What absorbs at 670 cm⁻¹ in an FTIR spectrum?
A band near 670 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 |
|---|---|---|---|
| Metal oxygen | 3 | 1 | 0.9 |
| Silicon hydride | 1 | 1 | 0.9 |
| Metal sulfur | 1 | 1 | 0.9 |
| Sulfate (SO4) | 1 | 1 | 0.8 |
| Alkyl C-H | 1 | 1 | 0.7 |
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 sulfur kumpiyansa 0.9
“prominent peak corresponding to Cd-S”
Preeyanka 和 Sarkar - 2021 - Probing How Various Metal Ions Interact with the S DOI: 10.1021/acs.langmuir.1c00548 -
kumpiyansa 0.9
“Explicitly assigned as 4-ring-breathing mode near 670 cm-1.”
Waeselmann 等 - 2020 - Nondestructive determination of the amphibole crys DOI: 10.1002/jrs.5626 -
kumpiyansa 0.9
“Explicit assignment.”
Bober 等 - 2023 - Polypyrrole Aerogels Efficient Adsorbents of Cr(V DOI: 10.3390/gels9070582 -
Metal oxygen kumpiyansa 0.9
“Explicit assignment in text.”
Helen 等 - 2023 - Amelioration of ionic conductivity (303 K) with th DOI: 10.21203/rs.3.rs-1557220/v1 -
kumpiyansa 0.9
“Text: 'peaking around 611, 670, 890, and 912 cm-1, arising from A1(TO), E1(TO)'”
Kolaklieva 等 - 2019 - Pulsed Laser Deposition of Aluminum Nitride Films DOI: 10.3390/coatings9030195 -
kumpiyansa 0.9
“Explicit assignment in text.”
Kumar 等 - 2021 - Characterization of thermal storage stability of w DOI: 10.1371/journal.pone.0248465 -
kumpiyansa 0.9
“Broader band centered at about 670 cm-1 attributed to Pb-O bonds vibrations from [PbO 3] and [PbO 4] units.”
Rada 等 - 2011 - FTIR, Raman, and UV-Vis spectroscopic and DFT inve DOI: 10.1007/s00894-010-0911-5 -
Silicon hydride kumpiyansa 0.9
“Assigned to Si-H wagging.”
Serenelli 等 - 2014 - Hydrogen plasma and thermal annealing treatments o DOI: 10.1016/j.egypro.2014.12.350
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