What absorbs at 554 cm⁻¹ in an FTIR spectrum?
A band near 554 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
Gán nhóm chức có thể
| Nhóm chức | Sự kiện hỗ trợ | Nguồn tham khảo | Độ tin cậy cao nhất |
|---|---|---|---|
| Metal oxygen | 4 | 4 | 1,0 |
| Chlorine | 1 | 1 | 1,0 |
| Carbohydrate | 1 | 1 | 1,0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
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Tài liệu tham khảo đằng sau các gán này
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Hydroxyl (O-H) độ tin cậy 1,0
“Shoulder ≈ 3340 (oxidization) Absent ≈3400 (OH-stretching) spectra/cm-1 554, 641, 1475, 3020 745, 718, 697 Raman”
Differentiation between copal and amber by their structure and thermal behaviour DOI: 10.1007/s10973-023-12333-8 -
Metal oxygen độ tin cậy 1,0
“cm1 and 554.12 show the stretching vibration of SiNanomater:1-15 O-Si which corresponds to the metal oxide bond.”
Haque 等 - 2018 - Effect of Different Acids and Solvents on Optical DOI: 10.1007/s12633-016-9464-2 -
độ tin cậy 1,0
“4 cm-1 cm-1 are new bands 554 and 421 which are corresponded to Zn-O bonds intrinsic stretching vibration of tetrahedral sites and Fe-O bonds in octahedral sites, respectively [30].”
Ramadan 和 Ismail - 2022 - Tunning the Physical Properties of PVDFPVCZinc F DOI: 10.21203/rs.3.rs-935328/v1 -
độ tin cậy 1,0
“552 The characteristic signals of the CH stretching were detected at around 2875 The peaks cm-1 553 at around 1630, 1550, and 1450 were attributed to C=O stretching (amide I), N-H bending 554 (amide II) and C-CH distorting vibration, respec”
Effect of glucose-induced Maillard reaction on physical, structural and antioxidant properties of chitosan derivatives-based films DOI: 10.1016/j.carbpol.2020.117341 -
độ tin cậy 1,0
“two bands observed at 1089 and 789 are assigned to the bending vibrations of Si-O-Si The cm-1 cm-1 two absorption bands at 554 and 461 are related to the F-O bond's bending mode existing in the two 442.”
Superhydrophobic magnetic sorbent via surface modification of banded iron formation for oily water treatment DOI: 10.1038/s41598-022-15187-6 -
Carbohydrate độ tin cậy 1,0
“Both the glucose absorption sorbance in the CrCl3/[BMIM]Cl/glucose peak at 554 cm-1 system with time, and the Pt-Cl stretch vibration band at near and with concomitant change in V-O bond FIR absorbance.”
Li 和 Zhang - 2016 - Far reaching potentials of far infrared spectrosco DOI: 10.1016/S1872-2067(15)61087-7 -
Metal oxygen độ tin cậy 0,9
“Explicit assignment in text: 'high-frequency peak observed at 554 cm-1 belonging to Fe-O bending'”
Influence of Ho3+ substitution on structural and magnetic properties of Mg–Mn ferrites DOI: 10.1007/s10854-021-05547-9 -
độ tin cậy 0,9
“Symmetrical pulse vibration at 554 cm-1.”
Selectively Producing Acetic Acid via Boric Acid-Catalyzed Fast Pyrolysis of Woody Biomass DOI: 10.3390/catal11040494
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