Synthesis and optical characterisation of platinum(II) poly-yne polymers incorporating substituted 1,4-diethynylbenzene derivatives and an investigation of the intermolecular interactions in the diethynylbenzene molecular precursors

Muhammad S. Khan, Muna R A Al-Mandhary, Mohammed K. Al-Suti, Timothy C. Corcoran, Yaqoub Al-Mahrooqi, J. Paul Attfield, Neil Feeder, William I F David, Kenneth Shankland, Richard H. Friend, Anna Köhler, Elisabeth A. Marseglia, Emilio Tedesco, Chiu C. Tang, Paul R. Raithby, Jonathan C. Collings, Karl P. Roscoe, Andrei S. Batsanov, Lorna M. Stimson, Todd B. Marder

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Abstract

A series of 1,4-diethynylbenzene (1) derivatives, H-C≡C-R-C≡C-H with R = C6H3NH2 (2), C6H3F (3), C6H2F2-2,5 (4), C6F4 (5), C6H2(OCH3)2-2,5 (6) and C6H2(OnC8H17) 2-2,5 (7) has been synthesised and their crystal structures determined by single crystal (2-5) or powder (6, 7) X-ray diffraction. The C≡CH⋯πC≡=C hydrogen bonds dominating structure 1 are gradually replaced by C≡C-H⋯F ones with the increase of fluorination (3 → 5), or completely replaced by C≡CH⋯N and NH⋯πC≡C bonds in 2, and C≡CH⋯O in 6 and 7. The related platinum-based polymers, trans-[-Pt(PnBu3)2-C≡C-R-C≡C-]) n (R = as above and C6H4,) have been prepared and characterised by spectroscopic methods and thermogravimetry, which show that the amino- and methoxy-derivatives have lowest thermal stability while the fluorinated ones exhibit increasing thermal stability with increasing fluorination. Optical spectroscopic measurements reveal that substituents on the aromatic spacer group do not create strong donor-acceptor interactions along the rigid backbone of the organometallic polymers.

Original languageEnglish
Pages (from-to)140-149
Number of pages10
JournalNew Journal of Chemistry
Volume27
Issue number1
DOIs
Publication statusPublished - 2003

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Fluorination
Platinum
Polymers
Thermodynamic stability
Derivatives
Organometallics
Powders
Thermogravimetric analysis
Hydrogen bonds
Crystal structure
Single crystals
X ray diffraction
1,4-diethynylbenzene

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Synthesis and optical characterisation of platinum(II) poly-yne polymers incorporating substituted 1,4-diethynylbenzene derivatives and an investigation of the intermolecular interactions in the diethynylbenzene molecular precursors. / Khan, Muhammad S.; Al-Mandhary, Muna R A; Al-Suti, Mohammed K.; Corcoran, Timothy C.; Al-Mahrooqi, Yaqoub; Attfield, J. Paul; Feeder, Neil; David, William I F; Shankland, Kenneth; Friend, Richard H.; Köhler, Anna; Marseglia, Elisabeth A.; Tedesco, Emilio; Tang, Chiu C.; Raithby, Paul R.; Collings, Jonathan C.; Roscoe, Karl P.; Batsanov, Andrei S.; Stimson, Lorna M.; Marder, Todd B.

In: New Journal of Chemistry, Vol. 27, No. 1, 2003, p. 140-149.

