What absorbs at 971 cm⁻¹ in an FTIR spectrum?
A band near 971 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Hydroxyl (O-H) | 2 | 1 | 1.0 |
| Alkene (C=C) | 1 | 1 | 1.0 |
| Ring structure | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
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Alkyl C-H 信心 1.0
“A similar cm-1 behavior is observed for the 971 band corresponding to trans O-CH stretching”
Polyethylene terephthalate degradation under reactor neutron irradiation DOI: 10.1016/j.radphyschem.2016.10.002 -
Ring structure 信心 1.0
“FTIR spectrum of electrolyte sample C Ionics cm-1 cm-1 (T 958 [11] and the peak at 971 attributed to the ring ) of the To measure the electronic transference number e”
Electrical and structural studies of a LiBOB-based gel polymer electrolyte DOI: 10.1007/s11581-016-1834-7 -
Hydroxyl (O-H) 信心 1.0
“FTIRspectrumofthebluelayercomparedwithlapislazuliblue FIGURE 8 characteristic bands of calcite, due to the fresco technique - pigment andcalcite references 3554cm-1 the following principal bands arise: 3530, (O-H 971cm-1 stretching);”
Zorba 等 - 2006 - Technique and palette of XIIIth century painting i DOI: 10.1007/s00339-006-3548-6 -
Alkene (C=C) 信心 1.0
“cm-1 cm-1 cm-1 band), 1465 (-CH 2bending), 1379 (-CH bending), 1091 (CO stretching), 971 247 3 cm-1 (C=C stretching band) as shown in Fig.”
Haider 等 - 2017 - Formation of chitosan nanoparticles to encapsulate DOI: 10.1016/j.foodhyd.2016.08.020.
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