What absorbs at 1578 cm⁻¹ in an FTIR spectrum?
A band near 1578 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
Ugawaji unaowezekana wa vikundi vya kazi
| Kikundi cha kazi | Ukweli unaounga mkono | Vyanzo vilivyotajwa | Uaminifu wa juu |
|---|---|---|---|
| N h | 2 | 2 | 0.9 |
| Aromatic ring | 2 | 2 | 0.9 |
| Alkene (C=C) | 1 | 1 | 1.0 |
| C n single bond | 1 | 1 | 0.9 |
| Carbohydrate | 1 | 1 | 0.5 |
Cheo kinaonyesha ushahidi wa fasihi uliokusanywa, si sheria moja yenye mamlaka. Thibitisha kila mara dhidi ya mazingira ya sampuli yako.
Fasihi nyuma ya ugawaji huu
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Alkene (C=C) uaminifu 1.0
“2 (bottom) cm-1, bands were located at 1578 that the highest signal-to-noise ratio was found for a resulting from the cm-1, nominal resolution of 4 C=C stretching in chloroalkenes, at 1541, 1394, 1273 which also provided the cm-1,”
Armenta 等 - 2007 - Determination of iprodione in agrochemicals by inf DOI: 10.1007/s00216-007-1152-z -
Aromatic ring uaminifu 0.9
“Peak at 1578 cm-1 is for quinonoid ring deformation.”
Das 等 - 2014 - Supramolecular assembly of polythiophene-g-polymet DOI: 10.1039/c4ta01521e -
N h uaminifu 0.9
“Amino group band of chitosan molecule.”
Xu 等 - 2005 - Chitosan-starch composite film preparation and ch DOI: 10.1016/j.indcrop.2004.03.002 -
C n single bond uaminifu 0.9
“Text: 'polyamide characteristic peak at 1578 (C-N'”
Omir 等 - 2020 - Behaviour of Aquaporin Forward Osmosis Flat Sheet DOI: 10.3390/membranes10050108 -
Aromatic ring uaminifu 0.9
“Explicit assignment in table: 'C=C aromatic Stretching 1578'”
Yadav 和 Urade - 2019 - Formulation and Evaluation of Chitosan Based Trans DOI: 10.5530/ijper.53.1.12 -
N h uaminifu 0.9
“Explicit assignment in text.”
Yerezhep 等 - 2023 - IR Spectroscopic Degradation Study of Thin Organom DOI: 10.3390/molecules28031288 -
uaminifu 0.7
“Text: 'associated with the oxidation state of the polymer at 1578 and 1490 cm-1'”
Duc 等 - 2021 - Conductive Polymer Composites for Hydrogen Sulphid DOI: 10.3390/s21196529 -
Carbohydrate uaminifu 0.5
“Calcium vibration assigned to cellulose”
Pawlak-Kruczek 等 - 2020 - Biocoal - Quality control and assurance DOI: 10.1016/j.biombioe.2020.105509
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Pakia wigo wako wa FTIR na upate ripoti kamili ya tafsiri — ugawaji wa vilele na marejeleo ya fasihi, ulinganishaji wa maktaba, na mlolongo wa ushahidi wenye kiwango cha uaminifu — kwa sekunde.
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