Organometallic Complexes for Non-Linear Optics. XXVI Quadratic Hyperpolarizabilities of Some 4-Methoxytetrafluorophenylalkynyl Gold and Ruthenium Complexes

Stephanie K. Hurst; Nigel T. Lucas; Mark G. Humphrey; Inge Asselberghs; Roel Van Boxel; André Persoons

doi:10.1071/CH01108

Organometallic Complexes for Non-Linear Optics. XXVI Quadratic Hyperpolarizabilities of Some 4-Methoxytetrafluorophenylalkynyl Gold and Ruthenium Complexes

Stephanie K. Hurst, Nigel T. Lucas, Mark G. Humphrey^*, Inge Asselberghs, Roel Van Boxel, André Persoons

^*Corresponding author for this work

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

28 Citations (Scopus)

Abstract

The complexes [Au(4-C≡CC₆F₄OMe)(L)] [L = PMe₃ (1), PPh₃ (2)], trans-[Ru(4-C=CHC₆F₄OMe)Cl(dppm)₂]PF ₆ (3) and trans-[Ru(4-C≡CC₆F₄OMe)Cl(dppm)₂] (4) have been prepared and the identity of (2) was confirmed by a structural study. Electrochemical data for (3) and (4) suggest that the 4-C₆F₄OMe group lies midway between Ph and 4-C₆H₄NO₂ in electron-withdrawing strength. Quadratic non-linearities at 1064 nm, determined by the hyperRayleigh scattering technique, increase for co-ligand variation, in the order PPh₃ < PMe₃, in proceeding from (2) to (1), whereas data for the vinylidene/alkynyl complexes (3) and (4) are experimentally indistinguishable. The quadratic non-linear optical data for (1) and (2) are comparable to those of their 4-nitrophenylalkynyl analogues, however, (1) and (2) are more optically transparent.

Original language	English
Pages (from-to)	447-451
Number of pages	5
Journal	Australian Journal of Chemistry
Volume	54
Issue number	7
DOIs	https://doi.org/10.1071/CH01108
Publication status	Published - 2001

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title = "Organometallic Complexes for Non-Linear Optics. XXVI Quadratic Hyperpolarizabilities of Some 4-Methoxytetrafluorophenylalkynyl Gold and Ruthenium Complexes",

abstract = "The complexes [Au(4-C≡CC6F4OMe)(L)] [L = PMe3 (1), PPh3 (2)], trans-[Ru(4-C=CHC6F4OMe)Cl(dppm)2]PF 6 (3) and trans-[Ru(4-C≡CC6F4OMe)Cl(dppm)2] (4) have been prepared and the identity of (2) was confirmed by a structural study. Electrochemical data for (3) and (4) suggest that the 4-C6F4OMe group lies midway between Ph and 4-C6H4NO2 in electron-withdrawing strength. Quadratic non-linearities at 1064 nm, determined by the hyperRayleigh scattering technique, increase for co-ligand variation, in the order PPh3 < PMe3, in proceeding from (2) to (1), whereas data for the vinylidene/alkynyl complexes (3) and (4) are experimentally indistinguishable. The quadratic non-linear optical data for (1) and (2) are comparable to those of their 4-nitrophenylalkynyl analogues, however, (1) and (2) are more optically transparent.",

author = "Hurst, {Stephanie K.} and Lucas, {Nigel T.} and Humphrey, {Mark G.} and Inge Asselberghs and {Van Boxel}, Roel and Andr{\'e} Persoons",

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doi = "10.1071/CH01108",

language = "English",

volume = "54",

pages = "447--451",

journal = "Australian Journal of Chemistry",

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AU - Hurst, Stephanie K.

AU - Lucas, Nigel T.

AU - Humphrey, Mark G.

AU - Asselberghs, Inge

AU - Van Boxel, Roel

AU - Persoons, André

PY - 2001

Y1 - 2001

N2 - The complexes [Au(4-C≡CC6F4OMe)(L)] [L = PMe3 (1), PPh3 (2)], trans-[Ru(4-C=CHC6F4OMe)Cl(dppm)2]PF 6 (3) and trans-[Ru(4-C≡CC6F4OMe)Cl(dppm)2] (4) have been prepared and the identity of (2) was confirmed by a structural study. Electrochemical data for (3) and (4) suggest that the 4-C6F4OMe group lies midway between Ph and 4-C6H4NO2 in electron-withdrawing strength. Quadratic non-linearities at 1064 nm, determined by the hyperRayleigh scattering technique, increase for co-ligand variation, in the order PPh3 < PMe3, in proceeding from (2) to (1), whereas data for the vinylidene/alkynyl complexes (3) and (4) are experimentally indistinguishable. The quadratic non-linear optical data for (1) and (2) are comparable to those of their 4-nitrophenylalkynyl analogues, however, (1) and (2) are more optically transparent.

AB - The complexes [Au(4-C≡CC6F4OMe)(L)] [L = PMe3 (1), PPh3 (2)], trans-[Ru(4-C=CHC6F4OMe)Cl(dppm)2]PF 6 (3) and trans-[Ru(4-C≡CC6F4OMe)Cl(dppm)2] (4) have been prepared and the identity of (2) was confirmed by a structural study. Electrochemical data for (3) and (4) suggest that the 4-C6F4OMe group lies midway between Ph and 4-C6H4NO2 in electron-withdrawing strength. Quadratic non-linearities at 1064 nm, determined by the hyperRayleigh scattering technique, increase for co-ligand variation, in the order PPh3 < PMe3, in proceeding from (2) to (1), whereas data for the vinylidene/alkynyl complexes (3) and (4) are experimentally indistinguishable. The quadratic non-linear optical data for (1) and (2) are comparable to those of their 4-nitrophenylalkynyl analogues, however, (1) and (2) are more optically transparent.

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U2 - 10.1071/CH01108

DO - 10.1071/CH01108

M3 - Article

SN - 0004-9425

VL - 54

SP - 447

EP - 451

JO - Australian Journal of Chemistry

JF - Australian Journal of Chemistry

IS - 7

ER -

Organometallic Complexes for Non-Linear Optics. XXVI Quadratic Hyperpolarizabilities of Some 4-Methoxytetrafluorophenylalkynyl Gold and Ruthenium Complexes

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