1,3-Diazine

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Gas phase thermochemistry data

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
ΔfH°gas195.8 ± 1.5kJ/molCcrNabavian, Sabbah, et al., 1977Reanalyzed by Pedley, Naylor, et al., 1986, Original value = 193.1 ± 2.0 kJ/mol
ΔfH°gas195.9 ± 1.4kJ/molCcbTjebbes, 1962Reanalyzed by Cox and Pilcher, 1970, Original value = 196.6 ± 1.0 kJ/mol

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Ion clustering 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 as indicated in comments:
MS - José A. Martinho Simões
B - John E. Bartmess
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

C10H5CrNO5 (solution) + Carbon monoxide (solution) = Chromium hexacarbonyl (solution) + 1,3-Diazine (solution)

By formula: C10H5CrNO5 (solution) + CO (solution) = C6CrO6 (solution) + C4H4N2 (solution)

Quantity Value Units Method Reference Comment
ΔrH°-61.9kJ/molKinSWovkulich and Atwood, 1980solvent: Hexane; The data rely on the enthalpy and entropy of activation for the forward reaction, 106.3 ± 4.6 kJ/mol and 13.0±14.6 J/(mol K) Dennenberg and Darensbourg, 1972, and also on the enthalpy and entropy of activation for the Cr-CO dissociation in Cr(CO)6, 168.2 ± 2.5 kJ/mol and 94.6±6.3 J/(mol K) Graham and Angelici, 1967. The latter data were obtained in decalin; MS

Tungsten hexacarbonyl (cr) + 1,3-Diazine (l) = C10H5NO5W (cr) + Carbon monoxide (g)

By formula: C6O6W (cr) + C4H4N2 (l) = C10H5NO5W (cr) + CO (g)

Quantity Value Units Method Reference Comment
ΔrH°34.6kJ/molN/ANakashima and Adamson, 1982The reaction enthalpy was calculated from the enthalpy of the reaction W(CO)6(solution) + py(solution) = W(CO)5(py)(solution) + CO(solution) in cyclohexane, 27.4 ± 2.9 kJ/mol, together with the enthalpies of solution of W(CO)6(cr), W(CO)5(py)(cr), and py(l), 35.7, 36.4, and 7.9 kJ/mol, respectively Nakashima and Adamson, 1982.; MS

C4H3N2- + Hydrogen cation = 1,3-Diazine

By formula: C4H3N2- + H+ = C4H4N2

Quantity Value Units Method Reference Comment
ΔrH°1612. ± 10.kJ/molTDEqMeot-ner and Kafafi, 1988gas phase; Acid: pyrimidine. Anchored to 88MEO scale, not "87 acidity scale; B
Quantity Value Units Method Reference Comment
ΔrG°1576.5 ± 2.9kJ/molN/AWren, Vogelhuber, et al., 2012gas phase; B
ΔrG°1577. ± 8.4kJ/molTDEqMeot-ner and Kafafi, 1988gas phase; Acid: pyrimidine. Anchored to 88MEO scale, not "87 acidity scale; B

Tungsten hexacarbonyl (solution) + 1,3-Diazine (solution) = C10H5NO5W (solution) + Carbon monoxide (solution)

By formula: C6O6W (solution) + C4H4N2 (solution) = C10H5NO5W (solution) + CO (solution)

Quantity Value Units Method Reference Comment
ΔrH°27.4 ± 2.9kJ/molPCNakashima and Adamson, 1982solvent: Cyclohexane; MS
ΔrH°24.9 ± 2.9kJ/molPCNakashima and Adamson, 1982solvent: Benzene; MS
ΔrH°18.4 ± 0.4kJ/molPCNakashima and Adamson, 1982solvent: Tetrahydrofuran; MS

C39H68O3P2W (solution) + 1,3-Diazine (solution) = C44H71NO3P2W (solution) + Hydrogen (g)

By formula: C39H68O3P2W (solution) + C4H4N2 (solution) = C44H71NO3P2W (solution) + H2 (g)

Quantity Value Units Method Reference Comment
ΔrH°-39.7 ± 2.1kJ/molRSCGonzalez, Zhang, et al., 1988solvent: Toluene; MS
ΔrH°-41.8 ± 2.1kJ/molRSCGonzalez, Zhang, et al., 1988solvent: Tetrahydrofuran; MS

