What absorbs at 1282 cm⁻¹ in an FTIR spectrum?
Una banda cerca de 1282 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 7 cited sources
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| Carbon dioxide | 1 | 1 | 1,0 |
| Sulfate (SO4) | 1 | 1 | 1,0 |
| C c single bond | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Boron nitrogen | 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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Boron nitrogen confianza 1,0
“=𝜇(1282cm-1)/𝜇(2120cm-1) × 5.5 × 16.5, out h-BN additive displayed typical yellow due to the 𝜇(1130cm-1), 𝜇(1282cm-1) 𝜇(2120cm-1) involvement of nitrogen impurities, which is inevitable where and 2120cm-1, in the synthesis cell.”
B–C Bond in Diamond Single Crystal Synthesized with h-BN Additive at High Pressure and High Temperature DOI: 10.1088/0256-307X/33/2/028101 -
Hydroxyl (O-H) confianza 1,0
“acids.39,40 are completely saturated with the adsorbed U or Pu bearing unionized carboxylic In addition, the intensity of the cm(cid:3)1 11/2/2023 moietiesseparatedattheendofthesorptionprocessesfromthe broad band at 1282 is enhanced mainly”
High effectiveness of pure polydopamine in extraction of uranium and plutonium from groundwater and seawater DOI: 10.1039/c9ra06392g -
confianza 1,0
“tain the 1344 cm-1 single nitrogen absorptions, together with the 1282 cm-1 A-aggregate (Figure 3).”
Cai 等 - 2021 - Microdiamonds in Alkalic Dolerites from the North DOI: 10.3390/cryst11111325 -
Alkyl C-H confianza 1,0
“in wavenumber in the IR spectrum for the mixture of caffeine with cellulose (1282 C-H This band may show a movement of bending vibrations in cellulose or vibrations υ in the (CH 3) bond plane in the caffeine ring [42].”
Kwasniewska-Sip 等 - 2021 - Chemical Changes of Wood Treated with Caffeine DOI: 10.3390/ma14030497 -
C c single bond confianza 1,0
“The band at 1630 cm-1 is attributed to the stretching vibration cm-1 carbonyl groups, while the peak at 1282 belongs to the C-C bond.”
Morowvat 等 - 2023 - Biosynthesis and Antimicrobial Evaluation of Zinc DOI: 10.3390/ma16020842 -
Sulfate (SO4) confianza 1,0
“Further, this reaction cm-1are other peaks observed at 1282, 984 and 623 has encouraged a shift in the bicarbonate equilibrium and a assigned to SO 4, CaCO and CO 4, respectively.”
Narenkumar 等 - 2017 - Role of calcium-depositing bacteria Agrobacterium DOI: 10.1007/s13205-017-1007-z -
Carbon dioxide confianza 1,0
“B3LYP/6-31+G** NMR spectroscopy, at CO loadings of 0.2-0.8 mol CO 2/mol The calculations assigned PZ-n to N(cid:2)COO(cid:2) 2 amine.[20,21] cm(cid:2)1 MP2/6-31+G** a single band at 1282 (no scaling), while 2333 www.chemphyschem.org ChemPhy”
An ATRFTIR Study on the Effect of Molecular Structural Variations on the CO2 Absorption Characteristics of Heterocyclic Amines, Part II DOI: 10.1002/cphc.201200066
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