What absorbs at 664 cm⁻¹ in an FTIR spectrum?
A band near 664 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 6 cited sources
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Borate | 1 | 1 | 1.0 |
| Metal oxygen | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
| C-S single bond | 1 | 1 | 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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C-S single bond 신뢰도 1.0
“cm-1 cm-1 Band at 1226 is due to CH wagging, C-S stretching vibration at 664 2 cm-1 confirmed the presence of S-S group.”
Crystal Growth, Spectral, Optical, Laser damage, Photoconductivity and Dielectric Properties of Semiorganic L-cystine hydrochloride Single Crystal DOI: 10.1016/j.saa.2015.06.113 -
신뢰도 1.0
“The bands cm-1 cm-1 bands at 664 and 1250 in sample D are due to titanium oxide;”
Effect of Microstructural and Tribological Behaviors of Sputtered Titanium Carbide Thin Film on Copper Substrate DOI: 10.3390/ma16010174 -
Carboxyl (COOH) 신뢰도 1.0
“COOH bending peaks (664cm(cid:2)1) 12h in air and then cured in a convection oven for 5h.”
Sgriccia 等 - 2008 - Characterization of natural fiber surfaces and nat DOI: 10.1016/j.compositesa.2008.07.007 -
Carbohydrate 신뢰도 1.0
“Heavy and strong woods are 664 peak showed some modifications in cellulose cm-1 more resistant to weathering factors than softwoods [43].”
Tomak - 2014 - Changes in chemical composition of decayed Scots p DOI: 10.1515/secm-2013-0180 -
Metal oxygen 신뢰도 1.0
“One band is due to Ni-O bond stretching around 567 which represents cm-1, tetrahedral sites, whereas the second is attributed to Fe-O bond stretching at 664”
Synthesis, Characterization, and Solar Photo-Activation of Chitosan-Modified Nickel Magnetite Bio-Composite for Degradation of Recalcitrant Organic Pollutants in Water DOI: 10.3390/catal12090983 -
Borate 신뢰도 1.0
“All glasses show a peak at 664 This is the presence of iron oxide, the average boron-boron attributed to the bending vibration of B-O-B linkage”
Ibrahim 等 - 2014 - Influence of Fe2O3 on the physical, structural and DOI: 10.1007/s40145-014-0107-z
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