Methylcyclopropane
- Formula: C4H8
- Molecular weight: 56.1063
- IUPAC Standard InChIKey: VNXBKJFUJUWOCW-UHFFFAOYSA-N
- CAS Registry Number: 594-11-6
- Chemical structure:
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Gas phase thermochemistry data
Go To: Top, 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: Glushko Thermocenter, Russian Academy of Sciences, Moscow
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
33.97 | 50. | Thermodynamics Research Center, 1997 | p=1 bar. Selected values are in good agreement with those from other statistical thermodynamics calculation [ Kabo G.Y., 1973]. |
40.65 | 100. | ||
48.58 | 150. | ||
57.87 | 200. | ||
75.51 | 273.15 | ||
82.20 | 298.15 | ||
82.70 | 300. | ||
109.04 | 400. | ||
131.81 | 500. | ||
150.53 | 600. | ||
166.08 | 700. | ||
179.25 | 800. | ||
190.55 | 900. | ||
200.33 | 1000. | ||
208.80 | 1100. | ||
216.17 | 1200. | ||
222.57 | 1300. | ||
228.15 | 1400. | ||
233.02 | 1500. | ||
242.7 | 1750. | ||
249.8 | 2000. | ||
255.0 | 2250. | ||
259.0 | 2500. | ||
262.1 | 2750. | ||
264.4 | 3000. |
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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 273.85 | K | N/A | Gragson, Greenlee, et al., 1953 | Uncertainty assigned by TRC = 0.3 K; TRC |
Tboil | 273.85 | K | N/A | Gragson, Greenlee, et al., 1953 | Uncertainty assigned by TRC = 0.3 K; TRC |
Tboil | 273.88 | K | N/A | Anonymous, 1952 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tboil | 277.65 | K | N/A | Lagerlof, 1918 | Uncertainty assigned by TRC = 3. K; TRC |
Tboil | 277.65 | K | N/A | Demjanoff, 1895 | Uncertainty assigned by TRC = 3. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 96.0 ± 0.3 | K | AVG | N/A | Average of 8 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 95.640 | K | N/A | Pomerantz, Fookson, et al., 1954 | Uncertainty assigned by TRC = 0.2 K; TRC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
24.8 | 263. | A | Stephenson and Malanowski, 1987 | Based on data from 177. to 278. K. See also Stull, 1947.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
177. to 277.7 | 3.78851 | 881.456 | -44.806 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Phase change 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Squalane | 120. | 414.5 | Schomburg and Dielmann, 1973 | Column length: 100. m; Column diameter: 0.25 mm |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxanes | 415. | Zenkevich, Chupalov, et al., 1996 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Thermodynamics Research Center, 1997
Thermodynamics Research Center,
Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]
Kabo G.Y., 1973
Kabo G.Y.,
Thermodynamic properties of some hydrocarbons containing three-membered rings,
Vestn. Beloruss. Univ., Ser. 2, 1973, 3-6. [all data]
Gragson, Greenlee, et al., 1953
Gragson, J.T.; Greenlee, K.W.; Derfer, J.M.; Boord, C.E.,
J. Am. Chem. Soc., 1953, 75, 3344-7. [all data]
Anonymous, 1952
Anonymous, R.,
, Physical Properties of Chemical Substances, Dow Chemical Co., 1952. [all data]
Lagerlof, 1918
Lagerlof, D.,
Thermodynamic research: reduced formulas for simplified calculations of latent molar heat of evaporation,
J. Prakt. Chem., 1918, 98, 136. [all data]
Demjanoff, 1895
Demjanoff, N.,
Methyltrimethylene,
Ber. Dtsch. Chem. Ges., 1895, 28, 21. [all data]
Pomerantz, Fookson, et al., 1954
Pomerantz, P.; Fookson, A.; Mears, T.W.; Rothberg, S.; Howard, F.L.,
Synth. and Phys. Prop. of Several Aliphatic and Alicyclic Hydrocarbons hydrocarbons,
J. Res. Natl. Bur. Stand. (U. S.), 1954, 52, 59-65. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Schomburg and Dielmann, 1973
Schomburg, G.; Dielmann, G.,
Use of retention increments for identification and correlation of saturated and unsaturated cyclopropane hydrocarbons by means of Kovats indices,
Anal. Chem., 1973, 45, 9, 1647-1658, https://doi.org/10.1021/ac60331a021
. [all data]
Zenkevich, Chupalov, et al., 1996
Zenkevich, I.G.; Chupalov, A.A.; Herzschuh, R.,
Correlation of the Increments of Gas Chromatographic Retention Indices with the Differences of Innermolecular Energies of Reagents and Products of Chemical Reactions,
Zh. Org. Khim. (Rus.), 1996, 32, 11, 1685-1691. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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