What absorbs at 744 cm⁻¹ in an FTIR spectrum?
Et bånd nær 744 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 6 cited sources
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Ring structure | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Metal oxygen | 1 | 1 | 1.0 |
| Carbonate | 1 | 1 | 1.0 |
| Silicon silicon | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 1.0 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
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Phosphate (PO4) konfidens 1.0
“LLM confirmed rule peak-group candidate”
Structural and morphological characterization of Pr3+ and Er3+-containing SiO2–P2O5 sol–gel thin films DOI: 10.1016/j.matchemphys.2011.10.031 -
Silicon silicon konfidens 1.0
“The peaks at 1139.24 cm-1 and 1095.99 cm-1 are assigned to stretching vibration of Si-O, the peaks at 1031.25 cm-1 and 1008.16 cm-1 are assigned to stretching vibration of Si(Al)-O, the peaks at 787.56 cm-1 and 761.71 cm-1 are assigned to s”
Effects and Mechanism of Fe3+ on Flotation Separation of Feldspar and Epidote with Sodium Oleate at Natural pH DOI: 10.3390/separations9050110 -
Carbonate konfidens 1.0
“The ν4 in-plane bending mode at 713 cm-1 and 744 cm-1 are assigned to calcite and vaterite, respectively,”
Investigating the Potential of the Er:YAG Laser for the Removal of Cemented Dust from Limestone and Painted Plaster DOI: 10.3390/coatings10111099 -
konfidens 1.0
“Peaks at 744 and 460 are due to external tetrahedral cm-1 Zn-O22,23.”
Mesoporous ZnAl2Si10O24 nanofertilizers enable high yield of Oryza sativa L. DOI: 10.1038/s41598-020-67611-4 -
Alkyl C-H konfidens 1.0
“FTIR spectra shown in Figure 9 reveal peaks of C=C bending at 684 cm-1, C-H bending at 744 cm-1, C-H bending at 818 cm-1, C-H bending at 872 cm-1, C-N stretching aromatic amine at 1261 cm-1, C-C stretching aromatic ring at 1493 cm-1, C=C st”
Synthesis of a Polyaniline Nanoparticle Using a Solution Plasma Process with an Ar Gas Bubble Channel DOI: 10.3390/polym11010105 -
Ring structure konfidens 1.0
“The FTIR spectra of faujasite zeolite samples contain two bans, the symmetric stretching cm-1 cm-1 band at 744 and double six ring vibration at 566 thus confirming the crystalline nature of the samples.”
Effect of sodium concentration on the synthesis of faujasite by two-step synthesis procedure DOI: 10.1007/s40242-021-1292-2
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