What absorbs at 769 cm⁻¹ in an FTIR spectrum?
A band near 769 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 | 2 | 2 | 1,0 |
| Hydroxyl (O-H) | 2 | 2 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1,0 |
| Silicon (Si) | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 0,9 |
| N h | 1 | 1 | 0,9 |
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
-
Hydroxyl (O-H) độ tin cậy 1,0
“However, the cm-1 broad intense band at 3400-3419 in the sample showed the existence of -OH stretching vibration (hydroxyl / phenol) generated by the phenol group, which was confirmed by the presence of 768.55 cm-1 in the non-anneal sample.”
Fabiani 等 - 2020 - Green synthesis and characterization of Zinc Ferri DOI: 10.1088/1755-1315/599/1/012066 -
Alkyl C-H độ tin cậy 1,0
“the wagging deformation band at 769 from C-H Additionally, 1,5-hexadiene was identified as a decomposition various vibrations of the hexene moiety, which were also Creative β-elimination) product (via a for all hb-FRs via the bands at obser”
Battig 等 - 2019 - Hyperbranched phosphorus flame retardants multifu DOI: 10.1039/c9py00737g -
Hydroxyl (O-H) độ tin cậy 1,0
“cm-1 3678 [34,35] and O-H deformation at 765 and 769 The band occurred at 2860 due to 3678 cm-1 [34,35] and O-H deformation at 765 and 769 cm-1.”
Kumar 等 - 2020 - Polyethylene Glycol (PEG) Modified Porous Ca-5(PO4 DOI: 10.3390/coatings10060538 -
độ tin cậy 1,0
“The stretching vibration characteristic peaks of the Fe-O bond in ferrate were obThe stretching vibration characteristic peaks of the Fe-O bond in ferrate were obtained cm-1, cm-1, cm-1 tained at around 700 cm-1, 769 cm-1, 879 cm-1 and conf”
Effective Desalination of Acid Mine Drainage Using an Advanced Oxidation Process: Sodium Ferrate (VI) Salt DOI: 10.3390/w13192619 -
Silicon (Si) độ tin cậy 1,0
“The band at 769 was assigned to the Si-O symmetric cm-1 stretching or bending mode whereas the band at 947 was assigned to the Si-O stretching mode of non-bridging oxygen.”
Zaid 等 - 2017 - Effect of Sintering on Crystallization and Structu DOI: 10.2298/SOS1704409Z -
Metal oxygen độ tin cậy 0,9
“Explicit assignment.”
Saliu 等 - 2017 - Catalytic crosslinking of a regenerated hydrophobi DOI: 10.1515/epoly-2016-0289 -
Phosphate (PO4) độ tin cậy 0,9
“Text: '769 cm-1 stretching of C-OP bond'”
Yasmin 等 - 2022 - Biosorptive Potential of Pseudomonas species RY12 DOI: 10.1177/15593258221117352 -
độ tin cậy 0,8
“Text: 'ν (ν ν (ν region accounts for the fundamental bands = 768.809'”
High resolution FTIR spectrum of CH2D79Br: the ground, v5 = 1 and v9 = 1 state constants DOI: 10.1080/00268970903567270
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