What absorbs at 1259 cm⁻¹ in an FTIR spectrum?
A band near 1259 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 |
|---|---|---|---|
| Methoxy (OCH3) | 9 | 9 | 1,0 |
| Methacrylate | 9 | 9 | 1,0 |
| Acetate | 9 | 9 | 1,0 |
| C-O single bond | 8 | 8 | 1,0 |
| Alkyl C-H | 5 | 3 | 1,0 |
| Ring structure | 3 | 3 | 1,0 |
| Aromatic ring | 3 | 3 | 1,0 |
| Amide | 2 | 2 | 1,0 |
| Silicon carbon | 2 | 2 | 1,0 |
| C c single bond | 2 | 2 | 1,0 |
| Carbohydrate | 1 | 1 | 1,0 |
| Methyl | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Silicon (Si) | 1 | 1 | 1,0 |
| Lignin | 1 | 1 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| C n single bond | 1 | 1 | 1,0 |
| S eq o | 1 | 1 | 1,0 |
| Siloxane (Si-O-Si) | 1 | 1 | 0,7 |
| Hydrogen bond | 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
-
S eq o độ tin cậy 1,0
“The author's thanks to Ministry of 1259cm-1 corresponds to S=O bonds.”
Artemisia 等 - 2019 - The Properties of Brown Marine Algae Sargassum tur DOI: 10.14499/indonesianjpharm30iss1pp43 -
Alkyl C-H độ tin cậy 1,0
“Results and discussion cm-1 Si\CH at 1259.4 due to CH symmetric stretching of 3, at 3”
Ferreira 等 - 2013 - Surface modification of poly(dimethylsiloxane) by DOI: 10.1016/j.surfcoat.2013.02.035 -
C c single bond độ tin cậy 1,0
“LLM confirmed rule peak-group candidate”
Preparation, Characterization and Antibacterial Evaluation of Soy Protein Isolate Biopolymeric Films Loaded with Nalidixic Acid DOI: 10.1007/s10924-020-01729-4 -
Acetate độ tin cậy 1,0
“Similarly, the peak positions cor1259 wt% 4HF polymer on the ionic conductivity of PEO-10 NH 2 responding to C¼O stretching, C-O-C stretching, and”
Influence of high and low dielectric constant plasticizers on the ion transport properties of PEO: NH4HF2 polymer electrolytes DOI: 10.1177/0954008319894043 -
Acetate độ tin cậy 1,0
“In genThe cm-1, 1412 and 1423 the C-O stretching of aromatic ring's ether eral, the exchange process between the new and exchangeable cm-1 at 1259 and, the vibrations of aromatic ring (C C) at 1531 cations did not exhibit significant differ”
Tabak 等 - 2011 - Structural analysis of naproxen-intercalated bento DOI: 10.1016/j.cej.2011.09.027 -
Amide độ tin cậy 1,0
“1317.31 1298.03 C-N stretching vibrations of amide III 1259.45 1256.60 1256.60”
Physicochemical Properties and Functional Characteristics of Ecologically Extracted Shrimp Chitosans with Different Organic Acids during Demineralization Step DOI: 10.3390/molecules27238285 -
Lignin độ tin cậy 1,0
“cm-1, (2) Bands at 1259 assigned to syringyl ring and C-O stretch in lignin and xylan as reported cm-1 (attributed to amide III) (Fig.”
Erukhimovitch 等 - 2010 - Direct identification of potato's fungal phyto-pat DOI: 10.3233/SPE-2010-0483 -
Alkyl C-H độ tin cậy 1,0
“The characteristic band at 1259 assigned to the CH 2Cl wagging was only present in the spectra of PSVBC-30 but absent in the other spectra [27].”
Anion Exchange Membranes Based on Imidazoline Quaternized Polystyrene Copolymers for Fuel Cell Applications DOI: 10.3390/membranes11110901
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