Pyrrole
- Formula: C4H5N
- Molecular weight: 67.0892
- IUPAC Standard InChI:
- InChI=1S/C4H5N/c1-2-4-5-3-1/h1-5H
- Download the identifier in a file.
- IUPAC Standard InChIKey: KAESVJOAVNADME-UHFFFAOYSA-N
- CAS Registry Number: 109-97-7
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: 1H-Pyrrole; Azole; Divinylenimine; Imidole; Monopyrrole; Pyrrol; 1-Aza-2,4-cyclopentadiene; Divinyleneimine; Parzate; NSC 62777
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References, Notes
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:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 143.2 | kJ/mol | N/A | Zaheeruddin and Lodhi, 1991 | Value computed using «DELTA»fHliquid° value of 98.0 kj/mol from Zaheeruddin and Lodhi, 1991 and «DELTA»vapH° value of 45.2 kj/mol from Scott, Berg, et al., 1967.; DRB |
![]() | 108.3 ± 0.50 | kJ/mol | Ccb | Scott, Berg, et al., 1967 | ALS |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References, Notes
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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | Ccb | Zaheeruddin and Lodhi, 1991 | uncertain value: 98.02 kJ/mol; ALS | ||
![]() | 63.1 ± 0.4 | kJ/mol | Ccb | Scott, Berg, et al., 1967 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
![]() | Ccb | Zaheeruddin and Lodhi, 1991 | uncertain value: -2386.66 kJ/mol; ALS | ||
![]() | -2351.7 ± 0.3 | kJ/mol | Ccb | Scott, Berg, et al., 1967 | ALS |
![]() | -2350. | kJ/mol | Ccb | Zimmerman and Geisenfelder, 1961 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 156.44 | J/mol*K | N/A | Scott, Berg, et al., 1967 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
127.74 | 298.15 | Scott, Berg, et al., 1967 | T = 11 to 365 K.; DH |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References, Notes
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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 403. ± 1. | K | AVG | N/A | Average of 15 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 250.15 | K | N/A | Rosso and Carbonnel, 1973 | Uncertainty assigned by TRC = 0.6 K; TRC |
Tfus | 254.7 | K | N/A | Timmermans and Hennaut-Roland, 1955 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 249.7 | K | N/A | Anonymous, 1942 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tfus | 238.8 | K | N/A | Milazzo, 1941 | Uncertainty assigned by TRC = 0.4 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 249.7300 | K | N/A | Scott, Berg, et al., 1967, 2 | Uncertainty assigned by TRC = 0.07 K; by extrapolation of 1/f to zero; TRC |
Ttriple | 249.74 | K | N/A | Helm, Lanum, et al., 1958 | Uncertainty assigned by TRC = 0.03 K; measured in calorimeter at U.S. Bur. Mines, Bartlesville, OK; TRC |
Ttriple | 249.74 | K | N/A | McCullough and Waddington, 1957 | Uncertainty assigned by TRC = 0.06 K; IPTS-48, from freezing curve; TRC |
Ttriple | 249.74 | K | N/A | McCullough and Waddington, 1957 | Uncertainty assigned by TRC = 0.06 K; IPTS-48, from heating curve; TRC |
Ttriple | 249.75 | K | N/A | Anonymous, 1956 | Uncertainty assigned by TRC = 0.08 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 639.8 | K | N/A | Majer and Svoboda, 1985 | |
Tc | 639.7 | K | N/A | Cheng, McCoubrey, et al., 1962 | Uncertainty assigned by TRC = 1.5 K; extrapolated to zero time to correct for decomposition cal. vs NPL thermometer.; TRC |
Tc | 625.15 | K | N/A | Glaser and Ruland, 1957 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 56.742 | bar | N/A | Glaser and Ruland, 1957 | Uncertainty assigned by TRC = 3.0398 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 43. ± 6. | kJ/mol | AVG | N/A | Average of 6 values; Individual data points |
Enthalpy of vaporization
![]() |
Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
38.75 | 403. | N/A | Majer and Svoboda, 1985 | |
42.5 | 300. | N/A | Kimizuka and Szydlowski, 1992 | Based on data from 285. - 329. K.; AC |
42.5 | 353. | A,EB,IP | Stephenson and Malanowski, 1987 | Based on data from 338. - 440. K. See also Osborn and Douslin, 1968 and Scott, Berg, et al., 1967.; AC |