C14H10CrN2O4 (cr) = 21,3-Diazine (g) + 4Carbon monoxide (g) + chromium (cr)

By formula: C14H10CrN2O4 (cr) = 2C4H4N2 (g) + 4CO (g) + Cr (cr)

Quantity Value Units Method Reference Comment
ΔrH°>199.kJ/molTD-HFCAdedeji, Connor, et al., 1978The reaction enthalpy is a low limit Adedeji, Connor, et al., 1978.; MS

C8H6MoO3 (solution) + 31,3-Diazine (solution) = C18H15MoN3O3 (solution) + 1,3-Cyclopentadiene (solution)

By formula: C8H6MoO3 (solution) + 3C4H4N2 (solution) = C18H15MoN3O3 (solution) + C5H6 (solution)

Quantity Value Units Method Reference Comment
ΔrH°-69.9 ± 2.9kJ/molRSCNolan, Hoff, et al., 1985solvent: Pyridine; Reaction temperature: 323 K; MS

Nitric oxide anion + 1,3-Diazine = C4H4N3O-

By formula: NO- + C4H4N2 = C4H4N3O-

Quantity Value Units Method Reference Comment
ΔrH°69.5 ± 9.6kJ/molN/ALe Barbu, Schiedt, et al., 2002gas phase; Affinity is difference in EAs of lesser solvated species; B

C9H9CrN3O3 (solution) + 31,3-Diazine (solution) = C18H15CrN3O3 (solution) + 3Acetonitrile (solution)

By formula: C9H9CrN3O3 (solution) + 3C4H4N2 (solution) = C18H15CrN3O3 (solution) + 3C2H3N (solution)

Quantity Value Units Method Reference Comment
ΔrH°-48.1 ± 3.8kJ/molRSCMukerjee, Lang, et al., 1992solvent: Tetrahydrofuran; MS

C7H9Cl2NPd (solution) + 1,3-Diazine (l) = (PdCl2(C5H5N)2) (solution) + Ethylene (solution)

By formula: C7H9Cl2NPd (solution) + C4H4N2 (l) = (PdCl2(C5H5N)2) (solution) + C2H4 (solution)

Quantity Value Units Method Reference Comment
ΔrH°-57.7 ± 1.7kJ/molRSCPartenheimer and Durham, 1974solvent: Dichloromethane; MS

C10H5NO5W (cr) + Carbon monoxide (g) = Tungsten hexacarbonyl (g) + 1,3-Diazine (g)

By formula: C10H5NO5W (cr) + CO (g) = C6O6W (g) + C4H4N2 (g)

Quantity Value Units Method Reference Comment
ΔrH°83. ± 10.kJ/molDSCDaamen, van der Poel, et al., 1979Please also see Meester, Vriends, et al., 1976.; MS

C12H16CrO5 (solution) + 1,3-Diazine (solution) = Heptane (solution) + C10H5CrNO5 (solution)

By formula: C12H16CrO5 (solution) + C4H4N2 (solution) = C7H16 (solution) + C10H5CrNO5 (solution)

Quantity Value Units Method Reference Comment
ΔrH°-84.1 ± 1.7kJ/molPACYang, Vaida, et al., 1988solvent: Heptane; MS

C39H66MoO3P3 (solution) + 1,3-Diazine (solution) = C44H71MoNO3P2 (solution)

By formula: C39H66MoO3P3 (solution) + C4H4N2 (solution) = C44H71MoNO3P2 (solution)

Quantity Value Units Method Reference Comment
ΔrH°-70.7 ± 2.5kJ/molRSCZhang, Gonzalez, et al., 1991solvent: Toluene; MS

Molybdenum hexacarbonyl (cr) + 31,3-Diazine (g) = C18H15MoN3O3 (cr) + 3Carbon monoxide (g)

By formula: C6MoO6 (cr) + 3C4H4N2 (g) = C18H15MoN3O3 (cr) + 3CO (g)

Quantity Value Units Method Reference Comment
ΔrH°-50.4 ± 7.0kJ/molHFCAdedeji, Connor, et al., 1978MS

Tungsten hexacarbonyl (cr) + 31,3-Diazine (g) = C18H15N3O3W (g) + 3Carbon monoxide (g)

