What absorbs at 721 cm⁻¹ in an FTIR spectrum?
A band near 721 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
Olası fonksiyonel grup atamaları
| Fonksiyonel grup | Destekleyici gerçekler | Atıf yapılan kaynaklar | En yüksek güven |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 0,9 |
| N h | 1 | 1 | 1,0 |
| Nucleic acid | 1 | 1 | 0,8 |
Sıralama, tek bir otoriter kural değil, birikmiş literatür kanıtını yansıtır. Her zaman numune bağlamınıza göre onaylayın.
Bu atamaların arkasındaki literatür
-
N h güven 1,0
“Other less intense bands are those located 721cm-1 The effects of the number of accumulated scans and that at 1359, 1240, 984, 839 and due to NH in-plane of the nominal resolution employed for FT-Raman data bending, CH bending, cyclopropyl”
Armenta 等 - 2004 - Determination of cyromazine in pesticide commercia DOI: 10.1016/j.aca.2004.02.063 -
güven 1,0
“Explicit assignment: 'band intensity at 721 ... (C-C chain vibration)'”
Torquato 等 - 2020 - Kinetic Parameters of the Thermal Oxidation and De DOI: 10.21577/0103-5053.20200087 -
güven 0,9
“Absorption peak at 721 cm-1 assigned to deformation vibration of ortho-substituted phenyl ring.”
Maulidna 等 - 2020 - Microencapsulation of ginger-based essential oil ( DOI: 10.1016/j.csite.2020.100606 -
Alkyl C-H güven 0,9
“bending vibration of C-H”
Luan 等 - 2018 - Antioxidant Activity and Antifungal Activity of Ch DOI: 10.3390/polym10040395 -
Alkyl C-H güven 0,9
“Explicit: 'methylene group at ... 721 (rocking vibrations)'”
Matwijczuk 等 - 2018 - Spectroscopic studies of the quality of WCO (Waste DOI: 10.1051/bioconf/20181002019 -
Alkyl C-H güven 0,9
“Explicit assignment”
Peng 等 - 2017 - INFLUENCE OF FFL-13 OIL ON PSA STAPLE FIBER PROPER DOI: 10.1515/aut-2016-0032 -
güven 0,8
“Text: 'vibration of -HC=CH- group of disubstituted olefins' associated with 721 cm-1.”
Lamas 等 - 2021 - Fourier transform infrared spectroscopy-chemometri DOI: 10.1007/s00217-021-03809-8 -
Nucleic acid güven 0,8
“Explicit assignment: 'O-P-O stretching of DNA (721-...)'”
Medipally 等 - 2020 - Vibrational spectroscopy of liquid biopsies for pr DOI: 10.1177/1758835920918499
Bu banda sahip bir spektrumunuz mu var?
FTIR spektrumunuzu yükleyin ve saniyeler içinde tam bir yorum raporu alın — literatür atıfları, kütüphane eşleşmeleri ve güven dereceli bir kanıt zinciri ile tepe atamaları.
Spektrumumu yorumla