What absorbs at 1247 cm⁻¹ in an FTIR spectrum?
A band near 1247 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 5 cited sources
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| C-O single bond | 2 | 2 | 1.0 |
| C n single bond | 1 | 1 | 0.9 |
| Ester | 1 | 1 | 0.9 |
| Amide | 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
-
C-O single bond kumpiyansa 1.0
“Stretching band of C-O group at 1247 cm-1.”
Ikramullah 等 - 2018 - Hemicellulose and lignin removal on typha fiber by DOI: 10.1088/1757-899X/352/1/012019 -
Amide kumpiyansa 0.9
“Explicitly assigned as amide III band.”
Pielesz 等 - 2017 - The role of topically applied L-ascorbic acid in e DOI: 10.1016/j.saa.2017.05.055 -
Ester kumpiyansa 0.9
“Strong peak assigned to campesterol acetic ester.”
Yang 等 - 2016 - Novel Synthesis of Phytosterol Ester from Soybean DOI: 10.1111/1750-3841.13354 -
C n single bond kumpiyansa 0.9
“Table row: 1247 cm-1 assigned to Amine C-N stretching”
Fatokun 等 - 2022 - A Comparison of Water Imbibition and Controlled De DOI: 10.3390/agronomy12071486 -
C-O single bond kumpiyansa 0.9
“Explicit assignment in text”
Saucedo-Balderas 等 - 2015 - Synthesis, Molecular Structure of Diethyl Phenylen DOI: 10.5935/0103-5053.20140289
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