By formula: C6O6W (cr) + 3C4H4N2 (g) = C18H15N3O3W (g) + 3CO (g)

Quantity Value Units Method Reference Comment
ΔrH°-54.7 ± 8.4kJ/molHFCAdedeji, Connor, et al., 1978MS

C10H5CrNO5 (cr) + Carbon monoxide (g) = Chromium hexacarbonyl (g) + 1,3-Diazine (g)

By formula: C10H5CrNO5 (cr) + CO (g) = C6CrO6 (g) + C4H4N2 (g)

Quantity Value Units Method Reference Comment
ΔrH°75. ± 6.kJ/molDSCDaamen, van der Poel, et al., 1979MS

C10H5MoNO5 (cr) + Carbon monoxide (g) = Molybdenum hexacarbonyl (g) + 1,3-Diazine (g)

By formula: C10H5MoNO5 (cr) + CO (g) = C6MoO6 (g) + C4H4N2 (g)

Quantity Value Units Method Reference Comment
ΔrH°57. ± 3.kJ/molDSCDaamen, van der Poel, et al., 1979MS

Iron ion (1+) + 1,3-Diazine = (Iron ion (1+) • 1,3-Diazine)

By formula: Fe+ + C4H4N2 = (Fe+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°199. ± 7.9kJ/molCIDTAmunugama and Rodgers, 2001RCD

Chromium ion (1+) + 1,3-Diazine = (Chromium ion (1+) • 1,3-Diazine)

By formula: Cr+ + C4H4N2 = (Cr+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°177. ± 6.3kJ/molCIDTAmunugama and Rodgers, 2001RCD

Titanium ion (1+) + 1,3-Diazine = (Titanium ion (1+) • 1,3-Diazine)

By formula: Ti+ + C4H4N2 = (Ti+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°214. ± 10.kJ/molCIDTAmunugama and Rodgers, 2001RCD

Manganese ion (1+) + 1,3-Diazine = (Manganese ion (1+) • 1,3-Diazine)

By formula: Mn+ + C4H4N2 = (Mn+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°159. ± 9.6kJ/molCIDTAmunugama and Rodgers, 2001RCD

Scandium ion (1+) + 1,3-Diazine = (Scandium ion (1+) • 1,3-Diazine)

By formula: Sc+ + C4H4N2 = (Sc+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°214. ± 9.2kJ/molCIDTAmunugama and Rodgers, 2001RCD

Magnesium ion (1+) + 1,3-Diazine = (Magnesium ion (1+) • 1,3-Diazine)

By formula: Mg+ + C4H4N2 = (Mg+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°174. ± 5.9kJ/molCIDTAmunugama and Rodgers, 2001RCD

Vanadium ion (1+) + 1,3-Diazine = (Vanadium ion (1+) • 1,3-Diazine)

By formula: V+ + C4H4N2 = (V+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°204. ± 7.1kJ/molCIDTAmunugama and Rodgers, 2001RCD

Nickel ion (1+) + 1,3-Diazine = (Nickel ion (1+) • 1,3-Diazine)

By formula: Ni+ + C4H4N2 = (Ni+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°244. ± 9.6kJ/molCIDTAmunugama and Rodgers, 2001RCD

Aluminum ion (1+) + 1,3-Diazine = (Aluminum ion (1+) • 1,3-Diazine)

By formula: Al+ + C4H4N2 = (Al+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°159. ± 5.9kJ/molCIDTAmunugama and Rodgers, 2001RCD

Zinc ion (1+) + 1,3-Diazine = (Zinc ion (1+) • 1,3-Diazine)

By formula: Zn+ + C4H4N2 = (Zn+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°208. ± 7.5kJ/molCIDTAmunugama and Rodgers, 2001RCD

Cobalt ion (1+) + 1,3-Diazine = (Cobalt ion (1+) • 1,3-Diazine)

By formula: Co+ + C4H4N2 = (Co+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°245. ± 13.kJ/molCIDTAmunugama and Rodgers, 2001RCD

Copper ion (1+) + 1,3-Diazine = (Copper ion (1+) • 1,3-Diazine)

By formula: Cu+ + C4H4N2 = (Cu+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°249. ± 9.6kJ/molCIDTAmunugama and Rodgers, 2001RCD

