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 7 cited sources
Gán nhóm chức có thể
| Nhóm chức | Sự kiện hỗ trợ | Nguồn tham khảo | Độ tin cậy cao nhất |
|---|---|---|---|
| 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 |
Xếp hạng phản ánh bằng chứng tài liệu tích lũy, không phải một quy tắc duy nhất có thẩm quyền. Luôn xác nhận với ngữ cảnh mẫu của bạn.
Tài liệu tham khảo đằng sau các gán này
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Boron nitrogen độ tin cậy 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) độ tin cậy 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 -
độ tin cậy 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 độ tin cậy 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 độ tin cậy 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) độ tin cậy 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 độ tin cậy 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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