2) Discuss the CO-stretching frequencies in the following complexes (for the carbene complexes the values are of the CO ligand trans to carbene). CH3 H3C Cr(CO) 6 (CO) = 2108 cm¯1 MeO Cr(CO)5 Fischer (CO) = 1953 cm¯¹ 'N -Cr(CO)5 CH3 (CO) = 1927 cm-1

2) Discuss the CO-stretching frequencies in the following complexes (for the carbene complexes the values are of the CO ligand trans to carbene). CH3 H3C Cr(CO) 6 (CO) = 2108 cm¯1 MeO Cr(CO)5 Fischer (CO) = 1953 cm¯¹ 'N -Cr(CO)5 CH3 (CO) = 1927 cm-1

Chemistry

10th Edition

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

2) Discuss the CO-stretching frequencies in the following complexes (for the carbene complexes
the values are of the CO ligand trans to carbene).
CH3
H3C
Cr(CO)6
(CO) = 2108 cm¯¹
MeO
Cr(CO)5
Fischer
V(CO) = 1953 cm¯¹
>>
N
-Cr(CO)5
CH3
(CO) = 1927 cm-1

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