- Formula: CH2N4
- Molecular weight: 70.0534
- IUPAC Standard InChI:
- Download the identifier in a file.
- IUPAC Standard InChIKey: KJUGUADJHNHALS-UHFFFAOYSA-N
- CAS Registry Number: 288-94-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Species with the same structure:
- Other names: Tetraazacyclopentadiene; Tetrazole
- Information on this page:
- Other data available:
- Data at other public NIST sites:
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Reaction thermochemistry data
Go To: Top, 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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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.
CHN4- + =
By formula: CHN4- + H+ = CH2N4
|rH°||1396. ± 8.8||kJ/mol||G+TS||Taft, 1991||gas phase; B|
|rG°||1366. ± 8.4||kJ/mol||IMRE||Taft, 1991||gas phase; B|
+ = +
By formula: C3H4N4O + H2O = CH2N4 + C2H4O2
|rH°||-43.1 ± 0.4||kJ/mol||Cm||Wadso, 1960||solid phase; Heat of hydrolysis; ALS|
+ = +
By formula: C3H4N4O + C6H7N = C8H9NO + CH2N4
|rH°||-84.6 ± 0.3||kJ/mol||Cm||Wadso, 1962||solid phase; ALS|
Go To: Top, Reaction thermochemistry data, Notes
Taft, R.W., , personal communication, Aug, 1991. [all data]
Wadso, I., Heats of hydrolysis of N-acetylated imidazole, 1,2,4-triazole and tetrazole, Acta Chem. Scand., 1960, 14, 903-908. [all data]
Wadso, I., Heats of aminolysis and hydrolysis of some N-acetyl compounds and of acetic anhydride, Acta Chem. Scand., 1962, 16, 471-478. [all data]
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
rG° Free energy of reaction at standard conditions rH° Enthalpy of reaction at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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