Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Styrene, oligomers


Condensed phase thermochemistry data

Go To: Top, IR Spectrum, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
solid,1 bar32.225cal/mol*KN/AChang and Bestul, 1968 
solid,1 bar30.74cal/mol*KN/AWarfield and Petree, 1961 
solid,1 bar32.22cal/mol*KN/ALebedev, Smirnova, et al., 1983glass phase

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
30.47298.15Lebedev, Smirnova, et al., 1983glass phase; T = 7 to 330 K.
30.468298.15Chang and Bestul, 1968T = 10 to 360 K. National Bureau of Standards sample 705.
29.71298.Abu-Isa and Dole, 1965T = 223 to 553 K. Value per monomer unit.
30.43298.15Karasz, Bair, et al., 1965T = 305 to 525 K. Glass transition at 355 K. Values per C8H8 unit.
30.52298.15Karasz, Bair, et al., 1965amorphous phase; T = 80 to 480 K. Also annealed sample, 293 to 378 K. Glass transition at about 367 K. Values per C8H8 unit.
31.36298.16Warfield and Petree, 1961T = 5 to 395 K. Interpolated.

IR Spectrum

Go To: Top, Condensed phase thermochemistry data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Tanya L. Myers, Russell G. Tonkyn, Ashley M. Oeck, Tyler O. Danby, John S. Loring, Matthew S. Taubman, Stephen W. Sharpe, Jerome C. Birnbaum, and Timothy J. Johnson

Condensed Phase Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

IR spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

View spectrum image in SVG format.

Download spectrum in JCAMP-DX format.

Detailed documentation for this spectrum is available.

Owner Public domain
Origin Pacific Northwest National Laboratory Under IARPA Contract
Date March 2017
State liquid
Instrument Bruker Tensor 27 FTIR
Instrument resolution 2.0 cm-1
IR source Silicon carbide glow bar
Aperture 3 mm
Beam splitter Broadband potassium bromide (KBr)
Detector DLTGS at room temperature
Scanner velocity 10 kHz
Phase correction Mertz
Interferogram zero fill 4x
Spectral interval after zero fill 0.4823 cm-1
Spectral range 7800 to 400 cm-1 (1.282 to 25 microns)
Resolution 0.48212986
Apodization Norton-Beer, Medium
Folding limits 15802 to 0 cm-1
Number of interferograms averaged per single channel spectrum 128

References

Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Chang and Bestul, 1968
Chang, S.S.; Bestul, A.B., Heat capacities for atactic polystyrene or narrow molecular weight distribution to 360K, J. Polymer Sci., 1968, A-26, 849-860. [all data]

Warfield and Petree, 1961
Warfield, R.W.; Petree, M.C., Thermodynamic properties of polystyrene and styrene, J. Polymer Sci., 1961, 55, 497-505. [all data]

Lebedev, Smirnova, et al., 1983
Lebedev, B.V.; Smirnova, N.N.; Lebedev, N.K.; Kozyreva, N.M.; Kirilin, A.I.; Korshak, V.V., Effect of replacing hydrogen by deuterium and the associated difference on chain links on the thermodynamic properties of polystyrene over the range 0-350°K, Dokl. Akad. Nauk, 1983, SSSR 270, 129-132. [all data]

Abu-Isa and Dole, 1965
Abu-Isa, I.; Dole, M., Specific heat of synthetic high polymers. XII. Atactic and isotactic polystyrene, J. Phys. Chem., 1965, 69, 2668-2675. [all data]

Karasz, Bair, et al., 1965
Karasz, F.E.; Bair, H.E.; O'Reilly, J.M., Thermal properties of atactic and isotactic polystyrene, J. Phys. Chem., 1965, 69, 2657-2667. [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, IR Spectrum, References