What absorbs at 458 cm⁻¹ in an FTIR spectrum?
A band near 458 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 6 cited sources
Πιθανές αντιστοιχίσεις λειτουργικών ομάδων
| Λειτουργική ομάδα | Υποστηρικτικά δεδομένα | Αναφερόμενες πηγές | Κορυφαία εμπιστοσύνη |
|---|---|---|---|
| Lignin | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| C c single bond | 1 | 1 | 1,0 |
| C-S single bond | 1 | 1 | 1,0 |
| Metal oxygen | 1 | 1 | 1,0 |
Η κατάταξη αντικατοπτρίζει τα συσσωρευμένα βιβλιογραφικά στοιχεία, όχι έναν ενιαίο έγκυρο κανόνα. Πάντα να επιβεβαιώνετε με βάση το πλαίσιο του δείγματός σας.
Βιβλιογραφία πίσω από αυτές τις αντιστοιχίσεις
-
εμπιστοσύνη 1,0
“peaks at 458.5 and 464.8 eV, which correspond to and Published 10b.110 Ti, respectively in Fig.”
Photocatalytic and bactericidal properties and molecular docking analysis of TiO2 nanoparticles conjugated with Zr for environmental remediation DOI: 10.1039/d0ra05862a -
Metal oxygen εμπιστοσύνη 1,0
“The significant band at 458 absorption peaks by using Tauc relation [18, 19] which is a is the characteristic absorption band of Zn-O stretching (αhυ)2 (cm-1 eV)2.”
Manikandan 等 - 2018 - Properties of sol gel synthesized ZnO nanoparticle DOI: 10.1007/s10854-018-8981-8 -
εμπιστοσύνη 1,0
“Figure 6d shows the peaks of 458.5 eV and 464.2 eV, which correspond to Ti 2p3/2 and Ti”
Photocatalytic activity of ZrO2/TiO2/Fe3O4 ternary nanocomposite for the degradation of naproxen: characterization and optimization using response surface methodology DOI: 10.1038/s41598-022-14676-y -
C-S single bond εμπιστοσύνη 1,0
“small band at 458 Generally, the spectra show that, as the C/S ratio increases, the broad cm-1 band at around 940 not only becomes narrower but also shifts to higher wave numbers,”
Colovic 等 - 2013 - Creating of Highly Active Calcium-Silicate Phases DOI: 10.2298/SOS1303341C -
C c single bond εμπιστοσύνη 1,0
“Two more bands at 500.76 cm-1 and 458.22 cm-1 were assigned to the C-C bond and C-N bond finding is well aligned to the previous study by Anas et al.”
Fauzi 等 - 2020 - Nanostructured ChitosanMaghemite Composites Thin DOI: 10.3390/polym12071497 -
Lignin εμπιστοσύνη 1,0
“about 420 with a peak at 458 This high-temperature shoulder can be assigned to the end of an overlapping degradation process of lignin.”
Jambrekovic 等 - 2022 - Viscoelastic and Thermal Properties of Styrene Mod DOI: 10.3390/polym14040786
Έχετε φάσμα με αυτή τη ζώνη;
Ανεβάστε το φάσμα FTIR σας και λάβετε μια πλήρη αναφορά ερμηνείας — αντιστοιχίσεις κορυφών με βιβλιογραφικές αναφορές, αντιστοιχίσεις βιβλιοθήκης και μια αλυσίδα αποδείξεων με βαθμό εμπιστοσύνης — σε δευτερόλεπτα.
Ερμηνεύστε το φάσμα μου