What absorbs at 1175 cm⁻¹ in an FTIR spectrum?
A band near 1175 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
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| C-O single bond | 4 | 3 | 0.9 |
| Fluorine (C-F) | 1 | 1 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0.9 |
Ang pagraranggo ay sumasalamin sa naipon na ebidensya ng literatura, hindi isang solong awtoritatibong tuntunin. Palaging kumpirmahin laban sa konteksto ng iyong sample.
Literatura sa likod ng mga pagtatalagang ito
-
Fluorine (C-F) kumpiyansa 1.0
“Explicit assignment in text.”
Sosulin 等 - 2017 - Communication A hydrogen-bonded difluorocarbene c DOI: 10.1063/1.4999772 -
C-O single bond kumpiyansa 0.9
“Explicit assignment in text”
Abd Rahman 等 - 2014 - UV-Curable Acrylated Coating From Epoxidized Palm DOI: 10.1063/1.4895237 -
Silicon-oxygen (Si-O) kumpiyansa 0.9
“Range 766-1175 cm-1 attributed to Si-O asymmetric stretch.”
Ashemary 等 - 2023 - Preparation and characterization of mesoporous Lan DOI: 10.15251/DJNB.2023.182.681 -
kumpiyansa 0.9
“Explicit assignment in text.”
Bertuola 等 - 2020 - Detection of carvacrol in essential oils by electr DOI: 10.1016/j.heliyon.2020.e03714 -
kumpiyansa 0.9
“Explicit assignment: asymmetrical vibration band of C=O citric group.”
Janusz 等 - 2020 - Synthesis of citrates of selected lanthanides (Er, DOI: 10.37190/ppmp/128739 -
kumpiyansa 0.9
“Sulfonates present a strong absorption peak near ~1175 cm-1 for symmetric stretching.”
Shukla 等 - 2023 - Rapid Estimation of Sulfur Content in High-Ash Ind DOI: 10.3390/min13050634 -
C-O single bond kumpiyansa 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 -
C-O single bond kumpiyansa 0.8
“Same assignment as 1158.”
Perrone 等 - 2016 - Ozonolysis combined with ultrasound as a pretreatm DOI: 10.1016/j.biortech.2016.06.072
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