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Synthesis and crystal structure of Pr(mpo)3(DMSO)2 (Hmpo = 2-mercaptopyridine N-oxide)

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Abstract

A novel rare earth metal complex of 2-mercaptopyridine N-oxide (Hmpo) was synthesized and characterized by single crystal X-ray diffraction, element analysis, and IR spectroscopy. The complex Pr(mpo)3(DMSO)2 (Hmpo = 2-mercaptopyridine N-oxide) (DMSO = dimethyl sulfoxide) (C19H24N3O5S5Pr) crystallizes in the triclinic system, space group \(P\overline 1\) with lattice parameters a = 9.570(2), b = 9.902(2), c = 15.743(3) Å. α = 89.00(3), β = 85.54(3), γ = 62.97(3)°, D c =1.694 g⋅cm−3, Mr = 675.62, Z = 2. The coordination number of praseodymium (III) is eight, and its coordination geometry is a somewhat distorted bicapped trigonal prism. Surrounding Pr atom, three five-membered ring planes (Py, O, N, C, S) make dihedral angle of 84.86(7), 75.10(6), and 11.06(9)° respectively. One DMSO molecule is disordered and situated along a twofold axis with half-occupancy (occupation factor, G=0.5).

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Authors and Affiliations

  1. Department of Chemistry, Xuzhou Normal University, Xuzhou, 221009, People's Republic of China

    De-Zhong Niu, Lai-Long Mu, Zai-Sheng Lu, Bao-Ling Song & Bai-Wang Sun

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  1. De-Zhong Niu
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  2. Lai-Long Mu
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  3. Zai-Sheng Lu
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  4. Bao-Ling Song
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  5. Bai-Wang Sun
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Correspondence to De-Zhong Niu.

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Niu, DZ., Mu, LL., Lu, ZS. et al. Synthesis and crystal structure of Pr(mpo)3(DMSO)2 (Hmpo = 2-mercaptopyridine N-oxide). Journal of Chemical Crystallography 34, 195–198 (2004). https://doi.org/10.1023/B:JOCC.0000021564.08992.79

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  • DOI: https://doi.org/10.1023/B:JOCC.0000021564.08992.79

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