Enthalpies of Reaction of Pentaammineruthenium(II) Complexes

James F. Wishart; Henry Taube; Kenneth J. Breslauer; Stephan S. Isied

doi:https://doi.org/10.1021/ic00187a020

Enthalpies of Reaction of Pentaammineruthenium(II) Complexes

James F. Wishart, Henry Taube, Kenneth J. Breslauer, Stephan S. Isied

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Abstract

Enthalpies have been obtained for substitution in aquopentaammineruthenium(II) by acetonitrile, imidazole, pyridine, thiodiethanol, pentaammine(pyrazine)ruthenium(II) ion, isonicotinamide, pyrazine, N-methylpyrazinium ion, dimethylsulfoxide, and carbon monoxide, by using a batch microcalorimeter. The values are-9.2,-9.3,-12.7,-13.7,-13.8,-15.3,-16.8,-18.0,-19.2, and-38.3 kcal mol^-1, respectively. Enthalpies also were obtained for the protonation of pentaammine(pyrazine)ruthenium(II) ion (-4.9 kcal mol^-1) and for the comproportionation of [((NH₃)₅Ru)₂pyr]⁵⁺(-3.9 kcal mol^-1). The enthalpies for the association of pentaammine(pyrazine)ruthenium(II) ion with H⁺and aquopentaammine ruthenium(II) are compared with published values for Ni²⁺(aq), Cu²⁺(aq), and Zn²⁺(aq).

Original language	American English
Pages (from-to)	2997-3001
Number of pages	5
Journal	Inorganic Chemistry
Volume	23
Issue number	19
DOIs	https://doi.org/10.1021/ic00187a020
State	Published - Jan 1984
Externally published	Yes

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry

Access to Document

https://doi.org/10.1021/ic00187a020

Cite this

@article{bf81014f99594e4d8254dd5259bcce3b,

title = "Enthalpies of Reaction of Pentaammineruthenium(II) Complexes",

abstract = "Enthalpies have been obtained for substitution in aquopentaammineruthenium(II) by acetonitrile, imidazole, pyridine, thiodiethanol, pentaammine(pyrazine)ruthenium(II) ion, isonicotinamide, pyrazine, N-methylpyrazinium ion, dimethylsulfoxide, and carbon monoxide, by using a batch microcalorimeter. The values are-9.2,-9.3,-12.7,-13.7,-13.8,-15.3,-16.8,-18.0,-19.2, and-38.3 kcal mol-1, respectively. Enthalpies also were obtained for the protonation of pentaammine(pyrazine)ruthenium(II) ion (-4.9 kcal mol-1) and for the comproportionation of [((NH3)5Ru)2pyr]5+(-3.9 kcal mol-1). The enthalpies for the association of pentaammine(pyrazine)ruthenium(II) ion with H+and aquopentaammine ruthenium(II) are compared with published values for Ni2+(aq), Cu2+(aq), and Zn2+(aq).",

author = "Wishart, {James F.} and Henry Taube and Breslauer, {Kenneth J.} and Isied, {Stephan S.}",

year = "1984",

month = jan,

doi = "https://doi.org/10.1021/ic00187a020",

language = "American English",

volume = "23",

pages = "2997--3001",

journal = "Inorganic Chemistry",

issn = "0020-1669",

publisher = "American Chemical Society",

number = "19",

}

TY - JOUR

T1 - Enthalpies of Reaction of Pentaammineruthenium(II) Complexes

AU - Wishart, James F.

AU - Taube, Henry

AU - Breslauer, Kenneth J.

AU - Isied, Stephan S.

PY - 1984/1

Y1 - 1984/1

N2 - Enthalpies have been obtained for substitution in aquopentaammineruthenium(II) by acetonitrile, imidazole, pyridine, thiodiethanol, pentaammine(pyrazine)ruthenium(II) ion, isonicotinamide, pyrazine, N-methylpyrazinium ion, dimethylsulfoxide, and carbon monoxide, by using a batch microcalorimeter. The values are-9.2,-9.3,-12.7,-13.7,-13.8,-15.3,-16.8,-18.0,-19.2, and-38.3 kcal mol-1, respectively. Enthalpies also were obtained for the protonation of pentaammine(pyrazine)ruthenium(II) ion (-4.9 kcal mol-1) and for the comproportionation of [((NH3)5Ru)2pyr]5+(-3.9 kcal mol-1). The enthalpies for the association of pentaammine(pyrazine)ruthenium(II) ion with H+and aquopentaammine ruthenium(II) are compared with published values for Ni2+(aq), Cu2+(aq), and Zn2+(aq).

AB - Enthalpies have been obtained for substitution in aquopentaammineruthenium(II) by acetonitrile, imidazole, pyridine, thiodiethanol, pentaammine(pyrazine)ruthenium(II) ion, isonicotinamide, pyrazine, N-methylpyrazinium ion, dimethylsulfoxide, and carbon monoxide, by using a batch microcalorimeter. The values are-9.2,-9.3,-12.7,-13.7,-13.8,-15.3,-16.8,-18.0,-19.2, and-38.3 kcal mol-1, respectively. Enthalpies also were obtained for the protonation of pentaammine(pyrazine)ruthenium(II) ion (-4.9 kcal mol-1) and for the comproportionation of [((NH3)5Ru)2pyr]5+(-3.9 kcal mol-1). The enthalpies for the association of pentaammine(pyrazine)ruthenium(II) ion with H+and aquopentaammine ruthenium(II) are compared with published values for Ni2+(aq), Cu2+(aq), and Zn2+(aq).

UR - http://www.scopus.com/inward/record.url?scp=0007863684&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0007863684&partnerID=8YFLogxK

U2 - https://doi.org/10.1021/ic00187a020

DO - https://doi.org/10.1021/ic00187a020

M3 - Article

SN - 0020-1669

VL - 23

SP - 2997

EP - 3001

JO - Inorganic Chemistry

JF - Inorganic Chemistry

IS - 19

ER -

Enthalpies of Reaction of Pentaammineruthenium(II) Complexes

Abstract

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this