What absorbs at 629 cm⁻¹ in an FTIR spectrum?
A band near 629 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 7 cited sources
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Hydroxyl (O-H) | 3 | 2 | 1.0 |
| Metal oxygen | 2 | 2 | 1.0 |
| C-S single bond | 1 | 1 | 1.0 |
| Nucleic acid | 1 | 1 | 1.0 |
| Silicate | 1 | 1 | 1.0 |
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
-
Silicate 置信度 1.0
“cm-1 The absorption band at 629 may be caused by silicate impurities in the sample.”
Thermal Migration Behavior of Na+, Cu2+ and Li+in Montmorillonite DOI: 10.3390/min12040477 -
Metal oxygen 置信度 1.0
“LLM confirmed rule peak-group candidate”
Effect of rGO wt.% on the Preparation of rGO/CuO Nanocomposites at Different Test Periods and Temperatures DOI: 10.3390/cryst12101325 -
Metal oxygen 置信度 1.0
“O was found at 1384, 1624 The Fe-O stretching backbone cm(cid:3)1 vibrations peak was shifted to 629 for the OA-C-Fe 3O com-”
A possible theranostic approach of chitosan-coated iron oxide nanoparticles against human colorectal carcinoma (HCT-116) cell line DOI: 10.1016/j.sjbs.2021.08.078 -
Nucleic acid 置信度 1.0
“The major spectral peaks and proposed biomolecular assignments responsible for cm-1 cm-1 cm-1 PC1 loadings are at wavenumbers 1,690 (nucleic acids), 1,631 (amide I), 1,629 cm-1 cm-1”
Macotpet 等 - 2020 - Attenuated total reflection Fourier transform infr DOI: 10.4142/jvs.2020.21.e16 -
Hydroxyl (O-H) 置信度 1.0
“cm21 Additionally, two pronounced peaks in the IR spectra at 629 and 3570 were identified and associated with the symmetric stretching mode of hydroxyl group.”
Rodriguez-Lugo 等 - 2018 - Wet chemical synthesis of nanocrystalline hydroxya DOI: 10.1098/rsos.180962 -
Hydroxyl (O-H) 置信度 1.0
“PXRD patterns of (a) non-substituted hydroxyapatite (HAP) and (b) Mg-substituted HAP cm-1 and the other at 629 corresponding to the vibrational mode of the hydroxyl group [33].”
A Comparative EPR Study of Non-Substituted and Mg-Substituted Hydroxyapatite Behaviour in Model Media and during Accelerated Ageing DOI: 10.3390/cryst12020297 -
C-S single bond 置信度 1.0
“The peak at 629 is ascribed to The PASF terpolymer was synthesized by a free radical the stretching vibration absorption of -C-S.”
Zhao 等 - 2015 - Synthesis and Solution Properties of Fluorinated A DOI: 10.7317/pk.2015.39.3.403
是否有此波段的光谱？
上传您的FTIR光谱，几秒钟内即可获得完整的解读报告——包含带文献引用的峰分配、库匹配和带有置信度评级的证据链。
解读我的光谱