Synthesis, Characterisation and Molecular Hyperpolarisabilities of Pseudo‐Octahedral Hydrido(nitrile)iron( II ) Complexes for Nonlinear Optics: X‐ray Structure of [Fe(H)(dppe) 2 (4‐NCC 6 H 4 NO 2 )][PF 6 ]·CH 2 Cl 2
A series of ionic pseudo‐octahedral trans ‐hydrido(nitrile)iron( II ) complexes with the general formula [Fe(H)(dppe) 2 (4‐NCR)][PF 6 ] [dppe = 1,2‐bis(diphenylphosphanyl)ethane; R = acceptor‐substituted conjugated ligand] have been synthesised by chloride abstraction from the starting compound tran...
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creator | Robalo, Maria Paula Teixeira, António P. S. Garcia, Maria Helena Minas da Piedade, M. Fátima Duarte, M. Teresa Dias, Alberto Romão Campo, Jochen Wenseleers, Wim Goovaerts, Etienne |
description | A series of ionic pseudo‐octahedral
trans
‐hydrido(nitrile)iron(
II
) complexes with the general formula [Fe(H)(dppe)
2
(4‐NCR)][PF
6
] [dppe = 1,2‐bis(diphenylphosphanyl)ethane; R = acceptor‐substituted conjugated ligand] have been synthesised by chloride abstraction from the starting compound
trans
‐[FeHCl(dppe)
2
] and fully characterised. First hyperpolarisabilities (
β
) have been determined by hyper‐Rayleigh scattering (HRS) at the fundamental wavelength of 1072 nm and the high near‐resonant values obtained (up to 1130 × 10
–30
esu) are interpreted in terms of the two‐level model (TLM) and are correlated with IR and NMR spectroscopic data. Wavelength‐dependent HRS has been performed in the 1072–1580 nm range for two of the compounds, namely [Fe(H)(dppe)
2
{4‐NC(CH)(CH)C
6
H
4
NO
2
}][PF
6
] and [Fe(H)(dppe)
2
{4‐NCC
6
H
4
(CH)(CH)C
6
H
4
NO
2
}][PF
6
]. These results clearly show the two‐photon resonance but also the shortcomings of the TLM when it comes to deriving reliable static
β
values. A structural study of the compound [Fe(H)(dppe)
2
(4‐NCC
6
H
4
NO
2
)][PF
6
] by X‐ray diffraction shows that it crystallises in the centrosymmetric monoclinic space group
P
2
1
/
n
, with four molecules in the unit cell and a pairwise antiparallel alignment of the dipoles. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006) |
doi_str_mv | 10.1002/ejic.200501050 |
format | Article |
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trans
‐hydrido(nitrile)iron(
II
) complexes with the general formula [Fe(H)(dppe)
2
(4‐NCR)][PF
6
] [dppe = 1,2‐bis(diphenylphosphanyl)ethane; R = acceptor‐substituted conjugated ligand] have been synthesised by chloride abstraction from the starting compound
trans
‐[FeHCl(dppe)
2
] and fully characterised. First hyperpolarisabilities (
β
) have been determined by hyper‐Rayleigh scattering (HRS) at the fundamental wavelength of 1072 nm and the high near‐resonant values obtained (up to 1130 × 10
–30
esu) are interpreted in terms of the two‐level model (TLM) and are correlated with IR and NMR spectroscopic data. Wavelength‐dependent HRS has been performed in the 1072–1580 nm range for two of the compounds, namely [Fe(H)(dppe)
2
{4‐NC(CH)(CH)C
6
H
4
NO
2
}][PF
6
] and [Fe(H)(dppe)
2
{4‐NCC
6
H
4
(CH)(CH)C
6
H
4
NO
2
}][PF
6
]. These results clearly show the two‐photon resonance but also the shortcomings of the TLM when it comes to deriving reliable static
β
values. A structural study of the compound [Fe(H)(dppe)
2
(4‐NCC
6
H
4
NO
2
)][PF
6
] by X‐ray diffraction shows that it crystallises in the centrosymmetric monoclinic space group
P
2
1
/
n
