास |
|---|---|---|---|
| Silanol (Si-OH) | 1 | 1 | 0.9 |
| Methacrylate | 1 | 1 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.9 |
| Ester | 1 | 1 | 0.9 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0.9 |
| C-O single bond | 1 | 1 | 0.8 |
| Oxygen heterocycle | 1 | 0 | 0.9 |
| Silicon fluorine | 1 | 0 | 0.9 |
रैंकिंग संचित साहित्य साक्ष्य को दर्शाती है, एक एकल आधिकारिक नियम नहीं। हमेशा अपने नमूना संदर्भ के खिलाफ पुष्टि करें।
इन असाइनमेंट के पीछे का साहित्य
-
Silicon-oxygen (Si-O) विश्वास 0.9
“Explicit assignment in text: '4 peaks arising from Si-O stretching vibrations in the region from 940 to cm21 1140'”
Loo 和 Gleason - 2004 - Investigation of polymer and nanoclay orientation DOI: 10.1016/j.polymer.2004.06.025 -
विश्वास 0.9
“Explicitly stated: 'endothermic peaks at 659 and 940 are due to the montmorillonite dehydroxy'”
Bahranowski 等 - 2021 - Rehydration Driven Na-Activation of Bentonite-Evol DOI: 10.3390/ma14247622 -
Ester विश्वास 0.9
“explicit assignment”
Bautista 等 - 2018 - Thermal Degradation Mechanism of a Thermostable Po DOI: 10.3390/ma11010022 -
Carbonyl (C=O) विश्वास 0.9
“Explicitly assigned: 'large band assigned to a C=O stretch'”
Castro 等 - 2016 - Spectroscopic analysis used to uncover the origina DOI: 10.1186/s40494-016-0100-7 -
Methacrylate विश्वास 0.9
“Listed as methacrylate peak”
Delgado 和 Young - 2021 - Modelling ATR-FTIR Spectra of Dental Bonding Syste DOI: 10.3390/ma14040760 -
Silanol (Si-OH) विश्वास 0.9
“Attributed to vibrational stretching of silanol (Si-OH) groups.”
Elma 等 - 2021 - Physicochemical Properties of Mesoporous Organo-Si DOI: 10.3390/membranes11080607 -
विश्वास 0.9
“Explicit assignment: Nb=O bands centered at ~940 cm-1.”
Moreto 等 - 2021 - New insights of Nb2O5-based coatings on the 316L S DOI: 10.1007/s10856-021-06498-7 -
C-O single bond विश्वास 0.8
“C-O stretching region 940-1175 cm-1”
Hssaini 等 - 2022 - Rapid Prediction of Fig Phenolic Acids and Flavono DOI: 10.3389/fpls.2022.782159
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