What absorbs at 1003 cm⁻¹ in an FTIR spectrum?
A band near 1003 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
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| C-S single bond | 1 | 1 | 1.0 |
| Metal oxo | 1 | 1 | 1.0 |
| Amino acid | 1 | 1 | 0.9 |
| Phosphate (PO4) | 1 | 1 | 0.8 |
| C-O single bond | 1 | 1 | 0.5 |
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
-
Metal oxo kumpiyansa 1.0
“Explicitly stated: 'peaks at 1003 and 956 assigned respectively to V5+=O and V4+=O'”
Nagaraju - 2013 - Ultra Long Single Crystalline Na0.3V2O5 Nanofibers DOI: 10.5935/0103-5053.20130213 -
C-S single bond kumpiyansa 1.0
“ν(CS)δ(CNS) vibrational mode in complex 2”
Delgado 等 - 2019 - Ni-thiosaccharinate complexes Synthesis, characte DOI: 10.1016/j.ica.2019.04.040 -
kumpiyansa 0.9
“Text: 'peak at 1003 cm-1, which represents the formation of the aluminum-rich gel (gel A)'”
Ionescu 等 - 2023 - The Influence of Substitution of Fly Ash with Marb DOI: 10.3390/coatings13020403 -
kumpiyansa 0.9
“Text: 'weaker bands identified at 1003, 667, and 566 were attributed to the phosphate ions belonging to the hydroxyapatite'.”
Tisler 等 - 2022 - Human Enamel Fluorination Enhancement by Photodyna DOI: 10.3390/polym14142969 -
Amino acid kumpiyansa 0.9
“Intensity of phenylalanine band at 1003 cm-1.”
Wang 等 - 2021 - Effect of high intensity ultrasound on the structu DOI: 10.1016/j.ultsonch.2021.105808 -
Phosphate (PO4) kumpiyansa 0.8
“assigned to surface phosphate”
Sabur 和 Al-Abadleh - 2015 - Surface interactions of monomethylarsonic acid wit DOI: 10.1080/10408440500534230. -
C-O single bond kumpiyansa 0.5
“Text: 'symmetricstretching(1097cm-1)' but 1002.92 listed; ambiguous.”
Cole 等 - 2019 - Dataset on the effect of hardwood biochar on soil DOI: 10.1016/j.dib.2019.104073
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