What absorbs at 1482 cm⁻¹ in an FTIR spectrum?
A band near 1482 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
Possible functional-group assignments
| Functional group | Supporting facts | Cited sources | Top confidence |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 0.9 |
| Carbonate | 1 | 1 | 1.0 |
| Metal oxygen | 1 | 1 | 0.9 |
| C c single bond | 1 | 1 | 0.8 |
| C n single bond | 1 | 0 | 0.9 |
Ranking reflects accumulated literature evidence, not a single authoritative rule. Always confirm against your sample context.
Literature behind these assignments
-
Carbonate confidence 1.0
“Explicit assignment: 'carbonated group (CO3) at 1482 cm-1'”
Abu Zeid 等 - 2017 - Chemistry and Bioactivity of NeoMTA Plus (TM) vers DOI: 10.1155/2017/8736428 -
Alkyl C-H confidence 0.9
“Text states 'absorption at 1482.3 and 1095.6 are characteristic of C-H'.”
Chen 等 - 2023 - Silver nanoparticles deposited on a cotton fabric DOI: 10.1039/d3ra00989k -
Metal oxygen confidence 0.9
“Explicit assignment in text”
Durai 等 - 2021 - INVESTIGATIONS ON STRUCTURAL, OPTICAL, AND IMPEDAN DOI: 10.4314/bcse.v35i1.13 -
Alkyl C-H confidence 0.9
“Characteristic vibrational band for CH scissoring.”
Shanmugasundar 等 - 2019 - Study on the inflammatory response of PMMApolysty DOI: 10.1371/journal.pone.0209948 -
C c single bond confidence 0.8
“C-C stretching vibrations in Raman spectrum.”
Arjunan 等 - 2012 - Quantum chemical studies and vibrational analysis DOI: 10.1016/j.saa.2012.08.053
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