Sterically hindered phthalocyanines: solution–phase interactions with carbon monoxide
Equilibrium measurements for the interaction between various substituted phthalocyanine iron(II) and phthalocyanine (III) and carbon monoxide gas in DMSO are reported. The preparation of a novel octaphenyl-di-tert-butylphthalocyanine iron(II) is described. Variation of the phthalocyanine ring substi...
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| Veröffentlicht in: | Journal of materials science 2009-08, Vol.44 (16), p.4246-4251 |
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| container_title | Journal of materials science |
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| creator | Alarjah, M. Paniwnyk, L. Peterson, I. R. Lorimer, J. P. Walton, D. J. |
| description | Equilibrium measurements for the interaction between various substituted phthalocyanine iron(II) and phthalocyanine (III) and carbon monoxide gas in DMSO are reported. The preparation of a novel octaphenyl-di-tert-butylphthalocyanine iron(II) is described. Variation of the phthalocyanine ring substituents, and the oxidation state of the iron metal, altered the sensitivity of the phthalocyanine towards the carbon monoxide by changing the properties of the ring, especially the tendency towards aggregation and the availability of electron density for binding purposes. Gradual spectroscopic changes were observed for the formation of the complex between carbon monoxide and the phthalocyanine derivatives. The equilibrium constant for octa-phenyl-di-tert-butylphthalocyanine iron(II) is 15170 L/mol and for phthalocyanine iron(III) is 2118 L/mol when compared to the reference phthalocyanine iron(II) value of 7447 L/mol. The results indicate that the sensitivity to carbon monoxide increases with an increase in the electron density on the phthalocyanine ring. |
| doi_str_mv | 10.1007/s10853-009-3593-6 |
| format | Article |
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R. ; Lorimer, J. P. ; Walton, D. J.</creator><creatorcontrib>Alarjah, M. ; Paniwnyk, L. ; Peterson, I. R. ; Lorimer, J. P. ; Walton, D. J.</creatorcontrib><description>Equilibrium measurements for the interaction between various substituted phthalocyanine iron(II) and phthalocyanine (III) and carbon monoxide gas in DMSO are reported. The preparation of a novel octaphenyl-di-tert-butylphthalocyanine iron(II) is described. Variation of the phthalocyanine ring substituents, and the oxidation state of the iron metal, altered the sensitivity of the phthalocyanine towards the carbon monoxide by changing the properties of the ring, especially the tendency towards aggregation and the availability of electron density for binding purposes. Gradual spectroscopic changes were observed for the formation of the complex between carbon monoxide and the phthalocyanine derivatives. The equilibrium constant for octa-phenyl-di-tert-butylphthalocyanine iron(II) is 15170 L/mol and for phthalocyanine iron(III) is 2118 L/mol when compared to the reference phthalocyanine iron(II) value of 7447 L/mol. The results indicate that the sensitivity to carbon monoxide increases with an increase in the electron density on the phthalocyanine ring.</description><identifier>ISSN: 0022-2461</identifier><identifier>EISSN: 1573-4803</identifier><identifier>DOI: 10.1007/s10853-009-3593-6</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Agglomeration ; Availability ; Binding ; Carbon monoxide ; Characterization and Evaluation of Materials ; Classical Mechanics ; Crystallography and Scattering Methods ; Derivatives ; Electron density ; Iron ; Materials Science ; Oxidation ; Polymer Sciences ; Sensitivity ; Solid Mechanics ; Spectroscopy ; Valence</subject><ispartof>Journal of materials science, 2009-08, Vol.44 (16), p.4246-4251</ispartof><rights>Springer Science+Business Media, LLC 2009</rights><rights>Journal of Materials Science is a copyright of Springer, (2009). 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P.</creatorcontrib><creatorcontrib>Walton, D. J.