What absorbs at 2865 cm⁻¹ in an FTIR spectrum?
A band near 2865 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 8 cited sources
可能的官能团归属
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
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Alkyl C-H 置信度 0.95
“Explicit assignment: '2865 (symmetric -CH stretching)'”
Pompa-Monroy 等 - 2020 - Bacterial Biofilm Formation Using PCLCurcumin Ele DOI: 10.3390/ma13235556 -
Alkyl C-H 置信度 0.9
“Explicit assignment in text”
Varma 和 Vasudevan - 2020 - Extraction, Characterization, and Antimicrobial Ac DOI: 10.1021/acsomega.0c01903 -
Alkyl C-H 置信度 0.9
“Snippet: 'peaks at 2945 and 2865 due to CH and CH stretching vibrations'”
Catauro 等 - 2023 - Antibacterial and Cytotoxic Silica-Polycaprolacton DOI: 10.3390/molecules28083486 -
置信度 0.9
“Text: 'bands at 2949 and 2865 regions corresponding to -CH2 the symmetric and asymmetric tension'”
Nunez-Gastelum 等 - 2019 - SCREENING OF THE PHYSICAL AND STRUCTURAL PROPERTIE DOI: 10.24275/uam/izt/dcbi/revmexingquim/2019v18n1/Nunez -
Alkyl C-H 置信度 0.9
“Explicit: 'symmetric stretching at 2865'.”
Wang 等 - 2017 - Preparation of active 3D film patches via aligned DOI: 10.1038/srep43924 -
Methyl 置信度 0.8
“Text: 'groups at 2978, 2934, and 2865 and CO stretch mode at 1715 and -CH3'”
Duvernay 等 - 2010 - Chiral molecule formation in interstellar ice anal DOI: 10.1051/0004-6361/201015342 -
Alkyl C-H 置信度 0.8
“Same as above.”
Jacob 等 - 2007 - New insights into the chemical composition of chit DOI: 10.1016/j.orggeochem.2007.06.005 -
Alkyl C-H 置信度 0.8
“Peak around 2865 cm-1 attributed to C-H stretching.”
Sun 等 - 2016 - Synthesis and Characterization of Nanodiamond Rein DOI: 10.3390/jfb7030027
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