What absorbs at 719 cm⁻¹ in an FTIR spectrum?
Et bånd nær 719 cm⁻¹ kan peke på flere funksjonelle grupper. Nedenfor er de mest sannsynlige tildelingene, rangert etter hvor mye publiserte bevis som støtter hver — hver enkelt sporbar til litteratur (DOI) og kryssvalidert mot våre 130 000+ referansespektre og kunnskapsgraf.
Backed by 8 cited sources
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Alkyl C-H | 7 | 7 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
-
Alkyl C-H konfidens 1.0
“In particular, for PE at 710 and 719 cm-1 (-CH2 rocking deformation), 2847 and 2915 cm-1 (- symmetric and asymmetric stretching), 1462 and 1472 cm-1 (-CH=CHstretching) CH2 [36].”
Campanale 等 - 2023 - Fourier Transform Infrared Spectroscopy to Assess DOI: 10.3390/polym15040911 -
Alkyl C-H konfidens 1.0
“The peak at 3005 attributes to the stretching vibrations of C-H in cm-1 H-C=C and the peak at 718.8 corresponds to out-of-plane bending vibrations of ACCEPTED”
Liang 等 - 2017 - Thermo-stability and aging performance of modified DOI: 10.1016/j.matdes.2017.04.060 -
Alkyl C-H konfidens 1.0
“1356cm(cid:1)1 1468 and correspond to scissoring vibration of the 729cm1 methylene group, while weak peaks at 719 and can be ascribed to rocking vibration of methylene group.”
Olajire 和 Mohammed - 2020 - Green synthesis of nickel oxide nanoparticles and DOI: 10.1016/j.apt.2019.10.012 -
Alkyl C-H konfidens 1.0
“The peaks at 719 cm-1 can be assigned to both CH2 rocking cm-1”
Walnut Oil Oleogels as Milk Fat Replacing System for Commercially Available Chocolate Butter DOI: 10.3390/gels8100613 -
Alkyl C-H konfidens 1.0
“FTIR bands at 719 is associated with CH rocking 2 The results of measured total birefringence and the one mode of amorphous trans sequences of four or more cmK1 calculated from the crystalline axes orientation factors sequences, 1303 to CH”
Biaxial orientation in HDPE films : Comparison of infrared spectroscopy, X-ray pole figures and birefringence techniques DOI: 10.1016/j.polymer.2005.03.002 -
Alkyl C-H konfidens 1.0
“719.71cm-1 to and to beeswax combination increased with increasing amounts of 718.71cm-1 which corresponds to C-H (CH 2), C-H (CH 3) beeswax, which is as expected due to the hardening effect of -C�O stretching vibrations, stretching vibrati”
Bartels 等 - 2021 - Formulation of Suppositories of Alum Produced from DOI: 10.1155/2021/6667562 -
Hydroxyl (O-H) konfidens 1.0
“cm-1 (Figure 7C), 2847 (-CH symmetric stretching) (Figure 7C), 1462 (-CH bending cm-1 cm-1 deformation) (Figure 7E), 1375 (-O-H stretching), and 719 (rocking vibrational mode of -CH 2) (Figure 7G).”
Gong 等 - 2023 - Biodegradation of Low Density Polyethylene by the DOI: 10.3390/jof9060605 -
Alkyl C-H konfidens 1.0
“The production and packaging of LDPE, the peak wavelength at represents the CH bend, 3 730cm-1, 719cm-1 717cm-1”
Hossain 等 - 2023 - First evidence of microplastics and their characte DOI: 10.3389/fenvs.2023.1232931
Har du et spektrum med denne bånden?
Last opp FTIR-spektrumet ditt og få en full tolkningsrapport — topptilordninger med litteraturhenvisninger, bibliotekssøk og en konfidensvurdert beviskjede — på sekunder.
Tolk spektrumet mitt