What absorbs at 988 cm⁻¹ in an FTIR spectrum?
A band near 988 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 |
|---|---|---|---|
| Phosphate (PO4) | 2 | 2 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Nucleic acid | 1 | 1 | 1,0 |
| Alkene (C=C) | 1 | 1 | 1,0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1,0 |
| Silicon-oxygen (Si-O) | 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 |
| Alkyl C-H | 1 | 1 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| C n single bond | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Metal oxygen | 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
-
Metal oxygen độ tin cậy 1,0
“around 988 - 1050 These bands are assigned to the stretching vibration of Yb-O [7].”
Hamzah 等 - 2012 - Chemical Durability of Yb doped Lead Tellurite Gla DOI: 10.4028/www.scientific.net/AMR.501.81 -
Hydroxyl (O-H) độ tin cậy 1,0
“The PtNPs/GNs/PG electrode showed bands at 988 cm-1, 1290 cm-1, 1632 cm-1 and 3222 cm-1, which confirms O-H bonding, C-N stretching and N-H, as well as CThebareelectrodestudiedbySEMshowsnodeposition(Figure6A)ontoPGE,whereas cm-1, which was”
An Amperometric Acetylcholine Biosensor Based on Co-Immobilization of Enzyme Nanoparticles onto Nanocomposite DOI: 10.3390/bios13030386 -
Alkyl C-H độ tin cậy 1,0
“cm-1, the C-H stretching vibration at 2942 cm-1, C-H bending vibrations at 1428 cm-1, and cm-1, cm-1, cm-1, 3322 the C-H stretching vibration at 2942 C-H bending vibrations at 1428 C-O-C stretching vibrations at 1049 cm-1, 988 cm-1, and 908”
Structural Analysis of Oxidized Sucrose and Its Application as a Crease-Resistant Crosslinking Agent DOI: 10.3390/polym14142842 -
độ tin cậy 1,0
“As principais bandas apresentadas são: banda característica de ligações Si-O-Si em 988 cm-1, cm-1, em 795 banda característica da camada octaédrica;”
Fernandes 等 - 2018 - Membranes of polysulfoneclay influence of differ DOI: 10.1590/S1517-707620170001.0317 -
Alkene (C=C) độ tin cậy 1,0
“Regarding cm-1 the 988 signals, this band disappeared overlapped by the trans double bond band (at”
Chemometric comparison of almond oxidation rates using kinetic parameters obtained by infrared spectroscopy DOI: 10.1002/jsfa.10513 -
Phosphate (PO4) độ tin cậy 1,0
“Moreover, in the samples synthesized from the phosphorylated polyols new bands could cm-1 cm-1 be identified at 1269 (P=O stretching vibration), 988 (P-O stretching vibration)”
Bio-Based Phosphate-Containing Polyester for Improvement of Fire Reaction in Wooden Particleboard DOI: 10.3390/polym15051093 -
Phosphate (PO4) độ tin cậy 1,0
“The peak at 1271.95 cm-1 could be ascribed to the stretching vibration of P=O, while the peak at cm-1 The peak at 1271.95 could be ascribed to the stretching vibration of P=O, while the peak at 987.74 cm-1 could be assigned to the vibration”
Synthesis of Phosphated K-Carrageenan and Its Application for Flame-Retardant Waterborne Epoxy DOI: 10.3390/polym10111268 -
Nucleic acid độ tin cậy 1,0
“(cm-1) (a) Direction Proposed Biomolecular Assignment * Wavenumber +ve 988 RNA stretching, ring bending of uracil Symmetric phosphate stretching modes”
Yap 等 - 2021 - Detection of Prostate Cancer via IR Spectroscopic DOI: 10.3390/membranes11080591
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