Cyanide anion
- Formula: CN-
- Molecular weight: 26.0179
- IUPAC Standard InChI: InChI=1S/CN/c1-2/q-1
- IUPAC Standard InChIKey: XFXPMWWXUTWYJX-UHFFFAOYSA-N
- CAS Registry Number: 57-12-5
- Chemical structure:
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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.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°gas,1 bar | 46.840 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1970 |
Reaction 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
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
=
+
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 96. ± 2. | kcal/mol | Kin | Okabe and Mele, 1969 | gas phase; Photodissociation |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
Okabe and Mele, 1969
Okabe, H.; Mele, A.,
Photodissociation of NCN3 in the vacuum-ultraviolet production of CN B2Σ and NCN A3II,
J. Chem. Phys., 1969, 51, 2100-2106. [all data]
Notes
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- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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