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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Showing 1 to 2 of 2 (0.071 seconds)

Spelling suggestions: "subject:"cyanoscorpionate"" "subject:"cyanoscorpionates""

1

Synthesis and Characterization of a New Cyano-substituted Tris(pyrazolyl)borate and its Thallium(I) Complex

Som, Bozumeh 01 December 2013 (has links) (PDF)
A new cyanoscorpionate - tris(4-cyano-3,5-diphenylpyrazolyl)borate (TpPh2,4CN) has been synthesized and characterized. The thallium complex of this ligand TlTpPh2,4CN has also been prepared and characterized by FT-IR, 1H NMR, and single-crystal X-ray-diffraction. The complex TlTpPh2,4CN crystalized in the monoclinic space group C2/c with unit cell a = 14.6697(10) Å, b = 13.9493(10) Å, c = 19.3347(12) Å, and b= 91.761(2)°. Structural comparison of TlTpPh2,4CN with analogous complexes demonstrated the effects of both steric and electron-withdrawing substituents on coordination geometry and the electronic properties of the metal ion. There were short contacts between the cyano groups and neighboring thallium ions that also indicated the ligand’s potential to form coordination polymers.
Cyanoscorpionate
X-ray crystal structure
Poly(pyrazolyl)borate
Chemistry
Inorganic Chemistry
Polymer Chemistry
2

Cyanoscorpionates and Transition Metal Complexes.

Johnson, Donald Martin 13 August 2010 (has links) (PDF)
The new dihydrobis(4-cyano-3-tert-butylpyrazolylborate) ligand has been synthesized. Isolated crystals of the thallium complex were collected and structurally characterized by X-ray diffraction. Transition metal complexes of the ligand are currently under investigation.
Transition Metal Complex
Ligands
Magnetic Polymers
Material Science
Polypyrazolylborate
Conductive Polymer
Pyrazole
Cyanoscorpionate
Chemistry
Inorganic Chemistry
Physical Sciences and Mathematics

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