What absorbs at 1180 cm⁻¹ in an FTIR spectrum?
A band near 1180 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
Võimalikud funktsionaalrühmade määramised
| Funktsionaalrühm | Toetavad faktid | Tsiteeritud allikad | Kõrgeim usaldusväärsus |
|---|---|---|---|
| C-O single bond | 4 | 4 | 0,9 |
| Nucleic acid | 1 | 1 | 0,9 |
| Fluorine (C-F) | 1 | 1 | 0,9 |
| Borate | 1 | 1 | 0,9 |
| N h | 1 | 1 | 0,8 |
| Siloxane (Si-O-Si) | 1 | 1 | 0,8 |
Reiting kajastab kogunenud kirjanduslikke tõendeid, mitte ühte autoriteetset reeglit. Kinnitage alati oma proovi kontekstis.
Nende määramiste taga olev kirjandus
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C-O single bond usaldusväärsus 0,9
“Explicit assignment: bands at 1180 cm-1 assigned to C-O-C.”
El-Hadi - 2011 - Effect of Processing Conditions on the Development DOI: 10.1002/pen.21991 -
Borate usaldusväärsus 0,9
“Bands between 1180 and 850 assigned to ν (B-O) and ν (S-O).”
Haemmer 等 - 2022 - Cd[B-2(SO4)(4)] and H-2[B-2(SO4)(4)] - a phyllosil DOI: 10.1039/d2dt02344j -
C-O single bond usaldusväärsus 0,9
“Explicit assignment.”
Lyszczek 等 - 2022 - A Top-Down Approach and Thermal Characterization o DOI: 10.3390/ma15248826 -
Fluorine (C-F) usaldusväärsus 0,9
“absorption band due to CF2 species”
Padilha 等 - 2013 - Effect of Plasma Fluorination Variables on the Dep DOI: 10.4322/polimeros.2013.093 -
C-O single bond usaldusväärsus 0,9
“Same as above.”
Ramirez-Herrera 等 - 2021 - Influence of the Epoxy Resin Process Parameters on DOI: 10.3390/polym -
Nucleic acid usaldusväärsus 0,9
“Text: 'DNA (1180-1280cm-1)'”
Srisongkram 等 - 2020 - Evaluation of Melanoma (SK-MEL-2) Cell Growth betw DOI: 10.3390/ijms21114141 -
Siloxane (Si-O-Si) usaldusväärsus 0,8
“Range 1051-1180 assigned to Si-O-Si”
Muthomimah 等 - 2020 - Effect of sonication frequency in synthesis of sil DOI: 10.1088/1757-899X/833/1/012077 -
N h usaldusväärsus 0,8
“Text: 'deformation cm-1 vibration of N-H bonds shown at 1180'”
Bialkowska 等 - 2016 - Preparation and Evaluation of the Dynamic Mechanic DOI: 10.5755/j01.ms.22.4.12503
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