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
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Carboxyl (COOH) | 2 | 2 | 1.0 |
| Amide | 2 | 2 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.9 |
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
-
Carboxyl (COOH) 置信度 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 置信度 0.9
“Explicit: 'Amide II 1554 cm-1 to 1564'”
Raghav 等 - 2017 - Nonenzymatic glycosylation of human serum albumin DOI: 10.1371/journal. -
Amide 置信度 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) 置信度 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) 置信度 0.9
“Assigned to ν_as(COO-)”
Rudzka 等 - 2008 - A Trinuclear Nickel(II) Enediolate Complex Synthe DOI: 10.1021/ic800947z. -
置信度 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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