</creatorcontrib><title>Sterically hindered phthalocyanines: solution–phase interactions with carbon monoxide</title><title>Journal of materials science</title><addtitle>J Mater Sci</addtitle><description>Equilibrium measurements for the interaction between various substituted phthalocyanine iron(II) and phthalocyanine (III) and carbon monoxide gas in DMSO are reported. The preparation of a novel octaphenyl-di-tert-butylphthalocyanine iron(II) is described. Variation of the phthalocyanine ring substituents, and the oxidation state of the iron metal, altered the sensitivity of the phthalocyanine towards the carbon monoxide by changing the properties of the ring, especially the tendency towards aggregation and the availability of electron density for binding purposes. Gradual spectroscopic changes were observed for the formation of the complex between carbon monoxide and the phthalocyanine derivatives. The equilibrium constant for octa-phenyl-di-tert-butylphthalocyanine iron(II) is 15170 L/mol and for phthalocyanine iron(III) is 2118 L/mol when compared to the reference phthalocyanine iron(II) value of 7447 L/mol. The results indicate that the sensitivity to carbon monoxide increases with an increase in the electron density on the phthalocyanine ring.</description><subject>Agglomeration</subject><subject>Availability</subject><subject>Binding</subject><subject>Carbon monoxide</subject><subject>Characterization and Evaluation of Materials</subject><subject>Classical Mechanics</subject><subject>Crystallography and Scattering Methods</subject><subject>Derivatives</subject><subject>Electron density</subject><subject>Iron</subject><subject>Materials Science</subject><subject>Oxidation</subject><subject>Polymer Sciences</subject><subject>Sensitivity</subject><subject>Solid Mechanics</subject><subject>Spectroscopy</subject><subject>Valence</subject><issn>0022-2461</issn><issn>1573-4803</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1kMtKxDAUQIMoOI5-gLuCGzfRm1cf7mTwBQMuVFyGNE1thk5Skxadnf_gH_oldqggCK4uXM65XA5CxwTOCEB2HgnkgmGAAjNRMJzuoBkRGcM8B7aLZgCUYspTso8OYlwBgMgomaHnh94Eq1XbbpLGusoEUyVd0zeq9XqjnHUmXiTRt0Nvvfv6-OwaFU1i3agpvd3F5M32TaJVKL1L1t75d1uZQ7RXqzaao585R0_XV4-LW7y8v7lbXC6xZgXtMc0KXfKUCprzoqoVp5pXldKQs9woAbUBRmlmUs54VYIqc16LihDBCMtYqdkcnU53u-BfBxN7ubZRm7ZVzvghSpJmhI028BE9-YOu_BDc-J2kVBSCpSKnI0UmSgcfYzC17IJdq7CRBOQ2tZxSyzG13KaW6ejQyYkj615M-L38v_QNbLeCyQ</recordid><startdate>20090801</startdate><enddate>20090801</enddate><creator>Alarjah, M.</creator><creator>Paniwnyk, L.</creator><creator>Peterson, I. 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R.</au><au>Lorimer, J. P.</au><au>Walton, D. J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Sterically hindered phthalocyanines: solution–phase interactions with carbon monoxide</atitle><jtitle>Journal of materials science</jtitle><stitle>J Mater Sci</stitle><date>2009-08-01</date><risdate>2009</risdate><volume>44</volume><issue>16</issue><spage>4246</spage><epage>4251</epage><pages>4246-4251</pages><issn>0022-2461</issn><eissn>1573-4803</eissn><abstract>Equilibrium measurements for the interaction between various substituted phthalocyanine iron(II) and phthalocyanine (III) and carbon monoxide gas in DMSO are reported. The preparation of a novel octaphenyl-di-tert-butylphthalocyanine iron(II) is described. Variation of the phthalocyanine ring substituents, and the oxidation state of the iron metal, altered the sensitivity of the phthalocyanine towards the carbon monoxide by changing the properties of the ring, especially the tendency towards aggregation and the availability of electron density for binding purposes. Gradual spectroscopic changes were observed for the formation of the complex between carbon monoxide and the phthalocyanine derivatives. The equilibrium constant for octa-phenyl-di-tert-butylphthalocyanine iron(II) is 15170 L/mol and for phthalocyanine iron(III) is 2118 L/mol when compared to the reference phthalocyanine iron(II) value of 7447 L/mol. The results indicate that the sensitivity to carbon monoxide increases with an increase in the electron density on the phthalocyanine ring.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s10853-009-3593-6</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Agglomeration Availability Binding Carbon monoxide Characterization and Evaluation of Materials Classical Mechanics Crystallography and Scattering Methods Derivatives Electron density Iron Materials Science Oxidation Polymer Sciences Sensitivity Solid Mechanics Spectroscopy Valence |
| title | Sterically hindered phthalocyanines: solution–phase interactions with carbon monoxide |
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