<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0872-1904</journal-id>
<journal-title><![CDATA[Portugaliae Electrochimica Acta]]></journal-title>
<abbrev-journal-title><![CDATA[Port. Electrochim. Acta]]></abbrev-journal-title>
<issn>0872-1904</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Portuguesa de Electroquímica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0872-19042003000100007</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Electrochemical Study of Alkynyl Fe(II) Complexes]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Venâncio]]></surname>
<given-names><![CDATA[Ana I.F.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[Luísa M.D.R.S.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pombeiro]]></surname>
<given-names><![CDATA[Armando J.L.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidade Técnica de Lisboa Instituto Superior Técnico Centro de Química Estrutural]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Instituto Politécnico de Lisboa ISEL - Instituto Superior de Engenharia de Lisboa Departamento de Engenharia Química]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2003</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2003</year>
</pub-date>
<volume>21</volume>
<numero>1</numero>
<fpage>85</fpage>
<lpage>90</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0872-19042003000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0872-19042003000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0872-19042003000100007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[The behaviour of the neutral alkynyl complexes trans-[FeBr(L)(depe)2] (L = -C=C-C(=CH2)Ph 1a, -C=C-CPh2(H) 1b; depe = Et2PCH2CH2PEt2) is studied by cyclic voltammetry and the electrochemical P L and E L ligand parameters for the alkynyl ligands are estimated showing that they behave as very strong net electron-donors.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[alkynyl]]></kwd>
<kwd lng="en"><![CDATA[anodic behaviour]]></kwd>
<kwd lng="en"><![CDATA[electrochemical ligand parameters]]></kwd>
<kwd lng="en"><![CDATA[cyclic voltammetry]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align=center ><b>Electrochemical Study of Alkynyl Fe(II) Complexes</b></p>         <p align="center"></p>     <p align="center" ><b>Ana I.F. Venâncio,<sup>a</sup> Luísa M.D.R.S. Martins<sup>a,b</sup>    Armando J.L. Pombeiro<sup>a<a name="top"></a> <a href="#1">*</a></sup></b></p>     <p align="center" ><sup><em>a) </em></sup><em>Centro de Química Estrutural, Complexo    I, Instituto Superior Técnico, Av. Rovisco Pais, 1049-001 Lisboa, Portugal.</em></p>      <p  align=center ><i><sup>b)</sup></i><i>Secção de Química Inorgânica, DEQ, ISEL,    R. Conselheiro Emídio Navarro, 1949-014 Lisboa, Portugal</i><i></i></p>           <p></p>      <p align=center >Received 10 September 2002; accepted in revised form 14 January 2003</p>         <p ></p>     <p ></p>      <p ><b>Abstract</b></p>      ]]></body>
<body><![CDATA[<p>The behaviour of the neutral alkynyl complexes <i >trans</i>-[FeBr(L)(depe)<sub>2</sub>]    (L = -C<u>=</u>C-C(=CH<sub>2</sub>)Ph <b >1<i>a</i></b>, -C<u>=</u>C-CPh<sub>2</sub>(H)<sub> </sub><b >1<i >b</i></b>; depe = Et<sub>2</sub>PCH<sub>2</sub>CH<sub>2</sub>PEt<sub>2</sub>)    is studied by cyclic voltammetry and the electrochemical <i >P</i><sub>L</sub> and <i>E</i><sub>L</sub>    ligand parameters for the alkynyl ligands are estimated showing that they behave    as very strong <i >net</i> electron-donors.</p>         <p ><b><i>Keywords</i></b><i>:</i> alkynyl, anodic behaviour, electrochemical    ligand parameters, cyclic voltammetry.</p>         <p ></p>     <p ></p>       <p>Texto completo dispon&iacute;vel apenas em PDF.</p>       <p>Full text only in PDF format.</p>       <p>&nbsp;</p>     <p ><b>References</b></p>      <!-- ref --><p>1.  V. Cadierno, M.P. Gamasa, J. Gimeno, <i >Eur. J. Inorg. Chem</i>. (2001) 571. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000021&pid=S0872-1904200300010000700001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p >2.  J.-F. Capon, N.Le Berre-Cosquer, F. Chuburu, R. Kergoat, J.-Y. Saillard, <i>Inorg. Chim. Acta</i> 250 (1996) 119. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000022&pid=S0872-1904200300010000700002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>3. C. Bianchini, M. Peruzzini, F. Zanobini, C. Lopez, I. de los Rios, A. Romerosa, <i >Chem. 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Acta</i>19 (2001) 361. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000027&pid=S0872-1904200300010000700007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>8. J. Chatt, C.T. Khan, G.J. Leigh, C.J. Pickett, D.R. Stanley, <i >J. Chem. Soc., Dalton Trans.</i> (1980) 2032.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000028&pid=S0872-1904200300010000700008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>9.  M.F.C. Guedes da Silva, L.M.D.R.S. Martins, J.J.R. Fraústo da Silva,  A.J.L. Pombeiro, <i>Collect.</i><i >Czech. Chem</i>. <i >Commun</i>. 66<i> </i>(2001) 139.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000029&pid=S0872-1904200300010000700009&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>10. A.B.P. Lever, <i >Inorg. Chem.</i>29<b> </b>(1990) 1271.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000030&pid=S0872-1904200300010000700010&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>11. A.J.L. Pombeiro, <i >New. J. Chem</i>. 21 (1997) 649.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000031&pid=S0872-1904200300010000700011&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p >12. L. Zhang, M.F.C. Guedes da Silva, M.L. Kuznetsov, M.P. Gamasa, J. Gimeno,    J.J.R. Fraústo da Silva, A.J.L. Pombeiro, <i >Organometallics</i> 20 (2001)    2782.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000032&pid=S0872-1904200300010000700012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p >&nbsp;</p>     <a name="1"></a><a href="#top">*</a>Corresponding author. E-mail address: <a href="mailto:pombeiro@ist.utl.pt">pombeiro@ist.utl.pt</a>      <p ></p>       ]]></body><back>
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