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C4H4N2+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)9.33 ± 0.07eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)885.8kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity855.7kJ/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
>-0.24999ETSNenner and Schultz, 1975Pyrimidine. EA estimated as 0 eV, based on soln phase electrochemical correlations. G3MP2B3 calculations put EA at -4 kcal/mol; B

Ionization energy determinations

IE (eV) Method Reference Comment
9.1PEPiancastelli, Keller, et al., 1983LBLHLM
9.23PEGleiter, Heilbronner, et al., 1972LLK
9.32 ± 0.01PEAsbrink, Fridh, et al., 1972LLK
9.42PEDewar and Worley, 1969RDSH
9.35 ± 0.01PIYencha and El-Sayed, 1968RDSH
9.73 ± 0.03PEHush and Cheung, 1975Vertical value; LLK
9.73PESuffolk, 1974Vertical value; LLK
9.73PEGleiter, Heilbronner, et al., 1970Vertical value; RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C3H2N+15.01 ± 0.10?EIMomigny, Urbain, et al., 1965RDSH
C3H3N+12.87 ± 0.10HCNEIMomigny, Urbain, et al., 1965RDSH
C4H3N2+13.01 ± 0.10HEIMomigny, Urbain, et al., 1965RDSH

De-protonation reactions

C4H3N2- + Hydrogen cation = 1,3-Diazine

By formula: C4H3N2- + H+ = C4H4N2

Quantity Value Units Method Reference Comment
ΔrH°1612. ± 10.kJ/molTDEqMeot-ner and Kafafi, 1988gas phase; Acid: pyrimidine. Anchored to 88MEO scale, not "87 acidity scale; B
Quantity Value Units Method Reference Comment
ΔrG°1576.5 ± 2.9kJ/molN/AWren, Vogelhuber, et al., 2012gas phase; B
ΔrG°1577. ± 8.4kJ/molTDEqMeot-ner and Kafafi, 1988gas phase; Acid: pyrimidine. Anchored to 88MEO scale, not "87 acidity scale; B

Ion clustering 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:
RCD - Robert C. Dunbar
B - John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Aluminum ion (1+) + 1,3-Diazine = (Aluminum ion (1+) • 1,3-Diazine)

By formula: Al+ + C4H4N2 = (Al+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°159. ± 5.9kJ/molCIDTAmunugama and Rodgers, 2001RCD

Cobalt ion (1+) + 1,3-Diazine = (Cobalt ion (1+) • 1,3-Diazine)

By formula: Co+ + C4H4N2 = (Co+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°245. ± 13.kJ/molCIDTAmunugama and Rodgers, 2001RCD

Chromium ion (1+) + 1,3-Diazine = (Chromium ion (1+) • 1,3-Diazine)

By formula: Cr+ + C4H4N2 = (Cr+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°177. ± 6.3kJ/molCIDTAmunugama and Rodgers, 2001RCD

Copper ion (1+) + 1,3-Diazine = (Copper ion (1+) • 1,3-Diazine)

By formula: Cu+ + C4H4N2 = (Cu+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°249. ± 9.6kJ/molCIDTAmunugama and Rodgers, 2001RCD

Iron ion (1+) + 1,3-Diazine = (Iron ion (1+) • 1,3-Diazine)

By formula: Fe+ + C4H4N2 = (Fe+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°199. ± 7.9kJ/molCIDTAmunugama and Rodgers, 2001RCD

Magnesium ion (1+) + 1,3-Diazine = (Magnesium ion (1+) • 1,3-Diazine)

By formula: Mg+ + C4H4N2 = (Mg+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°174. ± 5.9kJ/molCIDTAmunugama and Rodgers, 2001RCD

Manganese ion (1+) + 1,3-Diazine = (Manganese ion (1+) • 1,3-Diazine)

By formula: Mn+ + C4H4N2 = (Mn+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°159. ± 9.6kJ/molCIDTAmunugama and Rodgers, 2001RCD

Nitric oxide anion + 1,3-Diazine = C4H4N3O-

By formula: NO- + C4H4N2 = C4H4N3O-

Quantity Value Units Method Reference Comment
ΔrH°69.5 ± 9.6kJ/molN/ALe Barbu, Schiedt, et al., 2002gas phase; Affinity is difference in EAs of lesser solvated species; B

