What absorbs at 433 cm⁻¹ in an FTIR spectrum?
Una banda cerca de 433 cm⁻¹ puede apuntar a varios grupos funcionales. A continuación se muestran las asignaciones más probables, clasificadas por cuánta evidencia publicada respalda cada una — cada una trazable a literatura (DOI) y validada de forma cruzada con nuestros más de 130,000 espectros de referencia y grafo de conocimiento.
Backed by 8 cited sources
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| Metal oxygen | 3 | 3 | 1,0 |
| Phosphate (PO4) | 2 | 2 | 1,0 |
| Water (H2O) | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
La clasificación refleja la evidencia acumulada de la literatura, no una única regla autorizada. Siempre confirme según el contexto de su muestra.
Literatura detrás de estas asignaciones
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Phosphate (PO4) confianza 1,0
“592cm(cid:1)1 showed the same peaks at 433 and due to internal O492 1.7m2/g) perature was greater at 0% (from 5.7 to and 5% SAID 430 963cm(cid:1)1 43(cid:1) PAO P-O vibration, at due to of the PO and at 1040 493 1.6m2/g) 1.4m2/g) (from 4.7”
Structure reinforcement of porous hydroxyapatite pellets using sodium carbonate as sintering aid: Microstructure, secondary phases and mechanical properties DOI: 10.1016/j.apt.2019.05.013 -
Metal oxygen confianza 1,0
“4]2(cid:2) 711-933cm(cid:2)1, tetrahedrons was detected at and The strong W-O stretching in [WO 433cm(cid:2)1.”
Phuruangrat 等 - 2010 - Synthesis, characterisation and photoluminescence DOI: 10.1080/17458080903513276 -
confianza 1,0
“From Fourier Transform Infrared cm-1 Spectroscopy (FTIR), the band at 433 is attributed to Zn-O bond Key words: Nanoparticles, Optical properties, XRD”
Pandiyarajan 和 Karthikeyan - 2011 - Optical, phonon and structural analysis of Na dope DOI: 10.1117/12.890082 -
Metal oxygen confianza 1,0
“From the FTIR spectrum, a strong peak of 862 has been obtained due to the 42cm-1 stretching vibration of WO in scheelite structure, and a weak but sharp band at 433 has been noticed due to the metal-oxygen (Ca-O) band.”
Abozaid 等 - 2018 - Characterization of Neodymium Doped Calcium Tungst DOI: 10.2298/SOS1804445A -
Phosphate (PO4) confianza 1,0
“The peaks at 433 cm-1 and 447 cm-1 were assigned to PO43υ2 vibration (bending mode), and the peaks at 1030 cm-1, 1047 cm-1 and 1079 cm-1 (arb.”
Gavinho 等 - 2023 - An Eco-Friendly Process to Extract Hydroxyapatite DOI: 10.3390/jfb14050279 -
Hydroxyl (O-H) confianza 1,0
“The first 3,630 The stretching and bending vibrations of the one (up to 433 K) is attributed to the dehydration of the hydroxyl groups of water molecules present in the clay can cm-1,”
Natkanski 等 - 2013 - Effect of Fe3+ ions present in the structure of po DOI: 10.1007/s10973-013-3225-x -
confianza 0,9
“Text: '433 are attributed to ... N bending vibrations'”
Francis 等 - 2016 - Optical nonlinearity in multiferroic bismuth ferri DOI: 10.1016/j.jallcom.2016.07.094 -
confianza 0,7
“Lewis Al2Cl peaks assigned”
Understanding the molecular structure of the elastic and thermoreversible AlCl3:urea/polyethylene oxide gel electrolyte DOI: 10.1002/cssc.202001557
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