What absorbs at 1554 cm⁻¹ in an FTIR spectrum?
A band near 1554 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 6 cited sources
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| Carboxyl (COOH) | 2 | 2 | 1,0 |
| Amide | 2 | 2 | 0,9 |
| Carbonyl (C=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
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Carboxyl (COOH) confianza 1,0
“While in cobalt stearate, the absorption peak at wave number of 1554 cm-1indicate the presence of asymmetric vibrations of carboxylate groups absorption peak at the wave numbers of 3000”
Asriza 和 Arcana - 2015 - SYNTHESIS OF COBALT STEARATE AS OXIDANT ADDITIVE F DOI: 10.1063/1.4930711 -
Amide confianza 0,9
“Explicit: 'Amide II 1554 cm-1 to 1564'”
Raghav 等 - 2017 - Nonenzymatic glycosylation of human serum albumin DOI: 10.1371/journal. -
Amide confianza 0,9
“Amide II band at 1554 cm-1.”
van Thor 等 - 2005 - Assignments of the Pfr-Pr FTIR difference spectrum DOI: 10.1021/jp052323t -
Carbonyl (C=O) confianza 0,9
“Characteristic absorption at 1554 cm-1 for CFT molecules.”
Kawish 等 - 2020 - Enhancement in Oral Absorption of Ceftriaxone by H DOI: 10.3390/pharmaceutics12060492 -
Carboxyl (COOH) confianza 0,9
“Assigned to ν_as(COO-)”
Rudzka 等 - 2008 - A Trinuclear Nickel(II) Enediolate Complex Synthe DOI: 10.1021/ic800947z. -
confianza 0,9
“Explicit assignment in text”
Wang 等 - 2019 - A Facile Synthesis of Core-Shell SiO2@Cu-LBMS Nano DOI: 10.3390/ma12233978
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