What absorbs at 618 cm⁻¹ in an FTIR spectrum?
A band near 618 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
Possíveis atribuições de grupos funcionais
| Grupo funcional | Fatos de suporte | Fontes citadas | Maior confiança |
|---|---|---|---|
| Metal oxygen | 2 | 2 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Water (H2O) | 1 | 1 | 1,0 |
A classificação reflete a evidência acumulada da literatura, não uma única regra autoritária. Sempre confirme com o contexto da sua amostra.
Literatura por trás destas atribuições
-
Metal oxygen confiança 1,0
“LLM confirmed rule peak-group candidate”
Photovoltaic and Antimicrobial Potentials of Electrodeposited Copper Nanoparticle DOI: 10.1016/j.bej.2018.10.009 -
Metal oxygen confiança 1,0
“The peak at 617.9 represented Zn-O stretching vibrations”
Successive Photocatalytic Degradation of Methylene Blue by ZnO, CuO and ZnO/CuO Synthesized from Coriandrum sativum Plant Extract via Green Synthesis Technique DOI: 10.3390/cryst13020281 -
Water (H2O) confiança 1,0
“Commons cm(cid:4)1 vibration.37 2 water molecules The sharp peak at 618”
Improved catalytic activity and bactericidal behavior of novel chitosan/V2O5 co-doped in tin-oxide quantum dots DOI: 10.1039/d2ra03975c -
Hydroxyl (O-H) confiança 1,0
“1121-1107cm-1 were the result of the vibrational (amide I) peptidic bond of protein, bands between 618cm-1 stretchings of O-H and C-O (carbohydrates) and the fingerprint region of the peaks at indicated monosubstituted aromatic structures.”
Li 等 - 2018 - Fluorescent component and complexation mechanism o DOI: 10.1098/rsos.171445 -
Alkyl C-H confiança 1,0
“cm-1 is attributed to the C-H stretch vibration, and two The small peak at 822 cm-1 peaks appeared at 618 and 542 band corresponding to the C-H bend, as”
Chemical functional groups of extractives, cellulose and lignin extracted from native Leucaena leucocephala bark DOI: 10.1007/s00226-020-01258-2
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