What absorbs at 957 cm⁻¹ in an FTIR spectrum?
A band near 957 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 4 cited sources
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Borate | 1 | 1 | 1.0 |
| Metal oxygen | 1 | 0 | 1.0 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
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Alkyl C-H 신뢰도 1.0
“The bands at 956.69 is C-H bending cm-1 cm-1 (out of plane), at 1465.9 is C-H in plane bending (scissoring), at 2885 is C-H stretching cm-1”
Deswardani 等 - 2017 - Study of Structural and Magnetic Properties of Sil DOI: 10.1088/1757-899X/202/1/012047 -
Borate 신뢰도 1.0
“cm-1 As suggested by reported literature, peak at 956.69 is caused by the presence of B-O stretching vibration of borate ion [70, 72, 74-76].”
Mahto 和 Mishra - 2022 - The removal of textile industrial Dye-RB-19 using DOI: 10.1007/s00289-021-03663-4 -
Hydroxyl (O-H) 신뢰도 1.0
“at 957 cm-1 and 1033 cm-1, the internal hydroxyl band at 3230~3550 cm-1.”
Properties and Mechanism of Hydroxyapatite Coating Prepared by Electrodeposition on a Braid for Biodegradable Bone Scaffolds DOI: 10.3390/nano9050679 -
Alkyl C-H 신뢰도 1.0
“Besides this, the band at cm-1 957 (2) and 964 (1, 3) disappears, which belongs to deformation in pyrrole rings being mixed with the out-of-plane CH-vibrations in benzene rings (Figures 4, 5).”
Fluorescence and FTIR Spectra Analysis of Trans-A2B2-Substituted Di- and Tetra-Phenyl Porphyrins DOI: 10.3390/ma3084446
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