What absorbs at 953 cm⁻¹ in an FTIR spectrum?

快速回答

A band near 953 cm⁻¹ is usually interpreted by checking which functional groups repeatedly co-occur there in the literature, then confirming at least one or two additional peaks in the same sample. This page ranks those assignments by accumulated evidence rather than by a single fixed textbook rule.

可能的官能基指派

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。

可能的材料

僅當同一文獻庫支援此波段以及至少一個額外特徵峰時，才會顯示材料。

光譜邏輯

This band becomes meaningful only when read with its neighboring peaks. In practice, analysts first look at the assignments above, then check whether the same sample also shows other peaks expected for the same structural motif. A lone band near 953 cm⁻¹ is usually not enough for material identification by itself.

實際使用

此類查詢常見於聚合物鑑別、未知塑膠篩選、品管故障排除、再生材料驗證，以及基於文獻的峰值歸屬審查。

常見錯誤

• 將一個孤立的譜帶視為材料的證據，而未檢查至少一兩個支持峰。
• 忽略重疊：多個官能團可能在相同波數附近貢獻。
• 當添加劑、混合物、氧化或污染物可能扭曲譜圖時，跳過驗證。

驗證建議

當仍然存在歧義時，使用DSC、GC-MS或TGA驗證假設，特別是對於混合物、降解樣品和填充聚合物。

這些指派背後的文獻

• Silicon (Si) 信心 1.0

  “3379cm-1 3381cm-1 mightbeduetoCa-Ostretchingvibrations,whiletheintense and are ascribed to Al-OH and AlSi1123cm-1 bands at 953 and OH/Li-vibrations, respectively [36], since Al3+ and Fe3+ attributed to Si-O strong 1389cm-1 replace the Si4+”

  Ahmad 等 - 2021 - Spectroscopic Analysis for Harnessing the Quality DOI: 10.1155/2021/6629640
• Alkyl C-H 信心 1.0

  “Finally, the isopropanol peak 3 occurred at 953 cm-1 and it was assigned to the CH rocking mode [30].”

  High Sensitivity Monitoring of VOCs in Air through FTIR Spectroscopy Using a Multipass Gas Cell Setup DOI: 10.3390/s22155624
• Metal oxygen 信心 1.0

  “The band at 953 is assigned to the W O stretching vibration in the octahedral cm-1 cm-1 tungsten peroxide species in UiO-67-WO(O 2) 2, and the bands centered at 573 and 531 are cm-1 attribute to the asymmetric and symmetric stretching vibra”

  Transition Metal Oxodiperoxo Complex Modified Metal-Organic Frameworks as Catalysts for the Selective Oxidation of Cyclohexane DOI: 10.3390/ma13040829
• Acetate 信心 1.0

  “The 953 and 781 peaks represent the C-O h o”

  A facile, sensitive and rapid sensing platform based on CoZnO for detection of fipronil; an environmental toxin. DOI: 10.1002/elan.202000051.
• Aromatic ring 信心 1.0

  “In the Raman spectrum of CuPc, the bands between 100 and 1000 are due to macrocycle cm-1 vibrations, the band at 953 is attributed to the aromatic bending vibration of benzene, the band at cm-1 cm-1 1107 is due to the bending vibration in t”

  Nolasco 等 - 2022 - Morphology, Chemical Characterization and Sources DOI: 10.21203/rs.3.rs-1166452/v1
• C-S single bond 信心 1.0

  “Paper RSC Advances cm(cid:3)1 cm(cid:3)1 around 1113 and 1199 correlates with the presence C-S of stretching vibration peak, while the substituted benzene cm(cid:3)1, C-S ring and bending peaks are observed at 953”

  A comparison of experimental and theoretical studies of benzoquinone modified poly(thiophene): effect of polymerization techniques on the structure and properties DOI: 10.1039/d0ra07714c
• Amide 信心 1.0

  “C-O stretching vibration ChCl-PHA 1082 C-O stretching 953 C-N stretching”

  Zhuang 等 - 2020 - Observation of Potential Contaminants in Processed DOI: 10.3390/app10124345
• 信心 0.9

  “Assigned as band F in figure caption.”

  Effect of different carbohydrates on the functional properties of black rice glutelin (BRG) modified by the maillard reaction DOI: 10.1016/j.jcs.2020.102979