What absorbs at 3078 cm⁻¹ in an FTIR spectrum?
A band near 3078 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 3 cited sources
Possible functional-group assignments
| Functional group | Supporting facts | Cited sources | Top confidence |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1.0 |
| Ring structure | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Protein | 1 | 1 | 1.0 |
| N h | 1 | 1 | 1.0 |
Ranking reflects accumulated literature evidence, not a single authoritative rule. Always confirm against your sample context.
Literature behind these assignments
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confidence 1.0
“cm-1.48,49 1800-1000 and Control skin showed characteristic verified with the results extracted from elemental analysis (MPcm-1 chemical peaks at 3078, 2929, and 2856 corresponding to AES in the AC and the DC), as well as the amount of gold”
High-Sensitivity Permeation Analysis of Ultrasmall Nanoparticles Across the Skin by Positron Emission Tomography DOI: 10.1021/acs.bioconjchem.1c00017 -
Alkyl C-H confidence 1.0
“f 4 1 70 45 trace cm-1 -C-H for aromatic stretching, 2879.78 FTIR: 3077.78 cm-1 -C-H for aliphatic stretching, 1682.17 and 1626.54 cm-1 cm-1 °C, After that, for 3 h at 70 the same model reaction was -N�CHAr-C�Cfor stretching, 1517.76 for cm”
Manjare 等 - 2023 - Microwave-Assisted Rapid and Green Synthesis of Sc DOI: 10.1021/acsomega.2c05187 -
Alkyl C-H confidence 1.0
“LLM confirmed rule peak-group candidate”
Optical Absorption and Visible Photoluminescence from Thin Films of Silicon Phthalocyanine Derivatives DOI: 10.3390/ma7096585
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