What absorbs at 946 cm⁻¹ in an FTIR spectrum?
A band near 946 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 5 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 |
|---|---|---|---|
| Metal oxygen | 2 | 1 | 1.0 |
| Water (H2O) | 1 | 1 | 1.0 |
| Alkene (C=C) | 1 | 1 | 1.0 |
| C c single bond | 1 | 1 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1.0 |
| Silicon (Si) | 1 | 0 | 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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Silicon-oxygen (Si-O) 信心 1.0
“946cm-1 563cm-1 vibrational mode is present at in Ca2Y2Si2O9 silicate in Ca2Y2Si2O9 and Sr2Y2Si2O9 phosphor is due to the SiO4 7 S.”
Down-conversion characteristics of Eu3+ doped M2Y2Si2O9 (M = Ba, Ca, Mg and Sr) nanomaterials for innovative solar panels DOI: 10.1016/j.pnsc.2019.07.003 -
Metal oxygen 信心 1.0
“As the absorption edge depends on the oxygen and also contain asymmetric stretching vibrations units.(29,32) network,(38) bond strength in the glass of Bi-O bonds in [BiO 3] pyramidal The the obtained cm-1 cm-1 absorption bands at ~946 and”
Synthesis, thermal and spectroscopic characterization of lithium bismuth borate glasses containing mixed transition metal ions DOI: 10.13036/17533562.57.3.018 -
C c single bond 信心 1.0
“In addition, it showed C-H bending cm-1, cm-1, vibrations at 1467 C-O-C (ether) stretching vibrations at 1280 and C-C (ethyl) u cm-1 stretching vibrations at 946 (Frydrych et al.”
Physical properties and solubility studies of Nifedipine-PEG 1450/HPMCAS-HF solid dispersions DOI: 10.1039/C5PY01136A -
Alkene (C=C) 信心 1.0
“[BBSQ-Cu2+], showed a peak at 671.3481, assigned to and Fe3+, Cu2+, Hg2+, and the metal chelator ethylene diamine tetBBSQ-Hg2+ system showed a peak at 945.6797, assigned to aer raacetic acid (EDTA) was added to the system BBSQ OH- [BBSQ-Hg”
NIR squaraine dyes for dual colorimetric and fluorescent determination of Fe3+, Cu2+, and Hg2+ ions DOI: 10.1039/d3ra02419a -
Water (H2O) 信心 1.0
“The bands located at 946 and water molecules represented by peaks at around 3440 and cm(cid:3)1”
Silver-controlled evolution of morphological, structural, and optical properties of three-dimensional hierarchical WO3 structures synthesized from hydrothermal method DOI: 10.1016/j.jallcom.2017.11.095
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