What absorbs at 905 cm⁻¹ in an FTIR spectrum?
A band near 905 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 |
|---|---|---|---|
| Oxygen heterocycle | 3 | 3 | 1,0 |
| N h | 2 | 2 | 1,0 |
| Aromatic ring | 2 | 2 | 1,0 |
| Alkyl C-H | 2 | 2 | 1,0 |
| Ring structure | 2 | 2 | 1,0 |
| Silicon (Si) | 2 | 2 | 1,0 |
| Silicon hydride | 1 | 1 | 1,0 |
| Imide | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| C-O single bond | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
| Carbohydrate | 1 | 1 | 1,0 |
| Amine primary | 1 | 1 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| C n single bond | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1,0 |
| Thiol | 1 | 1 | 1,0 |
| C-S single bond | 1 | 1 | 1,0 |
| Alkene (C=C) | 1 | 1 | 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
-
độ tin cậy 1,0
“Explicit assignment: 'chain scission (905'”
Biodegradation of Unpretreated Low-Density Polyethylene (LDPE) by Stenotrophomonas sp. and Achromobacter sp., Isolated From Waste Dumpsite and Drilling Fluid DOI: 10.3389/fmicb.2020.603210 -
C-S single bond độ tin cậy 1,0
“The formation of C-S-H gel is denoted by a progressive shift in the O-Si-O stretching vibrations from 905 to cm-1 29Si 995 in the FTIR spectrum during 1 week.”
The Application of 29Si NMR Spectroscopy to the Analysis of Calcium Silicate-Based Cement using Biodentine™ as an Example DOI: 10.3390/jfb10020025 -
độ tin cậy 1,0
“S2 of the supplemented file, and the lattice of S1000 expands compared to S600 and S800, the peak at 905 K is related not to the oxygen absorption into the particle but to the oxygen redistribution from the absorbed oxygen to the”
Control of magnetic properties and band gap by Co/Mn ordering and oxygen distributions of La2CoMnO6 DOI: 10.1016/j.jmmm.2017.03.040 -
Oxygen heterocycle độ tin cậy 1,0
“LLM confirmed rule peak-group candidate”
Radzir 等 - 2015 - Effect of lithium bis(trifluoromethylsulfonyl)imid DOI: 10.1007/s10008-015-2910-z -
Amide độ tin cậy 1,0
“The weak to medium vibrational bands at 1045 and 1264cm-1 sharpandintensebandsat722,946,1154,1366,and1414cm-1 can be assigned to C-N stretching from 1200 to , 905cm-1 rocking from TETS/HEXS, and the shoulder at and CH2”
Dernaika 等 - 2014 - Spectroscopic Identification of Neurotoxin Tetrame DOI: 10.1155/2014/207258 -
Amine primary độ tin cậy 1,0
“cm(cid:0) C-O N-H 1 1130 (stretching C-OH in primary alcohol and stretching (corresponding to bending vibration in secondary amine and/or cm(cid:0) 1 -OH 1074-1061 - (secondary stretching), 905 from ester group), primary amine band in plane”
Functionalization of poly(glycidylmethacrylate) with iminodiacetate and imino phosphonate groups for enhanced sorption of neodymium - sorption performance and molecular modeling DOI: 10.1016/j.reactfunctpolym.2022.105389 -
Ring structure độ tin cậy 1,0
“The cm-1 absorption peak at 905 represents the vibration of C1-H group and the ring and is a characteristic peak of b-glucosidic bond of glucose.”
Hu 等 - 2021 - Pyrolytic Characteristics and Kinetics of Guanzhon DOI: 10.1016/j.fuel.2014.01.014 -
Alkene (C=C) độ tin cậy 1,0
“The band with the maximum at ~905 present in both oil samples cis-substituted can be attributed to the stretching vibrations of olefin groups, which may be additionally enhanced by the vibrations of the vinyl group.”
Comparative Analysis of Phytochemicals and Antioxidant Properties of Borage Oil (Borago officinalis L.) and Milk Thistle (Silybum marianum Gaertn) DOI: 10.3390/app13042560
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