Synthesis and Characterization of Pt(CN-p- (C2H5)C6H4)2(CN)2

Location

CSU 253

Start Date

13-4-2004 10:30 AM

End Date

13-4-2004 12:00 PM

Student's Major

Chemistry and Geology

Student's College

Science, Engineering and Technology

Mentor's Name

Marie Pomije

Mentor's Department

Chemistry and Geology

Mentor's College

Science, Engineering and Technology

Description

The development of reversible chemical sensor materials with high stability have received increasing attention. Materials that show dramatic and reversible color changes in the visible or near-infrared (near-IR) spectral regions upon exposure to volatile organic compounds (VOCs) are of particular interest due to potential applications in monitoring waste sites and chemical generating facilities. This research studies platinum-based compounds which exhibit vapochromic behavior.

A new synthesis of trans-dicyano bis(isocyanoparaethylbenzene) platinum(II), Pt(CN-p- (C2H5)C6H4)2(CN)2 is presented. The previously reported route using thermal rearrangement predominately generated the cis isomer.1 This new route can be utilized to predominately generate the trans isomer. Additional studies elucidating the thermal rearrangement of the trans isomer to the cis isomer will be presented. Trans-Pt(CN-p-(C2H5)C6H4)2(CN), was characterized by single crystal X-ray crystallography, 1H NMR spectroscopy, infrared spectroscopy and mass spectroscopy.

1.Buss, C.E.; Mann, K.R. "Synthesis and Characterization of Pt(CN-p-(C2H5)C6H4),(CN)2, a Crystalline Vapoluminescent Compound That Detects Vapor-Phase Aromatic Hydrocarbons." J. Am. Chem. Soc. 2002, 124, 1031-1039

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Apr 13th, 10:30 AM Apr 13th, 12:00 PM

Synthesis and Characterization of Pt(CN-p- (C2H5)C6H4)2(CN)2

CSU 253

The development of reversible chemical sensor materials with high stability have received increasing attention. Materials that show dramatic and reversible color changes in the visible or near-infrared (near-IR) spectral regions upon exposure to volatile organic compounds (VOCs) are of particular interest due to potential applications in monitoring waste sites and chemical generating facilities. This research studies platinum-based compounds which exhibit vapochromic behavior.

A new synthesis of trans-dicyano bis(isocyanoparaethylbenzene) platinum(II), Pt(CN-p- (C2H5)C6H4)2(CN)2 is presented. The previously reported route using thermal rearrangement predominately generated the cis isomer.1 This new route can be utilized to predominately generate the trans isomer. Additional studies elucidating the thermal rearrangement of the trans isomer to the cis isomer will be presented. Trans-Pt(CN-p-(C2H5)C6H4)2(CN), was characterized by single crystal X-ray crystallography, 1H NMR spectroscopy, infrared spectroscopy and mass spectroscopy.

1.Buss, C.E.; Mann, K.R. "Synthesis and Characterization of Pt(CN-p-(C2H5)C6H4),(CN)2, a Crystalline Vapoluminescent Compound That Detects Vapor-Phase Aromatic Hydrocarbons." J. Am. Chem. Soc. 2002, 124, 1031-1039