What absorbs at 877 cm⁻¹ in an FTIR spectrum?
A band near 877 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 |
|---|---|---|---|
| Alkyl C-H | 3 | 2 | 1,0 |
| C-O single bond | 2 | 2 | 1,0 |
| Carbonate | 2 | 2 | 1,0 |
| Carbonyl (C=O) | 2 | 1 | 1,0 |
| Methacrylate | 2 | 1 | 1,0 |
| Acetate | 2 | 1 | 1,0 |
| Borate | 1 | 1 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 1,0 |
| C c single bond | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
| Carbohydrate | 1 | 1 | 1,0 |
| Metal oxygen | 1 | 1 | 0,9 |
| Ketone | 1 | 0 | 1,0 |
| Ester | 1 | 0 | 1,0 |
| Carboxyl (COOH) | 1 | 0 | 1,0 |
| Amide | 1 | 0 | 1,0 |
Xếp hạng phản ánh bằng chứng tài liệu tích lũy, không phải một quy tắc duy nhất có thẩm quyền. Luôn xác nhận với ngữ cảnh mẫu của bạn.
Tài liệu tham khảo đằng sau các gán này
-
Carbohydrate độ tin cậy 1,0
“cm-1 877cm-1 are attributed to β-glycosidic bond.”
Liu 等 - 2006 - A study of the mushrooms of boletes by Fourier tra DOI: 10.1117/12.667136 -
độ tin cậy 1,0
“α-Phase are 877”
Abdullah 等 - 2014 - Effect of annealing process on the phase formation DOI: 10.1063/1.4895187 -
Carbonate độ tin cậy 1,0
“with the carbonate band at ~877 particles has a cooling The absorption signals further importance to notice that CaSO”
Askar 等 - 2022 - Chemical Composition, Optical Properties and Sourc DOI: 10.3389/fenvs.2022.929449 -
Alkyl C-H độ tin cậy 1,0
“A group of bands could be observed at 877 cm-1, 815 cm-1 and 750 cm-1, where the cm-1, cm-1 cm-1, bending vibration of C-H in the aromatic rings was characteristic [30].”
Fabrication of Glass Fiber Reinforced Composites Based on Bio-Oil Phenol Formaldehyde Resin DOI: 10.3390/ma9110886 -
Acetate độ tin cậy 1,0
“at corresponding to C-O-C asymmetric stretching frequency also was observed due to interaction of alumina 1132.521060.75 664.13 739.68 877cm-1 3309.68 Absorbance 3114.34 (b)”
El-Naggar - 2013 - Characterization of Modified and Polymer Coated Al DOI: 10.1155/2013/706960 -
C c single bond độ tin cậy 1,0
“The band at 1067 would be due to Ccm-1 O stretching vibration and the band at 877 would be related to C-C stretching vibration [19].”
Oliveira 等 - 2016 - FTIR analysis and quantification of phenols and fl DOI: 10.1590/S1517-707620160003.0072 -
độ tin cậy 1,0
“The band at 877 could also be caused by vibration stretching CH 1,8-Cineole (Schulz et al.”
Rahmawati 等 - 2020 - Isolation and Identification of Fungi Inhabiting R DOI: 10.1002/bit.260230921 -
Carbonyl (C=O) độ tin cậy 1,0
“cm-1 cm-1 ester appears at 1100 and 1305 A strong band at 1724 and a weak broad band at 877 are respectively assigned to the carbonyl and epoxy that obviously indicates a different environment in”
Salehabadi 等 - 2014 - Effect of Organo-Modified Nanoclay on the Thermal DOI: 10.3390/ma7064508
Có phổ với dải này không?
Tải lên phổ FTIR của bạn và nhận báo cáo diễn giải đầy đủ — gán đỉnh với tài liệu tham khảo, kết quả so khớp thư viện và chuỗi bằng chứng xếp hạng độ tin cậy — trong vài giây.
Diễn giải phổ của tôi