, with four molecules in the unit cell and a pairwise antiparallel alignment of the dipoles. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)</description><identifier>ISSN: 1434-1948</identifier><identifier>EISSN: 1099-0682</identifier><identifier>DOI: 10.1002/ejic.200501050</identifier><language>eng</language><ispartof>European journal of inorganic chemistry, 2006-06, Vol.2006 (11), p.2175-2185</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c840-78ed08f04cb23c8e6cf3a3e18a7c7fa5fe3b0fca75086a1ad1a3dcbf2820b7ac3</citedby><cites>FETCH-LOGICAL-c840-78ed08f04cb23c8e6cf3a3e18a7c7fa5fe3b0fca75086a1ad1a3dcbf2820b7ac3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Robalo, Maria Paula</creatorcontrib><creatorcontrib>Teixeira, António P. S.</creatorcontrib><creatorcontrib>Garcia, Maria Helena</creatorcontrib><creatorcontrib>Minas da Piedade, M. Fátima</creatorcontrib><creatorcontrib>Duarte, M. Teresa</creatorcontrib><creatorcontrib>Dias, Alberto Romão</creatorcontrib><creatorcontrib>Campo, Jochen</creatorcontrib><creatorcontrib>Wenseleers, Wim</creatorcontrib><creatorcontrib>Goovaerts, Etienne</creatorcontrib><title>Synthesis, Characterisation and Molecular Hyperpolarisabilities of Pseudo‐Octahedral Hydrido(nitrile)iron( II ) Complexes for Nonlinear Optics: X‐ray Structure of [Fe(H)(dppe) 2 (4‐NCC 6 H 4 NO 2 )][PF 6 ]·CH 2 Cl 2</title><title>European journal of inorganic chemistry</title><description>A series of ionic pseudo‐octahedral
trans
‐hydrido(nitrile)iron(
II
) complexes with the general formula [Fe(H)(dppe)
2
(4‐NCR)][PF
6
] [dppe = 1,2‐bis(diphenylphosphanyl)ethane; R = acceptor‐substituted conjugated ligand] have been synthesised by chloride abstraction from the starting compound
trans
‐[FeHCl(dppe)
2
] and fully characterised. First hyperpolarisabilities (
β
) have been determined by hyper‐Rayleigh scattering (HRS) at the fundamental wavelength of 1072 nm and the high near‐resonant values obtained (up to 1130 × 10
–30
esu) are interpreted in terms of the two‐level model (TLM) and are correlated with IR and NMR spectroscopic data. Wavelength‐dependent HRS has been performed in the 1072–1580 nm range for two of the compounds, namely [Fe(H)(dppe)
2
{4‐NC(CH)(CH)C
6
H
4
NO
2
}][PF
6
] and [Fe(H)(dppe)
2
{4‐NCC
6
H
4
(CH)(CH)C
6
H
4
NO
2
}][PF
6
]. These results clearly show the two‐photon resonance but also the shortcomings of the TLM when it comes to deriving reliable static
β
values. A structural study of the compound [Fe(H)(dppe)
2
(4‐NCC
6
H
4
NO
2
)][PF
6
] by X‐ray diffraction shows that it crystallises in the centrosymmetric monoclinic space group
P
2
1
/
n
, with four molecules in the unit cell and a pairwise antiparallel alignment of the dipoles. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)</description><issn>1434-1948</issn><issn>1099-0682</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNo9UcFq3DAQNaWFpkmvPc_Rhno7try2trdisvVCshtIDoUQjCyNWAXFMpIXurd-Qv-m935ID_2SamnIYZg3b968Obwk-VDgokAsP9GjkYsScYlFrFfJWYGrVY41L19HXLEqL1YVf5u8C-ERERmy-iz5c3sc5z0FEz5CuxdeyJm8CWI2bgQxKrh2luTBCg_dcSI_uQjjfjDWzIYCOA03gQ7K_f3xcydnsSflhY1i5Y1y6Whmbyxlxrsxhc0GMmjd02Tpe7zVzsPWjdaMFP1302xk-AzfopMXR7id_UHOB0-nH_drSrssVdNEGZSQVlG0bVuooYMKtrvIZQ_3N-tIPPz-1XZxbi2UF8kbLWyg98_9PLlbX961XX61-7ppv1zlkleYN5wUco2VHEomOdVSM8Go4KKRjRZLTWxALUWzRF6LQqhCMCUHXfISh0ZIdp4s_ttK70LwpPvJmyfhj32B_Smc_hRO_xIO-wd5boak</recordid><startdate>200606</startdate><enddate>200606</enddate><creator>Robalo, Maria Paula</creator><creator>Teixeira, António P. S.