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Imidodicarbonic diamide

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Gas 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
Deltafgas-437.0 ± 2.8kJ/molCcbKozyro, Frenkel, et al., 1988 

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 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
Deltafsolid-563.7 ± 2.1kJ/molCcbKozyro, Frenkel, et al., 1988ALS
Quantity Value Units Method Reference Comment
Deltacsolid-938.0 ± 2.1kJ/molCcbKozyro, Frenkel, et al., 1988ALS
Quantity Value Units Method Reference Comment
solid,1 bar146.1J/mol*KN/ALuff and Reed, 1982DH
solid,1 bar146.1J/mol*KN/AKozyro, Frenkel', et al., 1988DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
131.3298.15Kozyro, Frenkel', et al., 1988T = 240 to 450 K.; DH
131.3298.15Luff and Reed, 1982T = 5 to 320 K.; DH

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:
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
Deltasub126.7 ± 1.9kJ/molVKozyro, Frenkel, et al., 1988ALS

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.970372.crystaline, IIcrystaline, IKozyro, Frenkel', et al., 1988DH

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
2.54372.crystaline, IIcrystaline, IKozyro, Frenkel', et al., 1988DH

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass 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 Japan AIST/NIMC Database- Spectrum MS-NW- 412
NIST MS number 228868

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


UV/Visible spectrum

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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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis spectrum
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Additional Data

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Source Johnson, 1966
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 19958
Instrument Unicam SP 500
Melting point 188 dec.

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), UV/Visible spectrum, NIST Free Links, Notes

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

Kozyro, Frenkel, et al., 1988
Kozyro, A.A.; Frenkel, M.L.; Krasulin, A.P.; Simirskii, V.V.; Kabo, G.Ya., Thermodynamic properties of biuret in different states of aggregation, Russ. J. Phys. Chem. (Engl. Transl.), 1988, 62, 897-899. [all data]

Luff and Reed, 1982
Luff, B.B.; Reed, R.B., Low-temperature heat capacity and entropy of oxalic acid and of biuret, J. Chem. Eng. Data, 1982, 27, 290-292. [all data]

Kozyro, Frenkel', et al., 1988
Kozyro, A.A.; Frenkel', M.L.; Krasulin, A.P.; Simirskii, V.V.; Kabo, G.Ya., Thermodynamic properties of biuret in different states of aggregation, Zhur. Fiz. Khim., 1988, 62, 1752-1756. [all data]

Johnson, 1966
Johnson, E.A., UV atlas of organic compounds, 1966, 1, B11/2. [all data]


Notes

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