Thallium(I) complexes of cyano-substituted bispyrazolylborate ligands
Johnson, Donald M. Eichhorn, David M. Moore, Curtis E. Mwania, Tom M. Zhao, Ningfeng
Johnson, Donald M.
Eichhorn, David M.
Moore, Curtis E.
Mwania, Tom M.
Zhao, Ningfeng
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2012-07
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Article
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Keywords
Polypyrazolylborate,Thallium,Cyano substitute,Weak interactions
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Johnson, Donald M.; Eichhorn, David M.; Moore, Curtis E.; Mwania, Tom M. & Ningfeng, Zhao. 2012. Thallium(I) Complexes of Cyano-Substituted Bispyrazolylborate Ligands, JOURNAL OF CHEMICAL CRYSTALLOGRAPHY, Volume 42, Number 7 (2012), 746-751, DOI: 10.1007/s10870-012-0310-0
Abstract
Two thallium scorpionate complexes: dihydrobis(3-phenyl-4-cyanopyrazolyl)boratothallium(I) (TlBp(Ph,4CN)), C20H14BN6Tl and dihydrobis(3-tert-butyl-4-cyanopyrazolyl)boratothallium(I) (TlBp (t-Bu,4CN)), C16H22BN6Tl have been prepared and characterized by X-ray diffraction. Both compounds crystallize in monoclinic space groups, TlBp(Ph,4CN) in P2(1)/n with a = 4.2039(3) , b = 26.2211(17) , c = 16.611(1) , beta = 90.199(3)A degrees, and TlBp (t-Bu,4CN) in P2(1)/c with a = 13.8578(5) , b = 9.6741(4) , c = 14.2790(5) , beta = 95.141(2)A degrees. The two complexes show similar structures with elongated metal-ligand bonds and intermolecular interactions between the metal ion and cyano substituents, allowing the potential construction of cyano-bridged coordination polymers.
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Springer
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JOURNAL OF CHEMICAL CRYSTALLOGRAPHY;2012, Vol.42, No.7
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1074-1542
1572-8854
1572-8854