What absorbs at 2362 cm⁻¹ in an FTIR spectrum?
A band near 2362 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
Ateb cyflym
A band near 2362 cm⁻¹ is usually interpreted by checking which functional groups repeatedly co-occur there in the literature, then confirming at least one or two additional peaks in the same sample. This page ranks those assignments by accumulated evidence rather than by a single fixed textbook rule.
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Methoxy (OCH3) | 5 | 5 | 1.0 |
| Methacrylate | 5 | 5 | 1.0 |
| C-O single bond | 5 | 5 | 1.0 |
| Acetate | 5 | 5 | 1.0 |
| C#c | 1 | 1 | 1.0 |
| N h | 1 | 1 | 1.0 |
| Carbon dioxide | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 0 | 1.0 |
Mae＇r safle＇n adlewyrchu tystiolaeth llenyddiaeth gronnwyd, nid rheol awdurdodol sengl. Cadarnhewch bob amser yn erbyn eich cyd-destun sampl.
Deunyddiau posibl
| Deunydd | Copaon ategol | Grwpiau sy＇n gorgyffwrdd | Ffynonellau a ddyfynnwyd |
|---|---|---|---|
| MWCNTs | 2362, 3396, 1735 | Methacrylate, Acetate, C-O single bond | 1 |
Mae deunyddiau＇n cael eu dangos dim ond pan fydd yr un gronfa lenyddiaeth yn cefnogi＇r band hwn ac o leiaf un brig nodweddiadol ychwanegol.
Rhesymeg sbectrwm
This band becomes meaningful only when read with its neighboring peaks. In practice, analysts first look at the assignments above, then check whether the same sample also shows other peaks expected for the same structural motif. A lone band near 2362 cm⁻¹ is usually not enough for material identification by itself.
Defnydd yn y byd go iawn
Mae＇r math hwn o ymholiad yn gyffredin mewn adnabod polymer, sgrinio plastig anhysbys, datrys problemau QC, dilysu deunydd wedi＇i ailgylchu, ac adolygiad o aseiniad copa wedi＇i gefnogi gan lenyddiaeth.
Camgymeriadau cyffredin
- Trin un band ynysig fel prawf o ddeunydd heb wirio o leiaf un neu ddau gopa cefnogol.
- Anwybyddu gorgyffwrdd: gall grwpiau swyddogaethol lluosog gyfrannu ger yr un rhif ton.
- Hepgor dilysu pan fo ychwanegion, cymysgeddau, ocsideiddio, neu halogiad yn gallu ystumio＇r sbectrwm.
Cyngor dilysu
Pan fo amwysedd yn parhau, dilyswch y rhagdybiaeth gyda DSC, GC-MS, neu TGA, yn enwedig ar gyfer cymysgeddau, samplau dirywiedig, a pholymerau llawn.
Llenyddiaeth y tu ôl i＇r aseiniadau hyn
-
Acetate hyder 1.0
“3095 C-H stretching 2930 ± 10/2853 ± 10 2924-2860 2925-2852 2926-2852 2926-2858 2927-2860 C-H stretching 2362 ± 5 C-O stretching (of succinate) 1735 - 1700”
Differentiation between copal and amber by their structure and thermal behaviour DOI: 10.1007/s10973-023-12333-8 -
Acetate hyder 1.0
“The cm(cid:2)1 due to the decomposition of nanotubes [22-24] taking place peak at 2362 corresponds to the C-O bonds and the cm(cid:2)1”
Misra 等 - 2006 - FTIR studies of nitrogen doped carbon nanotubes DOI: 10.1016/j.diamond.2005.08.013 -
Acetate hyder 1.0
“The increase in the I(D)/I(G) ratio as apparent.18 cm-1 The peak at 2362 corresponds to the a function of N concentration is attributed to bong angle cm-1 C-O bonds and the features between 2851-2925 are and bond length disorder induced by”
FTIR Spectroscopy of Multiwalled Carbon Nanotubes: A Simple Approachto Study the Nitrogen Doping DOI: 10.1166/jnn.2007.723 -
Acetate hyder 1.0
“The strong absorption peak cm-1 cm-1 at 1065 was due to the C-O-C bond of the fabric and the obvious peak at 2362 cm-1 was attributed to the shrinkage vibration peak of CO [41,48].”
Chen 等 - 2021 - Synthesis of Novel Arginine-Based Flame Retardant DOI: 10.3390/molecules26123588 -
Carbon dioxide hyder 1.0
“C=N 1647 Imine Medium stretching O=C=O 2362 Carbon dioxide Strong stretching C-H 2943 Alkane Medium stretching”
Development and characterization of natural sourced bioplastic for food packaging applications DOI: 10.1016/j.heliyon.2023.e13538 -
Acetate hyder 1.0
“The C-O stretching at 2361.9 and 2349.3 was”
Pimenidou 和 Dupont - 2012 - Characterisation of palm empty fruit bunch (PEFB) DOI: 10.1016/j.biortech.2012.01.020 -
hyder 1.0
“The sharp peak at 2362 is attributed to the N-H group, which is generated ������� �������� ������ ������ 44.65o 54.67o.”
Sampath 等 - 2022 - Synthesis of polyethylene glycol-grafted graphite DOI: 10.4038/jnsfsr.v50i4.10902 -
C#c hyder 1.0
“A strong peak at 2362 cm-1 observed in the triplebond region indicates the absorption band of C≡C.”
Analysis of Carbon Formation on Machined Leather Specimen Using FTIR Technique in Laser Diode Assisted Cutting Process DOI: 10.3390/ma16010148
Oes gennych sbectrwm gyda＇r band hwn?
Llwythwch eich sbectrwm FTIR i fyny a chael adroddiad dehongli llawn — aseiniadau brig gyda chyfeiriadau llenyddiaeth, cyfateb llyfrgell, a chadwyn dystiolaeth â gradd hyder — mewn eiliadau.