What absorbs at 1282 cm⁻¹ in an FTIR spectrum?
A band near 1282 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
Possible functional-group assignments
| Functional group | Supporting facts | Cited sources | Top confidence |
|---|---|---|---|
| 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 |
Ranking reflects accumulated literature evidence, not a single authoritative rule. Always confirm against your sample context.
Literature behind these assignments
-
Boron nitrogen confidence 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) confidence 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 -
confidence 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 confidence 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 confidence 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) confidence 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
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