41.9 | 328. | I | Eon, Pommier, et al., 1971 | Based on data from 313. - 373. K.; AC |
41.9 | 348. | N/A | Stull, 1947 | Based on data from 333. - 373. K.; AC |
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) | ![]() |
Tc (K) | Reference | Comment |
---|---|---|---|---|---|
362. - 403. | 62.7 | 0.2964 | 639.8 | Majer and Svoboda, 1985 |
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 |
---|---|---|---|---|---|
333.4 - 373.5 | 5.32091 | 2074.447 | -9.186 | Eon, Pommier, et al., 1971 | Coefficents calculated by NIST from author's data. |
338.82 - 439.26 | 4.42765 | 1506.877 | -62.155 | Osborn and Douslin, 1968 |
Enthalpy of fusion
![]() |
Temperature (K) | Reference | Comment |
---|---|---|---|
7.9078 | 249.74 | Scott, Berg, et al., 1967 | DH |
7.91 | 249.7 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
![]() |
Temperature (K) | Reference | Comment |
---|---|---|---|
31.66 | 249.74 | Scott, Berg, et al., 1967 | DH |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References, Notes
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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
RCD - Robert C. Dunbar
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C4H4N- + H+ = C4H5N
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 1504.3 ± 1.0 | kJ/mol | D-EA | Gianola, Ichino, et al., 2004 | gas phase; B |
![]() | 1500. ± 9.2 | kJ/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
![]() | 1505. ± 12. | kJ/mol | G+TS | Cumming and Kebarle, 1978 | gas phase; B |
![]() | 1500. ± 21. | kJ/mol | EIAE | Muftakhov, Vasil'ev, et al., 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 1468. ± 8.4 | kJ/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
![]() | 1472. ± 8.4 | kJ/mol | IMRE | Cumming and Kebarle, 1978 | gas phase; B |
By formula: CN- + C4H5N = (CN- C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 97.9 ± 4.2 | kJ/mol | TDAs | Meot-ner, 1988 | gas phase; B,M |
![]() | 82. ± 15. | kJ/mol | IMRE | Larson and McMahon, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 113. | J/mol*K | PHPMS | Meot-ner, 1988 | gas phase; M |
![]() | 99.6 | J/mol*K | N/A | Larson and McMahon, 1987 | gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 64.0 ± 4.2 | kJ/mol | TDAs | Meot-ner, 1988 | gas phase; B |
![]() | 51.5 ± 9.6 | kJ/mol | IMRE | Larson and McMahon, 1987 | gas phase; B,M |
By formula: F- + C4H5N = (F- C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 143. ± 8.4 | kJ/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 107. | J/mol*K | N/A | Larson and McMahon, 1983 | gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 111. ± 8.4 | kJ/mol | IMRE | Larson and McMahon, 1983 | gas phase; B,M |
By formula: Cl- + C4H5N = (Cl- C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 78.7 ± 8.4 | kJ/mol | IMRE | Larson and McMahon, 1984 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 49.4 ± 8.4 | kJ/mol | IMRE | Larson and McMahon, 1984 | gas phase; B |
![]() | 58.58 | kJ/mol | TDEq | French, Ikuta, et al., 1982 | gas phase; B |
Free energy of reaction
![]() |
T (K) | Method | Reference | Comment |
---|---|---|---|---|
48.5 | 421. | PHPMS | French, Ikuta, et al., 1982 | gas phase; M |
By formula: HS- + C4H5N = (HS- C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 96.2 ± 4.2 | kJ/mol | TDAs | Meot-ner, 1988 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 102. | J/mol*K | PHPMS | Meot-ner, 1988 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 65.7 ± 4.2 | kJ/mol | TDAs | Meot-ner, 1988 | gas phase; B |
By formula: C4H4N- + C4H5N = (C4H4N- C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 111. ± 4.2 | kJ/mol | TDAs | Meot-ner, 1988, 2 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 147. | J/mol*K | PHPMS | Meot-ner, 1988, 2 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 68.2 ± 4.2 | kJ/mol | TDAs | Meot-ner, 1988, 2 | gas phase; B |
