Pyrrole: chemical thermodynamic properties

Journal Article · Thu Jun 01 00:00:00 EDT 1967 · J. Phys. Chem.; (United States)

DOI:https://doi.org/10.1021/j100866a046· OSTI ID:7098531

Scott, D W; Berg, W T; Hossenlopp, I A; Hubbard, W N; Messerly, J F; Todd, S S; Douslin, D R; McCullough, J P; Waddington, G

Experimental studies of pyrrole provided the following information: values of heat capacity for the solid (11 to 249.74/sup 0/K, the triple point), for the liquid (249.74 to 365/sup 0/K), and for the vapor (338 to 500/sup 0/K); the temperature of a lambda-type transition of the solid; the enthalpy of fusion; thermodynamic properties for the solid and liquid (0 to 400/sup 0/K); the enthalpy of vaporization (362 to 403/sup 0/K); equation-of-state constants; vapor pressure (339 to 439/sup 0/K); and standard enthalpies of combustion and formation at 298.15/sup 0/K. Association of pyrrole was revealed by an unusual linear variation of the heat capacity of the liquid with temperature and by other properties. The chemical thermodynamic properties in the ideal gas state (0 to 1500/sup 0/K) were calculated by methods of statistical mechanics.

• Research Organization: Bureau of Mines, Bartlesville, OK
• OSTI ID: 7098531
• Journal Information: J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 71:7; ISSN JPCHA
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
AZOLES
COMBUSTION HEAT
ENERGY
ENTHALPY
EQUATIONS
EQUATIONS OF STATE
FORMATION HEAT
FUSION HEAT
HEAT
HETEROCYCLIC COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PHYSICAL PROPERTIES
PYRROLES
REACTION HEAT
SPECIFIC HEAT
THERMODYNAMIC PROPERTIES
TRANSITION HEAT
TRANSITION TEMPERATURE
VAPOR PRESSURE
VAPORIZATION HEAT