Problem Set Solution (3)

Problem Set Solution (3) - Ch112 Fall 2013 Problem Set 2...

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Ch112, Fall 2013 Problem Set 2 Due: Tuesday, October 15, 2013 before class Reading: M&T, p. 81-97 (Sections 4-1 and 4-2); H&B p. 6-10, 14-35. NOTE: You may NOT use character tables on this problem set. You are encouraged to consult the solutions to Problem Set 1. You are also encouraged to use model kits that are available in the Millikan Library and 204 Noyes. Assume the conformation shown, and that amine and methyl groups are spheres and do not destroy symmetry elements otherwise present unless they are explicitly drawn in. I. Assign point groups to the following molecules from Problem Set 1 (consider all molecules static): a. CNCH 3 b. [XeF 3 ] + c. BF 3 d. [O 2 IF 2 ] - e. OClF 3 f. C 3 H 2 (NCH 3 ) 2 (N-heterocyclic carbene) g. NSF h. P 4 i. [NO 2 ] + II. Assign point groups to the following molecules (consider all molecules static):
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Unformatted text preview: a. ≡ b. (assume resonance delocalization of porphyrin, and phenyl rings are perpendicular to porphyrin ring) c. ≡ d. S 8 e. CO f. Cisplatin g. Transplatin h. methyferrocene i. 1,1’-dimethylruthenocene j. k. [Cu(NCMe) 4 ] + l. m. n. o. Dengue virus p. α-cyclodextrin III. A recent theoretical study on aqua complexes of Cu 2+ suggested that one probable structure is a [Cu(H 2 O) 4 ] 2+ complex whose geometry is distorted from T d : Determine the point group of the distorted [Cu(OH 2 ) 4 ] 2+ complex, assuming the water molecules do not destroy symmetry elements otherwise present. Draw the symmetry elements and determine the symmetry operations (8 in all), then complete the multiplication table below. ____ E C 2 σ d E C 2 σ d...
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