What absorbs at 597 cm⁻¹ in an FTIR spectrum?
A band near 597 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
Possible functional-group assignments
| Functional group | Supporting facts | Cited sources | Top confidence |
|---|---|---|---|
| Acetate | 1 | 1 | 1.0 |
| Chitosan | 1 | 1 | 1.0 |
| Metal oxygen | 1 | 1 | 1.0 |
| Sulfate (SO4) | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 1.0 |
| Chlorine | 1 | 1 | 1.0 |
Ranking reflects accumulated literature evidence, not a single authoritative rule. Always confirm against your sample context.
Literature behind these assignments
-
confidence 1.0
“1, 1 cerning temperature originated by the thermo-oxidative 2340 cmand the peak at 597 cmis a representative degradation and informative with the corresponding of C-Cl stretc.hing vibrations (Nirmal Ghosh et al.”
Current plastics pollution threats due to COVID-19 and its possible mitigation techniques: a waste-to-energy conversion via Pyrolysis DOI: 10.1186/s40068-020-00217-x -
Phosphate (PO4) confidence 1.0
“finally, two strong and sharp peaks at 597 and 560 cm-1 are attributed to the triple degenerate antisymmetric bending mode of the [PO 4]3group [9] (Table 5).”
Structural Characterization of Low-Sr-Doped Hydroxyapatite Obtained by Solid-State Synthesis DOI: 10.3390/cryst13010117 -
Sulfate (SO4) confidence 1.0
“cm-1 cm-1 at 666 and 597 represent the stretching and bending vibration of sulfate, the peak at peaks at 666 cm-1 and 597 cm-1 represent the stretching and bending vibration of sulfate, the peak at cm-1 cm-1 1096 is the stretching vibration”
Inhibition of Poly(ethylenediaminetetraacetic acid-diethanolamine) on Deposition of Calcium Sulfate Crystal in Simulated Industrial Water DOI: 10.3390/cryst10060544 -
confidence 1.0
“The characteristic vibra- (S-O stretch) and around 668 and 597 cm-1 (S-O tions of sulfate can be seen at 1100 cm-1 bends) [13].”
Assessment of Easily Accessible Spectroscopic Techniques Coupled with Multivariate Analysis for the Qualitative Characterization and Differentiation of Earth Pigments of Various Provenance DOI: 10.3390/min12060755 -
Metal oxygen confidence 1.0
“4a, FT-IR spectrum of Fe 3O displays a strong absorp4 cm-1 tion band at 597 belonging to the tetrahedral structure of trivalent Fe-O absorption.”
Silver incorporated into g-C3N4/Alginate as an efficient and heterogeneous catalyst for promoting click and A3 and KA2 coupling reaction DOI: 10.1038/s41598-021-93239-z -
Chitosan confidence 1.0
“cm-1 bands at 1,597 and 1,615 In this study, solid-state NMR spectra revealed the in the FTIR spectrum of functional groups of chitosan acetate salt in its molecular chitosan.”
Fernandez Cervera 等 - 2011 - Effects of Spray Drying on Physicochemical Propert DOI: 10.1208/s12249-011-9620-3 -
confidence 0.9
“Explicit assignment in text.”
Plata Lievano 和 Carreno Diaz - 2016 - Synthesis and Characterization of 1-Methyl-3-Metho DOI: 10.1590/1980-5373-MR-2015-0561
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