Nickel ion (1+) + 1,3-Diazine = (Nickel ion (1+) • 1,3-Diazine)

By formula: Ni+ + C4H4N2 = (Ni+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°244. ± 9.6kJ/molCIDTAmunugama and Rodgers, 2001RCD

Scandium ion (1+) + 1,3-Diazine = (Scandium ion (1+) • 1,3-Diazine)

By formula: Sc+ + C4H4N2 = (Sc+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°214. ± 9.2kJ/molCIDTAmunugama and Rodgers, 2001RCD

Titanium ion (1+) + 1,3-Diazine = (Titanium ion (1+) • 1,3-Diazine)

By formula: Ti+ + C4H4N2 = (Ti+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°214. ± 10.kJ/molCIDTAmunugama and Rodgers, 2001RCD

Vanadium ion (1+) + 1,3-Diazine = (Vanadium ion (1+) • 1,3-Diazine)

By formula: V+ + C4H4N2 = (V+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°204. ± 7.1kJ/molCIDTAmunugama and Rodgers, 2001RCD

Zinc ion (1+) + 1,3-Diazine = (Zinc ion (1+) • 1,3-Diazine)

By formula: Zn+ + C4H4N2 = (Zn+ • C4H4N2)

Quantity Value Units Method Reference Comment
ΔrH°208. ± 7.5kJ/molCIDTAmunugama and Rodgers, 2001RCD

Gas Chromatography

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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

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Column type Active phase Temperature (C) I Reference Comment
CapillaryOV-101110.744.Golovnya, Kuz'menko, et al., 2000He; Phase thickness: 0.4 μm
CapillaryOV-101110.744.Zhuravleva, 200050. m/0.3 mm/0.4 μm, He
CapillaryOV-101110.744.Golovnya, Kuz'menko, et al., 199950. m/0.3 mm/0.4 μm, He

Kovats' RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
PackedOV-1702.Yamaji, Kimura, et al., 1978Gas Chrom Q; Column length: 1. m; Program: not specified

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedPEG-2000150.1303.Anderson, Jurel, et al., 1973He, Celite 545 (44-60 mesh); Column length: 3. m
PackedPEG-2000180.1308.Anderson, Jurel, et al., 1973He, Celite 545 (44-60 mesh); Column length: 3. m
PackedPEG-2000200.1318.Anderson, Jurel, et al., 1973He, Celite 545 (44-60 mesh); Column length: 3. m

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

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Column type Active phase I Reference Comment
CapillaryOV-1718.4Gautzsch and Zinn, 19968. K/min; Tstart: 35. C; Tend: 300. C
PackedSE-30728.Peng, Ding, et al., 1988He, Supelcoport and Chromosorb, 40. C @ 4. min, 10. K/min, 250. C @ 60. min; Column length: 3.05 m

Normal alkane RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryDB-Wax1257.Peng, Yang, et al., 1991Program: not specified
CapillaryDB-Wax1276.Peng, Yang, et al., 1991Program: not specified

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Gas Chromatography, Notes

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

Nabavian, Sabbah, et al., 1977
Nabavian, P.M.; Sabbah, R.; Chastel, R.; Laffitte, M., Thermodynamique de composes azotes. II. Etude thermochimique des acides aminobenzoiques, de la pyrimidine, de l'uracile et de la thymine., J. Chim. Phys., 1977, 74, 115-126. [all data]

Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P., Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]

Tjebbes, 1962
Tjebbes, J., The heats of combustion and formation of the three diazines and their resonance energies, Acta Chem. Scand., 1962, 16, 916-921. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Wovkulich and Atwood, 1980
Wovkulich, M.J.; Atwood, J.D., J. Organometal. Chem., 1980, 184, 77. [all data]

Dennenberg and Darensbourg, 1972
Dennenberg, R.J.; Darensbourg, D.J., Inorg. Chem., 1972, 11, 72. [all data]

Graham and Angelici, 1967
Graham, J.R.; Angelici, R.J., Inorg. Chem., 1967, 6, 2082. [all data]

Nakashima and Adamson, 1982
Nakashima, M.; Adamson, A.W., J. Phys. Chem., 1982, 86, 2905. [all data]

Meot-ner and Kafafi, 1988
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Notes

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