FTIR.fun FTIR.fun FTIR تجزیہ کو آسان بنائیں
نتیجہ صفحہ

aliphatic hydrocarbon with possible alkene character

اوپر والی رپورٹ دیکھیں۔ اگر آپ کو فالو اپ ڈسکشن کی ضرورت ہو تو نیچے والے تبصرے استعمال کریں۔

نتیجہ نمبر: 20250412170037765364682 مالک: Admin تبصرے: 1
  • Translating report into اردو. English is shown for now.
FTIR ANALYSIS REPORT

FTIR Spectrum Analysis Report

No.: 20250412170037765364682 Date: 2025-04-13 11:31:49 Reported by: FTIR.fun Contact: [email protected]

Download a professional, formatted PDF of this analysis.

Top15

Similarity-ranked Top-15 library comparison

Choose matching result groups:
Library spectrum will appear here.
Library spectrum Interactive sample curve Move the pointer to show the vertical guide line.
Top 15 candidates

Reference library candidates

Rank Match % Compound Name Formula / SMILES Library preview Action
Reference candidates load with this Top-15 workbench.

Based on the library matches and evidence above.

Conclusion

aliphatic hydrocarbon with possible alkene character

General assessment
-
#56304 Initial rank 1 Current rank 1 Library lead match 0.0%
Conclusion
  1. Observed bands at 2976, 2943, and 2866 cm-1 support aliphatic sp3 C-H stretching.
  2. Bands at 1454 and 1369 cm-1 support methyl/methylene C-H bending typical of alkyl hydrocarbons.
  3. The 3009 cm-1 band provides limited support for possible alkene =C-H stretching.
Main limitation

The nearest library candidate, (Z)-Oct-2-ene, has a similarity score of 0.000, so it should not be treated as a supported identification.

Evidence & interpretation
Evidence

Key evidence

لائبریری معروف مماثلت
(Z)-Oct-2-ene #56304 | match 0.0%
مواد کی سمت
aliphatic hydrocarbon with possible alkene character The current FTIR evidence does not support a firm compound-level assignment. Although the nearest library hit is (Z)-Oct-2-ene, the match quality is effectively nil, and no direct or related literature evidence independently supports that identity. The observed spectrum is more safely described as an aliphatic hydrocarbon showing strong C-H stretching and bending features, with a possible alkene contribution suggested by the weak band near 3009 cm-1.
Support

Evidence supporting the conclusion

Only sample-relevant statements that support the present conclusion are shown here.

  1. Observed bands at 2976, 2943, and 2866 cm-1 support aliphatic sp3 C-H stretching.
  2. Bands at 1454 and 1369 cm-1 support methyl/methylene C-H bending typical of alkyl hydrocarbons.
  3. The 3009 cm-1 band provides limited support for possible alkene =C-H stretching.
  4. Several leading library candidates are unsaturated or saturated aliphatic hydrocarbons, which aligns better with the observed peak set than with strongly functionalized materials.
  5. The spectrum shows prominent aliphatic C-H stretching bands at 2976, 2943, and 2866 cm-1 and C-H deformation bands at 1454 and 1369 cm-1, consistent with a hydrocarbon-rich material.
  6. A band at 3009 cm-1 is compatible with =C-H stretching, which can indicate alkene unsaturation.
  7. The low-wavenumber band at 741 cm-1 can occur in hydrocarbon systems, including some substituted alkene or chain-related out-of-plane C-H motions, but by itself it is not sufficiently specific for a unique assignment.
  8. The top library list contains several small hydrocarbons and alkenes such as (Z)-Oct-2-ene and hept-1-ene, which is broadly consistent with a simple hydrocarbon interpretation.
  9. However, the reported library similarities are all 0.000, so the retrieval does not provide reliable identification support.
Limitations

Evidence that limits the conclusion

  • The nearest library candidate, (Z)-Oct-2-ene, has a similarity score of 0.000, so it should not be treated as a supported identification.
  • The library consensus statement suggesting nitrogen heterocycle / oxygen heterocycle is not supported by the observed peak set, which lacks characteristic heteroatom-containing bands such as broad O-H/N-H stretching or clear carbonyl absorption.
  • The present spectrum does not show enough distinguishing bands to justify halogenated, aromatic, alcohol, amine, or heterocyclic assignments from the mixed low-quality library candidates.
  • The spectrum is sparse and dominated by common hydrocarbon bands, which limits specificity.
  • Possible alkene character is suggested but not proven, because the expected C=C stretching region is not represented in the reported peak list.
  • Without stronger fingerprint-region agreement or corroborating reference evidence, the sample could be one of several simple aliphatic hydrocarbons rather than specifically (Z)-Oct-2-ene.
Recommendation

Suggested next verification

  • Reacquire the FTIR spectrum with full fingerprint-region coverage and improved signal-to-noise, especially across about 650-1800 cm-1.
  • Check specifically for an alkene C=C stretching band near 1640-1680 cm-1 to verify whether unsaturation is truly present.
  • Compare the sample against authentic spectra of simple alkenes and alkanes, including octene and heptene isomers, rather than relying on the current low-match library result.
  • If available, confirm with GC-MS, which is well suited to distinguishing small volatile hydrocarbons and positional isomers.
Peak analysis

Detected peaks and interpretation

★ = Literature-supported peak assignment.

Index Characteristic Wavenumber Absorbance Evidence One-line interpretation Citation Confidence
1 · 2943 1.00 - - - -
2 · 2976 0.62 - - - -
3 · 3009 0.38 - - - -
4 · 2866 0.34 - - - -
5 · 1454 0.22 - - - -
6 · 741 0.15 - - - -
7 · 1369 0.10 - - - -
Appendix

Sample information and raw spectrum

Original uploaded spectrum for reference and verification.

Baseline correction method: Asymmetric Least Squares Smoothing

The wavelength range for analysis(cm-1): [(650, 4000)]

Raw spectrum without baseline correction or other processing:

Sample spectrum image
بحث

تبصرے اور فالو اپ ثبوت

اس علاقے کو تشریح جاری رکھنے، سوالات پوچھنے یا اضافی تصدیقی ثبوت شامل کرنے کے لیے استعمال کریں۔

Admin  سے : Seattle, United States
  • 13 اپریل '25

This is the FTIR analysis result of a tif file uploaded by a user with IP 102.XX.XXX.121 The original image is shown below.1.png

en&2
  • صفحہ 1 میں سے 1
جواب دیں
متعلقہ موضوعات

اس زمرے میں دیگر تجزیے

درخواست جمع کریں فارم