By formula: C2H3O2- + C4H5N = (C2H3O2- C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 100. ± 4.2 | kJ/mol | TDAs | Meot-ner, 1988 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 105. | J/mol*K | PHPMS | Meot-ner, 1988 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 69.0 ± 4.2 | kJ/mol | TDAs | Meot-ner, 1988 | gas phase; B |
By formula: (C4H5N+ C4H5N) + C4H5N = (C4H5N+
2C4H5N)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 57.7 | kJ/mol | PHPMS | Hiraoka, Takimoto, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 122. | J/mol*K | PHPMS | Hiraoka, Takimoto, et al., 1987 | gas phase; M |
By formula: C4H5N+ + C4H5N = (C4H5N+ C4H5N)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 69.0 | kJ/mol | PHPMS | Hiraoka, Takimoto, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 84.9 | J/mol*K | PHPMS | Hiraoka, Takimoto, et al., 1987 | gas phase; M |
By formula: (C4H6N+ C4H5N) + C4H5N = (C4H6N+
2C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 51.5 | kJ/mol | PHPMS | Hiraoka, Takimoto, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 127. | J/mol*K | PHPMS | Hiraoka, Takimoto, et al., 1987 | gas phase; M |
By formula: (C4H4N- C4H5N) + C4H5N = (C4H4N-
2C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 71.5 | kJ/mol | PHPMS | Meot-ner, 1988, 2 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 131. | J/mol*K | PHPMS | Meot-ner, 1988, 2 | gas phase; M |
By formula: C4H6N+ + C4H5N = (C4H6N+ C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 70.3 | kJ/mol | PHPMS | Hiraoka, Takimoto, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 103. | J/mol*K | PHPMS | Hiraoka, Takimoto, et al., 1987 | gas phase; M |
By formula: (C2H3O2- C4H5N) + C4H5N = (C2H3O2-
2C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 74.9 | kJ/mol | PHPMS | Meot-ner, 1988 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 101. | J/mol*K | PHPMS | Meot-ner, 1988 | gas phase; M |
By formula: CH6N+ + C4H5N = (CH6N+ C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 77.8 | kJ/mol | PHPMS | Deakyne and Meot-Ner (Mautner), 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 87.9 | J/mol*K | PHPMS | Deakyne and Meot-Ner (Mautner), 1985 | gas phase; M |
By formula: C6H11NO3 + C4H5N = (C6H11NO3 C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 100. | kJ/mol | PHPMS | Meot-Ner (Mautner), 1988 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
![]() | 134. | J/mol*K | PHPMS | Meot-Ner (Mautner), 1988 | gas phase; M |
By formula: (Fe+ C4H5N) + C4H5N = (Fe+
2C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 174. | kJ/mol | RAK | Gapeev and Yang, 2000 | RCD |
By formula: (Cr+ C4H5N) + C4H5N = (Cr+
2C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 146. | kJ/mol | RAK | Gapeev and Yang, 2000 | RCD |
By formula: (Mn+ C4H5N) + C4H5N = (Mn+
2C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 113. | kJ/mol | RAK | Gapeev and Yang, 2000 | RCD |
By formula: (Ni+ C4H5N) + C4H5N = (Ni+
2C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 197. | kJ/mol | RAK | Gapeev and Yang, 2000 | RCD |
By formula: (Co+ C4H5N) + C4H5N = (Co+
2C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 194. | kJ/mol | RAK | Gapeev and Yang, 2000 | RCD |
By formula: (Cu+ C4H5N) + C4H5N = (Cu+
2C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 184. | kJ/mol | RAK | Gapeev and Yang, 2000 | RCD |
By formula: Li+ + C4H5N = (Li+ C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 177. ± 17. | kJ/mol | CIDT | Huang and Rodgers, 2002 | RCD |
By formula: Na+ + C4H5N = (Na+ C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 102. ± 4.6 | kJ/mol | CIDT | Huang and Rodgers, 2002 | RCD |
By formula: K+ + C4H5N = (K+ C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 83.7 ± 4.2 | kJ/mol | CIDT | Huang and Rodgers, 2002 | RCD |
By formula: V+ + C4H5N = (V+ C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | >170. | kJ/mol | RAK | Gapeev and Yang, 2000 | RCD |