</creator><creator>Garcia, Maria Helena</creator><creator>Minas da Piedade, M. Fátima</creator><creator>Duarte, M. Teresa</creator><creator>Dias, Alberto Romão</creator><creator>Campo, Jochen</creator><creator>Wenseleers, Wim</creator><creator>Goovaerts, Etienne</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>200606</creationdate><title>Synthesis, Characterisation and Molecular Hyperpolarisabilities of Pseudo‐Octahedral Hydrido(nitrile)iron( II ) Complexes for Nonlinear Optics: X‐ray Structure of [Fe(H)(dppe) 2 (4‐NCC 6 H 4 NO 2 )][PF 6 ]·CH 2 Cl 2</title><author>Robalo, Maria Paula ; Teixeira, António P. S. ; Garcia, Maria Helena ; Minas da Piedade, M. Fátima ; Duarte, M. Teresa ; Dias, Alberto Romão ; Campo, Jochen ; Wenseleers, Wim ; Goovaerts, Etienne</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c840-78ed08f04cb23c8e6cf3a3e18a7c7fa5fe3b0fca75086a1ad1a3dcbf2820b7ac3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Robalo, Maria Paula</creatorcontrib><creatorcontrib>Teixeira, António P. S.</creatorcontrib><creatorcontrib>Garcia, Maria Helena</creatorcontrib><creatorcontrib>Minas da Piedade, M. Fátima</creatorcontrib><creatorcontrib>Duarte, M. Teresa</creatorcontrib><creatorcontrib>Dias, Alberto Romão</creatorcontrib><creatorcontrib>Campo, Jochen</creatorcontrib><creatorcontrib>Wenseleers, Wim</creatorcontrib><creatorcontrib>Goovaerts, Etienne</creatorcontrib><collection>CrossRef</collection><jtitle>European journal of inorganic chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Robalo, Maria Paula</au><au>Teixeira, António P. S.</au><au>Garcia, Maria Helena</au><au>Minas da Piedade, M. Fátima</au><au>Duarte, M. Teresa</au><au>Dias, Alberto Romão</au><au>Campo, Jochen</au><au>Wenseleers, Wim</au><au>Goovaerts, Etienne</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis, Characterisation and Molecular Hyperpolarisabilities of Pseudo‐Octahedral Hydrido(nitrile)iron( II ) Complexes for Nonlinear Optics: X‐ray Structure of [Fe(H)(dppe) 2 (4‐NCC 6 H 4 NO 2 )][PF 6 ]·CH 2 Cl 2</atitle><jtitle>European journal of inorganic chemistry</jtitle><date>2006-06</date><risdate>2006</risdate><volume>2006</volume><issue>11</issue><spage>2175</spage><epage>2185</epage><pages>2175-2185</pages><issn>1434-1948</issn><eissn>1099-0682</eissn><abstract>A series of ionic pseudo‐octahedral
trans
‐hydrido(nitrile)iron(
II
) complexes with the general formula [Fe(H)(dppe)
2
(4‐NCR)][PF
6
] [dppe = 1,2‐bis(diphenylphosphanyl)ethane; R = acceptor‐substituted conjugated ligand] have been synthesised by chloride abstraction from the starting compound
trans
‐[FeHCl(dppe)
2
] and fully characterised. First hyperpolarisabilities (
β
) have been determined by hyper‐Rayleigh scattering (HRS) at the fundamental wavelength of 1072 nm and the high near‐resonant values obtained (up to 1130 × 10
–30
esu) are interpreted in terms of the two‐level model (TLM) and are correlated with IR and NMR spectroscopic data. Wavelength‐dependent HRS has been performed in the 1072–1580 nm range for two of the compounds, namely [Fe(H)(dppe)
2
{4‐NC(CH)(CH)C
6
H
4
NO
2
}][PF
6
] and [Fe(H)(dppe)
2
{4‐NCC
6
H
4
(CH)(CH)C
6
H
4
NO
2
}][PF
6
]. These results clearly show the two‐photon resonance but also the shortcomings of the TLM when it comes to deriving reliable static
β
values. A structural study of the compound [Fe(H)(dppe)
2
(4‐NCC
6
H
4
NO
2
)][PF
6
] by X‐ray diffraction shows that it crystallises in the centrosymmetric monoclinic space group
P
2
1
/
n
, with four molecules in the unit cell and a pairwise antiparallel alignment of the dipoles. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)</abstract><doi>10.1002/ejic.200501050</doi><tpages>11</tpages></addata></record> |
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title | Synthesis, Characterisation and Molecular Hyperpolarisabilities of Pseudo‐Octahedral Hydrido(nitrile)iron( II ) Complexes for Nonlinear Optics: X‐ray Structure of [Fe(H)(dppe) 2 (4‐NCC 6 H 4 NO 2 )][PF 6 ]·CH 2 Cl 2 |
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