What absorbs at 1527 cm⁻¹ in an FTIR spectrum?
A band near 1527 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 8 cited sources
Galimi funkcinių grupių priskyrimai
| Funkcinė grupė | Pagrindžiantys faktai | Cituoti šaltiniai | Aukščiausias pasitikėjimas |
|---|---|---|---|
| Amide | 11 | 11 | 1,0 |
| N h | 5 | 5 | 1,0 |
| Secondary amine | 3 | 3 | 1,0 |
| Alkene (C=C) | 3 | 3 | 1,0 |
| Hydroxyl (O-H) | 3 | 3 | 1,0 |
| C n single bond | 2 | 2 | 1,0 |
| Methacrylate | 2 | 2 | 1,0 |
| Acetate | 2 | 2 | 1,0 |
| Alkyl C-H | 2 | 2 | 1,0 |
| Sulfonate | 1 | 1 | 1,0 |
| Methyl | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
| Ketone | 1 | 1 | 1,0 |
| Ester | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
| Protein | 1 | 1 | 1,0 |
| Lignin | 1 | 1 | 1,0 |
| Phosphorus | 1 | 0 | 1,0 |
| Phosphate (PO4) | 1 | 0 | 1,0 |
Reitingavimas atspindi sukauptą literatūros įrodymų kiekį, o ne vieną autoritetingą taisyklę. Visada patvirtinkite pagal savo mėginio kontekstą.
Literatūra, kuria remiantis atlikti šie priskyrimai
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Alkene (C=C) pasitikėjimas 1,0
“RIP appeared in AgNPs coated transesterified coir with 0.1M AgNO 3, similarly weak bands at cm-1 cm-1 1557 along with medium bands at 1527 and 1505 appeared in AgNPs coated transesterified coir with 0.2 M AgNO due to C=C stretching of ligni”
Rout 等 - 2017 - A green approach to produce silver nano particles DOI: 10.1016/j.surfin.2017.03.004 -
pasitikėjimas 1,0
“The carboxamide and amine bands are observed 1527cm(cid:2)1, respectively.”
Proton conducting polymer electrolyte based on plasticized chitosan–PEO blend and application in electrochemical devices DOI: 10.1016/j.optmat.2013.03.004 -
Hydroxyl (O-H) pasitikėjimas 1,0
“1527cm-1 assigned to hydroxyl (-OH) groups before adsorption, and The amide (-NH) peak observed at 1528cm-1,”
Thabede 等 - 2021 - Magnetite Functionalized Nigella Sativa Seeds for DOI: 10.1155/2021/6655227 -
pasitikėjimas 1,0
“The spectrum in Figure 5b cm-1 corresponds with typical pristine gelatin fibers, with C=O stretching vibration appearing which determine the PL in the orange-red region, had been passivated during GNF@ZnO at 1664 cm-1, demonstrated by the a”
Babayevska 等 - 2021 - Fabrication of Gelatin-ZnO Nanofibers for Antibact DOI: 10.3390/ma14010103 -
Hydroxyl (O-H) pasitikėjimas 1,0
“At cm-1, 1527 a band was observed in the FTIR specC=C trum, it was attributed to the elongation of in phenolic groups.”
Optimal parameters and structural composition of bio-oil and biochar from intermediate pyrolysis of red algal biomass DOI: 10.5802/crchim.90 -
Amide pasitikėjimas 1,0
“LLM confirmed rule peak-group candidate”
Callone 等 - 2016 - Processing Influence on Molecular Assembling and S DOI: 10.1021/acsbiomaterials.5b00507 -
Alkyl C-H pasitikėjimas 1,0
“The peaks of MA at 2950.3 and 1526.6 cm-1 were due to C-H stretching vibration and C=O after copolymerization.”
Development of Biodegradable Agar-Agar/Gelatin-Based Superabsorbent Hydrogel as an Efficient Moisture-Retaining Agent DOI: 10.3390/biom10060939 -
Amide pasitikėjimas 1,0
“A new absorption cm-1, peak emerged at 1527 attributed to the stretching vibration of C-N and bending cm-1 cm-1 vibrationof NH 3, NO [55].”
Chen 等 - 2021 - Synthesis of Novel Arginine-Based Flame Retardant DOI: 10.3390/molecules26123588
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