By formula: Ni+ + C4H5N = (Ni+ C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | >280. | kJ/mol | RAK | Gapeev and Yang, 2000 | RCD |
By formula: W+ + C4H5N = (W+ C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | >210. | kJ/mol | RAK | Gapeev and Yang, 2000 | RCD |
By formula: Co+ + C4H5N = (Co+ C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | >280. | kJ/mol | RAK | Gapeev and Yang, 2000 | RCD |
By formula: Mo+ + C4H5N = (Mo+ C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | >290. | kJ/mol | RAK | Gapeev and Yang, 2000 | RCD |
By formula: Fe+ + C4H5N = (Fe+ C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 226. | kJ/mol | RAK | Gapeev and Yang, 2000 | RCD |
By formula: Cr+ + C4H5N = (Cr+ C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 178. | kJ/mol | RAK | Gapeev and Yang, 2000 | RCD |
By formula: Mn+ + C4H5N = (Mn+ C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 177. | kJ/mol | RAK | Gapeev and Yang, 2000 | RCD |
By formula: Mg+ + C4H5N = (Mg+ C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 184. | kJ/mol | RAK | Gapeev and Yang, 2000 | RCD |
By formula: Al+ + C4H5N = (Al+ C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 184. | kJ/mol | RAK | Gapeev and Yang, 2000 | RCD |
By formula: Cu+ + C4H5N = (Cu+ C4H5N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
![]() | 247. | kJ/mol | RAK | Gapeev and Yang, 2000 | RCD |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References, Notes
Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | U.S. BUREAU OF MINES, LARAMIE, WYO, USA |
NIST MS number | 34529 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Zaheeruddin and Lodhi, 1991
Zaheeruddin, M.; Lodhi, Z.H.,
Enthalpies of formation of some cyclic compounds,
Phys. Chem. (Peshawar Pak.), 1991, 10, 111-118. [all data]
Scott, Berg, et al., 1967
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.,
Pyrrole: Chemical thermodynamic properties,
J. Phys. Chem., 1967, 71, 2263-2270. [all data]
Zimmerman and Geisenfelder, 1961
Zimmerman, H.; Geisenfelder, H.,
Uber die Mesomerieenergie von Azolen,
Z. Electrochem., 1961, 65, 368-371. [all data]
Rosso and Carbonnel, 1973
Rosso, M.J.-C.; Carbonnel, L.,
Hydrates + cubic clathrates generated by the nitrogenous meterocycles: the binary systems water + propylene imine and water + pyrrole,
C. R. Seances Acad. Sci., Ser. C, 1973, 277, 259. [all data]
Timmermans and Hennaut-Roland, 1955
Timmermans, J.; Hennaut-Roland, M.,
Work of the International Bureau of Physical-Chemical Standards. IX. The Physical Constants of Twenty Organic Compounds,
J. Chim. Phys. Phys.-Chim. Biol., 1955, 52, 223. [all data]
Anonymous, 1942
Anonymous, R.,
, Am. Pet. Inst. Res. Proj. 6, Natl. Bur. Stand., 1942. [all data]
Milazzo, 1941
Milazzo, G.,
Boll. Sci. Facolta Chim. Ind. Bologna, 1941, 94. [all data]
Scott, Berg, et al., 1967, 2
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.,
Pyrrole: Chemical Thermodynamic Properties,
J. Phys. Chem., 1967, 71, 2263. [all data]
Helm, Lanum, et al., 1958
Helm, R.V.; Lanum, W.J.; Cook, G.L.; Ball, J.S.,
Purification and Properties of Pyrrole, Pyrrolidine, Pyridine and 2-Methylpyridine,
J. Phys. Chem., 1958, 62, 858. [all data]
McCullough and Waddington, 1957
McCullough, J.P.; Waddington, G.,
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Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Pc Critical pressure S°liquid Entropy of liquid at standard conditions T Temperature Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature cH°liquid
Enthalpy of combustion of liquid at standard conditions fH°gas
Enthalpy of formation of gas at standard conditions fH°liquid
Enthalpy of formation of liquid at standard conditions fusH
Enthalpy of fusion fusS
Entropy of fusion rG°
Free energy of reaction at standard conditions rH°
Enthalpy of reaction at standard conditions rS°
Entropy of reaction at standard conditions vapH
Enthalpy of vaporization vapH°
Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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