Short hydrogen bond: Spectral studies and X-ray structure of bis(alpha-picoline N-oxide)-hydronium tetrachloroaurate(III)

M. Sakhawat Hussain; Saud A. Aziz Al-Hamoud

doi:10.1016/S0020-1693(00)82546-3

Short hydrogen bond: Spectral studies and X-ray structure of bis(alpha-picoline N-oxide)-hydronium tetrachloroaurate(III)

M. Sakhawat Hussain^*
, Saud A. Aziz Al-Hamoud

^*Corresponding author for this work

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

13 Scopus citations

Abstract

Spectral and the X-ray diffraction studies of the title compound [H(2-picNO)₂] [AuCl₄] (2-picNO = alpha-picoline N-oxide) were done to investigate the short hydrogen bond in the dimeric cation [H(2-picNO)₂]⁺. The compound exhibits several narrow transmission bands overlaid on a broad continuous absorption characteristic of a short hydrogen bond; it crystallizes with four molecules in a monoclinic unit cell of space group P2₁/n with lattice parameters a = 22.376(9), b = 9.874(6), c = 7.957(5) Å and β = 94.98(6)°. The structure was solved using 2623 data points collected on a CAD4 to the final value for R(F_o) = 0.039. The structure consists of discrete [AuCl₄]^- and [H(2-picNO)₂]⁺ ions. Contrary to all known examples, the dimeric cation in this compound has a short hydrogen bond having no symmetry constraints making the present structural analysis unique in this series of compounds. The O-O distance is 2.393(6) Å and the dihedral angle between the two planar 2-picNO moieties in the cation is 44.1°. The [AuCl₄]^- anion is planar with an average AuCl distance of 2.268(2) Å. The infrared spectrum and the structure of the compound is compared with the related structures.

Original language	English
Pages (from-to)	111-117
Number of pages	7
Journal	Inorganica Chimica Acta
Volume	82
Issue number	1
DOIs	https://doi.org/10.1016/S0020-1693(00)82546-3
State	Published - 1 Feb 1984
Externally published	Yes

Bibliographical note

Funding Information:
This research was supported by the University of Petroleum and Minerals through Grant CY/ ORGOMETL/64. The authors are thankful to Mr Mazhar Hasan for assistance at some stages of this work.

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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@article{0dce510cdb7f42ec8c386b43df046773,

title = "Short hydrogen bond: Spectral studies and X-ray structure of bis(alpha-picoline N-oxide)-hydronium tetrachloroaurate(III)",

abstract = "Spectral and the X-ray diffraction studies of the title compound [H(2-picNO)2] [AuCl4] (2-picNO = alpha-picoline N-oxide) were done to investigate the short hydrogen bond in the dimeric cation [H(2-picNO)2]+. The compound exhibits several narrow transmission bands overlaid on a broad continuous absorption characteristic of a short hydrogen bond; it crystallizes with four molecules in a monoclinic unit cell of space group P21/n with lattice parameters a = 22.376(9), b = 9.874(6), c = 7.957(5) {\AA} and β = 94.98(6)°. The structure was solved using 2623 data points collected on a CAD4 to the final value for R(Fo) = 0.039. The structure consists of discrete [AuCl4]- and [H(2-picNO)2]+ ions. Contrary to all known examples, the dimeric cation in this compound has a short hydrogen bond having no symmetry constraints making the present structural analysis unique in this series of compounds. The O-O distance is 2.393(6) {\AA} and the dihedral angle between the two planar 2-picNO moieties in the cation is 44.1°. The [AuCl4]- anion is planar with an average AuCl distance of 2.268(2) {\AA}. The infrared spectrum and the structure of the compound is compared with the related structures.",

author = "Hussain, \{M. Sakhawat\} and \{Aziz Al-Hamoud\}, \{Saud A.\}",

note = "Funding Information: This research was supported by the University of Petroleum and Minerals through Grant CY/ ORGOMETL/64. The authors are thankful to Mr Mazhar Hasan for assistance at some stages of this work.",

year = "1984",

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doi = "10.1016/S0020-1693(00)82546-3",

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T2 - Spectral studies and X-ray structure of bis(alpha-picoline N-oxide)-hydronium tetrachloroaurate(III)

AU - Hussain, M. Sakhawat

AU - Aziz Al-Hamoud, Saud A.

N1 - Funding Information: This research was supported by the University of Petroleum and Minerals through Grant CY/ ORGOMETL/64. The authors are thankful to Mr Mazhar Hasan for assistance at some stages of this work.

PY - 1984/2/1

Y1 - 1984/2/1

N2 - Spectral and the X-ray diffraction studies of the title compound [H(2-picNO)2] [AuCl4] (2-picNO = alpha-picoline N-oxide) were done to investigate the short hydrogen bond in the dimeric cation [H(2-picNO)2]+. The compound exhibits several narrow transmission bands overlaid on a broad continuous absorption characteristic of a short hydrogen bond; it crystallizes with four molecules in a monoclinic unit cell of space group P21/n with lattice parameters a = 22.376(9), b = 9.874(6), c = 7.957(5) Å and β = 94.98(6)°. The structure was solved using 2623 data points collected on a CAD4 to the final value for R(Fo) = 0.039. The structure consists of discrete [AuCl4]- and [H(2-picNO)2]+ ions. Contrary to all known examples, the dimeric cation in this compound has a short hydrogen bond having no symmetry constraints making the present structural analysis unique in this series of compounds. The O-O distance is 2.393(6) Å and the dihedral angle between the two planar 2-picNO moieties in the cation is 44.1°. The [AuCl4]- anion is planar with an average AuCl distance of 2.268(2) Å. The infrared spectrum and the structure of the compound is compared with the related structures.

AB - Spectral and the X-ray diffraction studies of the title compound [H(2-picNO)2] [AuCl4] (2-picNO = alpha-picoline N-oxide) were done to investigate the short hydrogen bond in the dimeric cation [H(2-picNO)2]+. The compound exhibits several narrow transmission bands overlaid on a broad continuous absorption characteristic of a short hydrogen bond; it crystallizes with four molecules in a monoclinic unit cell of space group P21/n with lattice parameters a = 22.376(9), b = 9.874(6), c = 7.957(5) Å and β = 94.98(6)°. The structure was solved using 2623 data points collected on a CAD4 to the final value for R(Fo) = 0.039. The structure consists of discrete [AuCl4]- and [H(2-picNO)2]+ ions. Contrary to all known examples, the dimeric cation in this compound has a short hydrogen bond having no symmetry constraints making the present structural analysis unique in this series of compounds. The O-O distance is 2.393(6) Å and the dihedral angle between the two planar 2-picNO moieties in the cation is 44.1°. The [AuCl4]- anion is planar with an average AuCl distance of 2.268(2) Å. The infrared spectrum and the structure of the compound is compared with the related structures.

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ER -

Short hydrogen bond: Spectral studies and X-ray structure of bis(alpha-picoline N-oxide)-hydronium tetrachloroaurate(III)

Abstract

Bibliographical note

ASJC Scopus subject areas

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