2,2'-Bipyridine
- Formula: C10H8N2
- Molecular weight: 156.1839
- IUPAC Standard InChIKey: ROFVEXUMMXZLPA-UHFFFAOYSA-N
- CAS Registry Number: 366-18-7
- 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: α,α'-Bipyridine; α,α'-Bipyridyl; α,α'-Dipyridine; α,α'-Dipyridyl; 2,2'-Bipyridyl; 2,2'-Dipyridine; 2,2'-Dipyridyl; AA-DP; Bipyridine; CI 588; 2,2'-Bipyridin; 2-(2-Pyridyl)pyridine; NSC 1550; NSC 615009
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 267.9 ± 3.0 | kJ/mol | Ccb | Ribeiro da Silva, Morais, et al., 1995 | |
ΔfH°gas | 289.0 ± 5.2 | kJ/mol | Ccb | Faour and Akasheh, 1985 |
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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | 186.1 ± 2.0 | kJ/mol | Ccb | Ribeiro da Silva, Morais, et al., 1995 | |
ΔfH°solid | 207.1 ± 4.9 | kJ/mol | Ccb | Faour and Akasheh, 1985 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -5264.5 ± 1.5 | kJ/mol | Ccb | Ribeiro da Silva, Morais, et al., 1995 | |
ΔcH°solid | -5285.5 ± 4.7 | kJ/mol | Ccb | Faour and Akasheh, 1985 |
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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 546.7 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 545.6 | K | N/A | Buckingham and Donaghy, 1982 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 342.6 | K | N/A | Buckingham and Donaghy, 1982 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 343.05 | K | N/A | Sevastyanova, Suvorov, et al., 1990 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 67.0 ± 2.3 | kJ/mol | CGC | Lipkind and Chickos, 2009 | See also Lipkind, Hanshaw, et al., 2009.; AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 75.0 ± 5.0 | kJ/mol | B | Emmenegger, 1996 | AC |
ΔsubH° | 81.8 ± 2.3 | kJ/mol | C | Ribeiro da Silva, Morais, et al., 1995 | ALS |
ΔsubH° | 81.8 | kJ/mol | N/A | Ribeiro da Silva, Morais, et al., 1995 | DRB |
ΔsubH° | 81.8 ± 2.3 | kJ/mol | C | Ribeiro da Silva, Morais, et al., 1995 | AC |
ΔsubH° | 81.9 | kJ/mol | N/A | Faour and Akasheh, 1985 | DRB |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
20.4 | 345. | DSC | Lipkind, Hanshaw, et al., 2009 | AC |
Gas phase ion energetics 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:
MM - Michael M. Meot-Ner (Mautner)
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Gas basicity at 298K
Gas basicity (review) (kJ/mol) | Reference | Comment |
---|---|---|
933.4 ± 6.3 | Oresmaa, Haukka, et al., 2002 | 2,3-Dimethylpyridine; N,N-Dimethylisopropylamine. Paper reports PAs, however PT reactivity brackets GBs. Uncertainty is half the GB difference between bracketing bases.; MM |
>908. | Shen and Brodbelt, 1998 | GB > 18-Crown-6. From PT bracketing at nominal 300 K, but ion energies are undefined. Reference GB readjusted to Hunter and Lias, 1998; MM |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.6 | PE | Dobson, Hillier, et al., 1983 | LBLHLM |
8.35 ± 0.02 | PE | Maier and Turner, 1972 | LLK |
8.85 | PE | Dobson, Hillier, et al., 1983 | Vertical value; LBLHLM |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ribeiro da Silva, Morais, et al., 1995
Ribeiro da Silva, M.A.V.; Morais, V.M.F.; Matos, M.A.R.; Rio, C.M.A.,
Thermochemical and theoretical studies of some bipyridines,
J. Org. Chem., 1995, 60, 5291-5294. [all data]
Faour and Akasheh, 1985
Faour, M.; Akasheh, T.S.,
Heat of combustion of some N-heterocycle compounds. Part 1,
J. Chem. Soc. Perkin Trans. 2, 1985, 811-713. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M.,
Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]
Sevastyanova, Suvorov, et al., 1990
Sevastyanova, T.N.; Suvorov, V.; Konysheva, I.I.,
Thermodynamics of vaporisation of 2,2'-bipyridine and some binary systems with it
in Vses. Konf. Term. Org. Soedin. 6th, Minsk, p 33, 1990. [all data]
Lipkind and Chickos, 2009
Lipkind, D.; Chickos, J.S.,
, Abstract from 38th Great Lakes Regional Meeting of the American Chemical Society, May 13-16, Chicago, IL, 2009, GLRM-275. [all data]
Lipkind, Hanshaw, et al., 2009
Lipkind, Dmitri; Hanshaw, William; Chickos, James S.,
Hypothetical Thermodynamic Properties. Subcooled Vaporization Enthalpies and Vapor Pressures of Polyaromatic Heterocycles and Related Compounds,
J. Chem. Eng. Data, 2009, 54, 10, 2930-2943, https://doi.org/10.1021/je900034d
. [all data]
Emmenegger, 1996
Emmenegger, Franzpeter,
The Complex of Co(2,2,6,6-tetramethyl-3,5-heptanedionate) 2 with 2,2'-Bipyridine. Its Formation in the Gas Phase and in Solution,
Inorg. Chem., 1996, 35, 20, 5931-5934, https://doi.org/10.1021/ic9605130
. [all data]
Oresmaa, Haukka, et al., 2002
Oresmaa, L.; Haukka, M.; Vainiotalo, P.; Pakkanen, T.A.,
Ab intio calculations and mass spectrometric determination of the gas phase proton affinities of 4,4'-disubstituted 2,2'-bipyridines,
J. Org. Chem., 2002, 67, 8216. [all data]
Shen and Brodbelt, 1998
Shen, J.; Brodbelt, J.,
Evaluation of proton-binding capabilities of polyether and pyridyl ligands,
J. Mass Spectrom., 1998, 33, 118. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Dobson, Hillier, et al., 1983
Dobson, B.; Hillier, I.H.; Connor, J.A.; Moncrieff, D.; Scanlan, M.L.; Garner, C.D.,
Electronic structure and low-energy photoelectron spectra of 4,4'-disubstituted 2,2'-bipyridines,
J. Chem. Soc. Faraday Trans. 2, 1983, 79, 295. [all data]
Maier and Turner, 1972
Maier, J.P.; Turner, D.W.,
Steric inhibition of resonance studied by molecular photoelectron spectroscopy. Part I. Biphenyls,
Faraday Discuss. Chem. Soc., 1972, 54, 149. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔfusH Enthalpy of fusion ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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