Research output: Contribution to journalArticle

Khan, MS, Al-Mandhary, MRA, Al-Suti, MK, Corcoran, TC, Al-Mahrooqi, Y, Attfield, JP, Feeder, N, David, WIF, Shankland, K, Friend, RH, Köhler, A, Marseglia, EA, Tedesco, E, Tang, CC, Raithby, PR, Collings, JC, Roscoe, KP, Batsanov, AS, Stimson, LM & Marder, TB 2003, 'Synthesis and optical characterisation of platinum(II) poly-yne polymers incorporating substituted 1,4-diethynylbenzene derivatives and an investigation of the intermolecular interactions in the diethynylbenzene molecular precursors', New Journal of Chemistry, vol. 27, no. 1, pp. 140-149. https://doi.org/10.1039/b206946f
Khan, Muhammad S. ; Al-Mandhary, Muna R A ; Al-Suti, Mohammed K. ; Corcoran, Timothy C. ; Al-Mahrooqi, Yaqoub ; Attfield, J. Paul ; Feeder, Neil ; David, William I F ; Shankland, Kenneth ; Friend, Richard H. ; Köhler, Anna ; Marseglia, Elisabeth A. ; Tedesco, Emilio ; Tang, Chiu C. ; Raithby, Paul R. ; Collings, Jonathan C. ; Roscoe, Karl P. ; Batsanov, Andrei S. ; Stimson, Lorna M. ; Marder, Todd B. / Synthesis and optical characterisation of platinum(II) poly-yne polymers incorporating substituted 1,4-diethynylbenzene derivatives and an investigation of the intermolecular interactions in the diethynylbenzene molecular precursors. In: New Journal of Chemistry. 2003 ; Vol. 27, No. 1. pp. 140-149.
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abstract = "A series of 1,4-diethynylbenzene (1) derivatives, H-C≡C-R-C≡C-H with R = C6H3NH2 (2), C6H3F (3), C6H2F2-2,5 (4), C6F4 (5), C6H2(OCH3)2-2,5 (6) and C6H2(OnC8H17) 2-2,5 (7) has been synthesised and their crystal structures determined by single crystal (2-5) or powder (6, 7) X-ray diffraction. The C≡CH⋯πC≡=C hydrogen bonds dominating structure 1 are gradually replaced by C≡C-H⋯F ones with the increase of fluorination (3 → 5), or completely replaced by C≡CH⋯N and NH⋯πC≡C bonds in 2, and C≡CH⋯O in 6 and 7. The related platinum-based polymers, trans-[-Pt(PnBu3)2-C≡C-R-C≡C-]) n (R = as above and C6H4,) have been prepared and characterised by spectroscopic methods and thermogravimetry, which show that the amino- and methoxy-derivatives have lowest thermal stability while the fluorinated ones exhibit increasing thermal stability with increasing fluorination. Optical spectroscopic measurements reveal that substituents on the aromatic spacer group do not create strong donor-acceptor interactions along the rigid backbone of the organometallic polymers.",
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T1 - Synthesis and optical characterisation of platinum(II) poly-yne polymers incorporating substituted 1,4-diethynylbenzene derivatives and an investigation of the intermolecular interactions in the diethynylbenzene molecular precursors

AU - Khan, Muhammad S.

AU - Al-Mandhary, Muna R A

AU - Al-Suti, Mohammed K.

AU - Corcoran, Timothy C.

AU - Al-Mahrooqi, Yaqoub

AU - Attfield, J. Paul

AU - Feeder, Neil

AU - David, William I F

AU - Shankland, Kenneth

AU - Friend, Richard H.

AU - Köhler, Anna

AU - Marseglia, Elisabeth A.

AU - Tedesco, Emilio

AU - Tang, Chiu C.

AU - Raithby, Paul R.

AU - Collings, Jonathan C.

AU - Roscoe, Karl P.

AU - Batsanov, Andrei S.

AU - Stimson, Lorna M.

AU - Marder, Todd B.

PY - 2003

Y1 - 2003

N2 - A series of 1,4-diethynylbenzene (1) derivatives, H-C≡C-R-C≡C-H with R = C6H3NH2 (2), C6H3F (3), C6H2F2-2,5 (4), C6F4 (5), C6H2(OCH3)2-2,5 (6) and C6H2(OnC8H17) 2-2,5 (7) has been synthesised and their crystal structures determined by single crystal (2-5) or powder (6, 7) X-ray diffraction. The C≡CH⋯πC≡=C hydrogen bonds dominating structure 1 are gradually replaced by C≡C-H⋯F ones with the increase of fluorination (3 → 5), or completely replaced by C≡CH⋯N and NH⋯πC≡C bonds in 2, and C≡CH⋯O in 6 and 7. The related platinum-based polymers, trans-[-Pt(PnBu3)2-C≡C-R-C≡C-]) n (R = as above and C6H4,) have been prepared and characterised by spectroscopic methods and thermogravimetry, which show that the amino- and methoxy-derivatives have lowest thermal stability while the fluorinated ones exhibit increasing thermal stability with increasing fluorination. Optical spectroscopic measurements reveal that substituents on the aromatic spacer group do not create strong donor-acceptor interactions along the rigid backbone of the organometallic polymers.

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