Hydroxyl Cyanide ion

Bielski, B.H.J.; Allen, A.O.
J. Am. Chem. Soc. 99, 5931-5934 (1977)

Reaction: ·OH + CN^- ® ·C(OH)=N^-
Solvent: H₂O

k = 8 × 10⁹(L mol^-1 s^-1)

Experimental method: Pulse radiolysis
Analytical method: vis-UV absorption
Data type: Relative value measured directly

Competition kinetics; product hydrolyzes to ·CONH₂ which disproportionates to formamide and cyanate; reference rate not given; rel. to k(·OH + Fe(CN)₆^4-).

Buechler, Hch.; Buehler, R.E.; Cooper, R.
J. Phys. Chem. 80, 1549-1553 (1976)

Reaction: CN^- + ·OH ® ·C(OH)=N^-
Solvent: H₂O

pH range 7.3 to 12
k = 7.1 × 10⁹(L mol^-1 s^-1)

Experimental method: Pulse radiolysis
Analytical method: vis-UV absorption
Data type: Absolute value measured directly

Product buildup kinetics; product structure detd. by esr [72BEH/FES3].

Behar, D.
J. Phys. Chem. 78, 2660-2663 (1974)

Reaction: ·OH + CN^- ® ·C(OH)=N^-
Reference Reaction: ·OH + SCN^- ®
Solvent: H₂O

k/k_reference = 6.9 × 10^-1
k = 7.6 × 10⁹(L mol^-1 s^-1), k_reference = 1.1 × 10¹⁰(L mol^-1 s^-1), pH = 10.6

Experimental method: Pulse radiolysis
Analytical method: vis-UV absorption
Data type: Relative value measured directly

Competition kinetics (borate buffer); adduct protonates and rearranges to ·CONH₂.