What absorbs at 441 cm⁻¹ in an FTIR spectrum?
A band near 441 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
Possíveis atribuições de grupos funcionais
| Grupo funcional | Fatos de suporte | Fontes citadas | Maior confiança |
|---|---|---|---|
| Metal oxygen | 5 | 5 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| C-O single bond | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
| Silicon-oxygen (Si-O) | 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
-
confiança 1,0
“FTIR transmittance spectra of multiphase ZrO2 films ancm-1 at 441 is related to Zr-O vibration mode of m-ZrO nealedatdifferenttemperatures(200◦Cand400◦C).”
Khan 等 - 2013 - Post-annealing effect on the structural and mechan DOI: 10.1088/1674-1056/22/12/127306 -
confiança 1,0
“Interaction between the ZnO nanoparticles and PVP were investigated by Fourier Transform Infrared Spectroscopy (FTIR), it shows band at cm-1 441 is attributed to Zn-O bond.”
Pandiyarajan 和 Karthikeyan - 2013 - Structural, thermal and optical properties of PVP DOI: 10.4028/www.scientific.net/AMR.678.253 -
confiança 1,0
“Figure 5a, and 1571 The Si-O bending modes appear at 441 cm-1 b shows TEM images of as-synthesized materials at and 506 while the symmetric stretching vibrational cm-1.”
Structural and optical properties of green emitting Y2SiO5:Tb3+ and Gd2SiO5:Tb3+ nanoparticles for modern lighting applications DOI: 10.1007/s12598-020-01585-0 -
Acetate confiança 1,0
“Similarly adjacent amino and carboxylic groups seems to be sup440 411 to poly(o-aminobenzoic acid), the presence of two differported by the bipolar character of the absorption cen441 412 ent absorptions for the carboxylic C-O stretching”
Benyoucef 等 - 2005 - Synthesis and in situ MRS characterization of cond DOI: 10.1016/j.eurpolymj.2004.10.047 -
Metal oxygen confiança 1,0
“cm-1, The spectra exhibited absorption bands at 441 and 622 and they could be used as a cm-1 detection for the stretching band of Ce-O.”
Development and In Vitro Evaluation of Biocompatible PLA-Based Trilayer Nanofibrous Membranes for the Delivery of Nanoceria: A Novel Approach for Diabetic Wound Healing DOI: 10.3390/polym13213630 -
Metal oxygen confiança 1,0
“LLM confirmed rule peak-group candidate”
Facile assembly of flexible quaternary SnO2/SrSnO3/Fe3O4/PVDF nanocomposites with tunable optical, electrical, and magnetic properties for promising magneto-optoelectronic applications DOI: 10.1038/s41598-023-32090-w -
Phosphate (PO4) confiança 1,0
“bending P-O bands were measured at 441, and 481”
Ponnusamy 等 - 2022 - Synthesis, Structural, and Mechanical Behavior of DOI: 10.3390/ma15082924 -
Metal oxygen confiança 1,0
“The strong 441 ( 4) and 576 ( 2) absorption bands are owning to Fe-O bending and stretching vibration, respectively, being the octahedral cm-1 <FeO 6>.”
Salah 等 - 2021 - Influence of BaO Doping on the Structural, Ac Cond DOI: 10.21203/rs.3.rs-204688/v1
Tem um espectro com esta banda?
Carregue seu espectro FTIR e obtenha um relatório de interpretação completo — atribuições de picos com citações da literatura, correspondências de biblioteca e uma cadeia de evidências com nível de confiança — em segundos.
Interpretar meu espectro