3. (8 pts) The rhodium hydride complex [Rh(H)(CO)(PPh3)3] is a potent catalyst for a variety of organic reactions. The hydride is observed in the 'H NMR spectrum as a doublet of quartets and the PPh3 resonance in the 31P NMR spectrum is observed as a doublet of doublets. Given the nuclear spin and abundancies of the following nuclei: 'H: /= ½, 99.9%; 13C:/= 12, 1.0%; ³¹P:/= ½, 100%; 103 Rh: /= ½, 100%; rationalize the coupling observed for the hydride resonance in the 'H spectrum and the PPh3 resonance in the 31P spectrum. Predict the structure and point group of the rhodium complex and explain your choice.
3. (8 pts) The rhodium hydride complex [Rh(H)(CO)(PPh3)3] is a potent catalyst for a variety of organic reactions. The hydride is observed in the 'H NMR spectrum as a doublet of quartets and the PPh3 resonance in the 31P NMR spectrum is observed as a doublet of doublets. Given the nuclear spin and abundancies of the following nuclei: 'H: /= ½, 99.9%; 13C:/= 12, 1.0%; ³¹P:/= ½, 100%; 103 Rh: /= ½, 100%; rationalize the coupling observed for the hydride resonance in the 'H spectrum and the PPh3 resonance in the 31P spectrum. Predict the structure and point group of the rhodium complex and explain your choice.
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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![3. (8 pts) The rhodium hydride complex [Rh(H)(CO)(PPh3)3] is a potent catalyst for a variety
of organic reactions. The hydride is observed in the 'H NMR spectrum as a doublet of
quartets and the PPh3 resonance in the 31P NMR spectrum is observed as a doublet of
doublets. Given the nuclear spin and abundancies of the following nuclei: 'H: /= ½,
99.9%; 13C:/= 12, 1.0%; ³¹P:/= ½, 100%; 103 Rh: /= ½, 100%; rationalize the coupling
observed for the hydride resonance in the 'H spectrum and the PPh3 resonance in the 31P
spectrum. Predict the structure and point group of the rhodium complex and explain
your choice.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F65e49601-06b3-40cd-9c9b-c94afa337257%2F907c3676-913f-42de-978a-0753eeef212c%2F8ssmnn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3. (8 pts) The rhodium hydride complex [Rh(H)(CO)(PPh3)3] is a potent catalyst for a variety
of organic reactions. The hydride is observed in the 'H NMR spectrum as a doublet of
quartets and the PPh3 resonance in the 31P NMR spectrum is observed as a doublet of
doublets. Given the nuclear spin and abundancies of the following nuclei: 'H: /= ½,
99.9%; 13C:/= 12, 1.0%; ³¹P:/= ½, 100%; 103 Rh: /= ½, 100%; rationalize the coupling
observed for the hydride resonance in the 'H spectrum and the PPh3 resonance in the 31P
spectrum. Predict the structure and point group of the rhodium complex and explain
your choice.
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