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Pyridine, 2,3,6-trimethyl-

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Condensed phase thermochemistry data

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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

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
220.0300.60Svoboda and Zabransky, 1991T = 300 to 328 K. Cp(liq) = 410.64 - 1.5171T + 2.9366x10-3T2 J/mol*K (300 to 328 K).

Phase change data

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

Data compiled as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil444.7KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Tc654.5KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Deltavap50.62kJ/molN/AMajer and Svoboda, 1985 

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
39.95444.7N/AMajer and Svoboda, 1985 
48.5328.CMajer, Svoboda, et al., 1985AC
47.5343.CMajer, Svoboda, et al., 1985AC
45.7368.CMajer, Svoboda, et al., 1985AC

Enthalpy of vaporization

ΔvapH = A exp(-βTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) A (kJ/mol) beta Tc (K) Reference Comment
328. - 368.70.660.3139654.5Majer and Svoboda, 1985 

Mass spectrum (electron ionization)

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

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Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
NIST MS number 2203

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Gas Chromatography

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

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedC78, Branched paraffin130.1000.5Dallos, Sisak, et al., 2000He; Column length: 3.3 m
PackedC78, Branched paraffin130.1000.5Reddy, Dutoit, et al., 1992Chromosorb G HP; Column length: 3.3 m
PackedApolane130.1002.Dutoit, 1991Column length: 3.7 m
CapillaryOV-101110.1005.Zhuravleva, Terenina, et al., 199040. m/0.27 mm/0.4 «mu»m
PackedApiezon L130.1017.Shatts, Avots, et al., 1977He, Chromosorb W AW-DMCS; Column length: 2.4 m

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryPEG-40M110.1401.Zhuravleva, Terenina, et al., 199040. m/0.22 mm/0.40 «mu»m

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-51009.Premecz and Ford, 1987He, 60. C @ 10. min, 10. K/min, 280. C @ 3. min; Column length: 30. m; Column diameter: 0.32 mm
CapillaryDB-51003.Rostad and Pereira, 198630. m/0.26 mm/0.25 «mu»m, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min

Van Den Dool and Kratz RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryCAM1366.Premecz and Ford, 1987He, 60. C @ 5. min, 5. K/min, 240. C @ 21. min; Column length: 15. m; Column diameter: 0.24 mm

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillarySE-30989.4Bur'yan and Nabivach, 19921.7 K/min; Tstart: 82. C; Tend: 177. C

Lee's RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-5161.86Rostad and Pereira, 198630. m/0.26 mm/0.25 «mu»m, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, Notes

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

Svoboda and Zabransky, 1991
Svoboda, V.; Zabransky, M., Heat capacities of liquid 2,3,6-trimethylpyridine, 2,4,6-trimethylpyridine and 3-methoxypropionitrile within the range of temperatures of 300 to 328 K, Collect. Czech. Chem. Commun., 1991, 56(12), 2786-2790. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Majer, Svoboda, et al., 1985
Majer, V.; Svoboda, V.; Lencka, M., Enthalpies of vaporization and cohesive energies of dimethylpyridines and trimethylpyridines, The Journal of Chemical Thermodynamics, 1985, 17, 4, 365-370, https://doi.org/10.1016/0021-9614(85)90133-8 . [all data]

Dallos, Sisak, et al., 2000
Dallos, A.; Sisak, A.; Kulcsár, Z.; Kováts, E., Pair-wise interactions by gas chromatography VII. Interaction free enthalpies of solutes with secondary alcohol groups, J. Chromatogr. A, 2000, 904, 2, 211-242, https://doi.org/10.1016/S0021-9673(00)00908-0 . [all data]

Reddy, Dutoit, et al., 1992
Reddy, K.S.; Dutoit, J.-Cl.; Kovats, E. sz., Pair-wise interactions by gas chromatography. I. Interaction free enthalpies of solutes with non-associated primary alcohol groups, J. Chromatogr., 1992, 609, 1-2, 229-259, https://doi.org/10.1016/0021-9673(92)80167-S . [all data]

Dutoit, 1991
Dutoit, J., Gas chromatographic retention behaviour of some solutes on structurally similar polar and non-polar stationary phases, J. Chromatogr., 1991, 555, 1-2, 191-204, https://doi.org/10.1016/S0021-9673(01)87179-X . [all data]

Zhuravleva, Terenina, et al., 1990
Zhuravleva, I.L.; Terenina, M.B.; Shenderyuk, V.V.; Golovnya, R.V., Capillary chromatography. Calculation of retention indices of alkylpyridines on the basis of non-equal energy contributions of identical alkyl groups, Zh. Anal. Khim., 1990, 45, 722-729. [all data]

Shatts, Avots, et al., 1977
Shatts, V.D.; Avots, A.A.; Belikov, V.A., Retention indices of alkylpyridines, Zh. Anal. Khim., 1977, 32, 4, 631-638. [all data]

Premecz and Ford, 1987
Premecz, J.E.; Ford, M.E., Gas chromatographic separation of substituted pyridines, J. Chromatogr., 1987, 388, 23-35, https://doi.org/10.1016/S0021-9673(01)94463-2 . [all data]

Rostad and Pereira, 1986
Rostad, C.E.; Pereira, W.E., Kovats and Lee retention indices determined by gas chromatography/mass spectrometry for organic compounds of environmental interest, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1986, 9, 6, 328-334, https://doi.org/10.1002/jhrc.1240090603 . [all data]

Bur'yan and Nabivach, 1992
Bur'yan, P.; Nabivach, V.M., Investigation of composition of higher heterocnitrogen bases of brown coal tar, Coke Chem. (Engl. Transl.), 1992, 5, 29-33. [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References