What absorbs at 3195 cm⁻¹ in an FTIR spectrum?
A band near 3195 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 7 cited sources
Atribuiri posibile ale grupelor funcționale
| Grup funcțional | Fapte suport | Surse citate | Încredere maximă |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 3 | 1,0 |
| N h | 3 | 3 | 1,0 |
| Secondary amine | 2 | 2 | 1,0 |
| Ammonium | 1 | 1 | 1,0 |
| C=n | 1 | 1 | 1,0 |
| Water (H2O) | 1 | 0 | 0,9 |
Clasamentul reflectă dovezile acumulate din literatură, nu o singură regulă autoritară. Confirmați întotdeauna în contextul mostrei dvs.
Literatura din spatele acestor atribuiri
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N h încredere 1,0
“cm-1, aromatic stretch at 1658 OH stretch at 3345 and To investigate the diffusion coefficient of the hydrogels, a cm-1 NH stretch of amide at 3195 (Fig.”
Owonubi 等 - 2018 - Characterization and in vitro release kinetics of DOI: 10.1007/s40090-018-0139-2 -
Hydroxyl (O-H) încredere 1,0
“(1) Completely spectra:thesedonotshowdetectableOHabsorptionpeaksabovenoise.(2)Spectrawithdetectablediscrete 3596cm(cid:1)1 3371-3380, OH peaks: discrete peaks are observed at 3195, 3205, 3305, 3483, and with the most 3380cm(cid:1)1.”
Kilian 等 - 2016 - Dislocation creep of dry quartz DOI: 10.1002/2015JB012771 -
N h încredere 1,0
“In the spectrum of the CHXcm-1 cm-1 Bi complex, the stretching vibration bands at 3195 and 1625 corresponding cm-1 to the =NH and C=N groups, respectively, and the bending vibration band at 1520 corresponding to the secondary amino groups (”
Kowalczuk 等 - 2021 - Spectroscopic Study of the Molecular Structure of DOI: 10.3390/molecules26051442 -
Hydroxyl (O-H) încredere 1,0
“LLM confirmed rule peak-group candidate”
Structural diversity of cocrystals formed from acridine and two isomers of hydroxybenzaldehyde: 3-hydroxybenzaldehyde and 4-hydroxybenzaldehyde DOI: 10.1039/d3ra02300a -
Ammonium încredere 1,0
“cm-1 cm-1 the spectrum shows the presence of the bands at 3195 and at 3020 and 2820 that can be assigned to coordinated ammonia and to ammonium ions, respectively.”
Preparation, Characterization and Catalytic Activity of Nickel Molybdate (NiMoO4) Nanoparticles DOI: 10.3390/molecules23020273 -
Hydroxyl (O-H) încredere 1,0
“FT-IR spectra attained from green-synthesized nanoparticles of nutmeg (Figure 6) FT-IR spectra attained from green-synthesized nanoparticles of nutmeg (Figure 6) cm-1 revealed bands at 3194.92 corresponding to -OH stretching, proving the pr”
Phytosynthesis of Copper Nanoparticles Using Extracts of Spices and Their Antibacterial Properties DOI: 10.3390/pr9081341 -
încredere 0,7
“Same as above.”
Yang 等 - 2020 - Preparation of novel amphoteric polyacrylamide and DOI: 10.1515/epoly-2020-0026
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