What absorbs at 961 cm⁻¹ in an FTIR spectrum?
A band near 961 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
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| Phosphate (PO4) | 4 | 4 | 0,9 |
| Alkyl C-H | 1 | 1 | 0,95 |
| C n single bond | 1 | 1 | 0,9 |
| Hydroxyl (O-H) | 1 | 1 | 0,9 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0,9 |
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
-
Alkyl C-H confianza 0,95
“Explicit: 'C-H bending vibration at ... 961'.”
Zhai 等 - 2020 - Preparation, Characterization of Propargyl Termina DOI: 10.3390/polym12040748 -
Silicon-oxygen (Si-O) confianza 0,9
“Explicit assignment in snippet.”
Chen 等 - 2007 - Structural characterization and corrosion properti DOI: 10.4028/www.scientific.net/MSF.546-549.1111 -
confianza 0,9
“FTIR data show a stretch at 961.2 cm-1 in the range observed for anionic amide thiolate complexes.”
Francesconi 等 - 2004 - Preparation and characterization of [(TcO)-Tc-99] DOI: 10.1021/ic035473w -
Phosphate (PO4) confianza 0,9
“assigned to υ1”
Forero-Sossa 等 - 2021 - Temperature effect in physicochemical and bioactiv DOI: 10.1038/s41598-021-89776-2 -
Hydroxyl (O-H) confianza 0,9
“Text: '961 ... a hydroxyl'”
Liu 等 - 2022 - Effects of biochar pyrolysis temperature on therma DOI: 10.1039/d1ra09167k -
Phosphate (PO4) confianza 0,9
“Text: 'band at ca 961 cm in the Raman spectrum typical of PO4 3-'”
Lluveras-Tenorio 等 - 2019 - A multi-analytical characterization of artists' ca DOI: 10.1007/s10973-019-08522-z -
confianza 0,9
“Text: 'Bands at 961, 1041 and 1091 are of ... phosphate ions'”
Rodriguez-Lugo 等 - 2018 - Wet chemical synthesis of nanocrystalline hydroxya DOI: 10.1098/rsos.180962 -
C n single bond confianza 0,9
“Explicit assignment in text.”
Yerezhep 等 - 2023 - IR Spectroscopic Degradation Study of Thin Organom DOI: 10.3390/molecules28031288
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