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6,6',7,7'-Tetrahydroxy-4,4,4',4'-tetramethyl-2,2'-spirobichroman
SpectraBase Compound ID H8mAIfbnsMa
InChI InChI=1S/C21H24O6/c1-19(2)9-21(26-17-7-15(24)13(22)5-11(17)19)10-20(3,4)12-6-14(23)16(25)8-18(12)27-21/h5-8,22-25H,9-10H2,1-4H3
InChIKey SZUGPQFFJXSTDD-UHFFFAOYSA-N
Mol Weight 372.42 g/mol
Molecular Formula C21H24O6
Exact Mass 372.157288 g/mol

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

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SpectraBase Spectrum ID 8O77iOb1vFt
Name 6,6',7,7'-Tetrahydroxy-4,4,4',4'-tetramethyl-2,2'-spirobichroman
Source of Sample TCI Chemicals India Pvt. Ltd.
Catalog Number T1791
Lot Number GL01-JLED
Accessory DuraSample IR #145404C7
Acquisition Mode double sided, forward-backward
Actual Signal Gain 16
Actual Signal Gain 2nd Channel 1
Additional Data Treatment 1
Analog Signal 1 0.270493
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 -1430
Backward Peak Location 7370
Beam Splitter Setting KBr
CAS Registry Number 32737-35-2
Color Properties Pale yellow - Yellow red
Container ID C-010278
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 C21H24O6
Frequency of First Point 3998.31 cm⁻¹
Frequency of Last Point 339.461 cm⁻¹
High Folding Limit 15800.4
High Frequency Limit 8000 cm⁻¹
High Pass Filter 0
InChI InChI=1S/C21H24O6/c1-19(2)9-21(26-17-7-15(24)13(22)5-11(17)19)10-20(3,4)12-6-14(23)16(25)8-18(12)27-21/h5-8,22-25H,9-10H2,1-4H3
InChIKey SZUGPQFFJXSTDD-UHFFFAOYSA-N
Instrument Name Bruker Tensor 27 FT-IR
Laser Wavenumber 15800.4 cm⁻¹
Low Folding Limit 0
Low Frequency Limit 0
Low Pass Filter 10
Measurement Channel Sample Compartment
Molecular Weight 372.417 g/mol
Non Linearity Correction 0
Number of Points 3795
Number of Sample Scans 32
Optical Filter Setting Open
Peak Amplitude -1497
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 >98.0%
Relative Humidity Interferometer 0 %
Resolution 4
SKU T1791-5G
SMILES Oc1cc2C(CC3(Oc2cc1O)CC(c1cc(c(cc1O3)O)O)(C)C)(C)C
Sample Rotations 32
Sample Scans or Time Scans
Sample Spacing Divisor 1
Sample Spacing Multiplicator 1
Scan Time 27.337 s
Scanner Temperature 27.8 °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 4,4,4',4'-Tetramethyl-2,2'-spirobi[chroman]-6,6',7,7'-tetraol
Technique ATR-Neat
Zero Filling Factor 4