For citations & permissions, please see: Citations & Permissions - Wiley Science Solutions*

*Links on SpectraBase are not permalinks.
Indole-7-carboxylic acid
SpectraBase Compound ID 7hnwVkA18b8
InChI InChI=1S/C9H7NO2/c11-9(12)7-3-1-2-6-4-5-10-8(6)7/h1-5,10H,(H,11,12)
InChIKey IPDOBVFESNNYEE-UHFFFAOYSA-N
Mol Weight 161.16 g/mol
Molecular Formula C9H7NO2
Exact Mass 161.047678 g/mol

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

View the Full Spectrum for FREE!

The full spectrum can only be viewed using a FREE account.

SpectraBase Spectrum ID 4VtCXWgGmaX
Name Indole-7-carboxylic acid
Source of Sample Alfa Aesar, Thermo Fisher Scientific
Catalog Number H54931
Lot Number H16Z049
Accessory DuraSample IR #145404C7
Acquisition Mode double sided, forward-backward
Actual Signal Gain 8
Actual Signal Gain 2nd Channel 1
Additional Data Treatment 1
Analog Signal 1 0.270419
Analog Signal 2 0
Aperture Setting 6 mm
Apodization Function Norton-Beer, medium
Background Measurement Channel Sample Compartment
Background Peak Amplitude 2nd Channel 1
Background Peak Location 2nd Channel 1
Background Rotations 32
Background Scans 32
Background Scans or Time Scans
Backward Peak Amplitude -1748
Backward Peak Location 7370
Beam Splitter Setting KBr
CAS Registry Number 1670-83-3
Container ID C-009801
Copyright Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved.
Data Point Format 1
Delay Before Measurement 1 s
Detector Setting RT-DLaTGS [Internal]
End Frequency Limit for File 340
External Synchronization Off
Focal Length 100
Formula C9H7NO2
Frequency of First Point 3998.34 cm⁻¹
Frequency of Last Point 339.463 cm⁻¹
High Folding Limit 15800.5
High Frequency Limit 8000 cm⁻¹
High Pass Filter 0
InChI InChI=1S/C9H7NO2/c11-9(12)7-3-1-2-6-4-5-10-8(6)7/h1-5,10H,(H,11,12)
InChIKey IPDOBVFESNNYEE-UHFFFAOYSA-N
Instrument Name Bruker Tensor 27 FT-IR
Laser Wavenumber 15800.5 cm⁻¹
Low Folding Limit 0
Low Frequency Limit 0
Low Pass Filter 10
Measurement Channel Sample Compartment
Molecular Weight 161.160 g/mol
Non Linearity Correction 0
Number of Points 3795
Number of Sample Scans 32
Optical Filter Setting Open
Peak Amplitude -1808
Peak Amplitude 2nd Channel 1
Peak Location 7366
Peak Location 2nd Channel 1
Phase Correction Mode Mertz
Phase Resolution 8
Physical State Liquid
Preamplifier Gain 3
Preamplifier Gain Background 0
Purity 97%
Relative Humidity Interferometer 20 %
Resolution 4
SKU H54931-1G
SMILES [nH]1c2c(C(O)=O)cccc2cc1
Sample Rotations 32
Sample Scans or Time Scans
Sample Spacing Divisor 1
Sample Spacing Multiplicator 1
Scan Time 27.298 s
Scanner Temperature 28.3 °C
Scanner Velocity 10 kHz
Signal Gain, Background automatic
Signal Gain, Sample automatic
Source of Spectrum Bio-Rad Laboratories, Inc.
Start Frequency Limit for File 4000 cm⁻¹
Synonyms 7-Indolecarboxylic acid
Technique ATR-Neat
Zero Filling Factor 4