Draw a Lewis structure and determine the point group for each of the following molecules. Indicate formal charges for ions. Indicate 3D stereochemistry by drawing solid and hashed bonds. a. XeO3 b. SOF4 c. ClOF2+ d. XeO2F2 e. TeF42-
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Draw a Lewis structure and determine the point group for each of the following molecules. Indicate formal charges for ions. Indicate 3D stereochemistry by drawing solid and hashed bonds.
a. XeO3
b. SOF4
c. ClOF2+
d. XeO2F2
e. TeF42-
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- Determine the point groups of the following molecules. a Fe(CO)5, which has a trigonal bipyramidal structure, b CO32, which has three resonance structures that contribute to its overall shape, c The perfectly staggered conformation of ethane, d The perfectly eclipsed conformer of ethane.Determine the point group of the following molecules. a cis1,2 Dichloroethylene b trans1,2 Dichloroethylene c Toluene, C6H5CH3 d 1,3-Cyclohexadiene.7. Specify the point group of each of the following species. Br CI F P CH3 Fl.. F C F H CI CI CI Br F F (A) (В) (D)
- 3. Assign each molecule or ion to its proper point group. a. cyclopropylene b. aziridine (hint: be very mindful of lone pairs) c. NbF,2-I. Determine the point groups of the following: (found in NH, 1,) D. Tellurium tetrachloride A. Tetrafluoracubane II. Determine the following direct product representations, reducing any reducible ones. 1. On, T1u X Eg D3d, A1g X A2u X Eu 2.3. jẩsẩeẩajch molecule or ion to its proper point group. a. XeO6 (perxenate) b. BRF5 c. j ẩtjhroline d. cyclopentadienyl anion
- 1. Assign the point group to the following molecules. * * co OH2 2+ H3N,,. NH3 Mo H;N co OH2 H20-Co-CI H,0 ÓH2 CO a. b. F H. d. f. Br CI OH CI Br OH g. h.The point group of [PtCl2Br2]2 , trans and square planar, is: а. Td b. C2h С. D2h d. Cs7. The following character table (accompanied by a molecule of the corresponding point group) has some missing information. E 2 C3 3 C2 ? 2 S3 3 oy X1 1 1 1 1 1 x2+ y?, z2 A2 1 1 -1 1 -1 Rz E' 2 -1 2 -1 (х, у) (x2- у?, ху) A," 1 X2 1 -1 -1 -1 A2" 1 1 -1 -1 -1 1 X3 BH3 E" 2 -1 -2 1 (Rx, Ry) (zx, yz) а. Based on symmetry labels and Mulliken symbols, what is the missing symmetry element? b. Provide the missing information in the table: i. X1 = ii. X2 = iii. X3 = С. For this point group, what is the symmetry of the following orbitals for an atom located along the main C3 axis? i. А Рх orbital: ii. A d,? orbital: iii. A dxy orbital:
- 4. Describe an object in nature (not a molecule or ion!) whose symmetry corresponds to each of the following point groups, and give a brief explanation why. а. С, b. C2v C. D4hSO2 belongs to which point group? S. C2v.A O C2h .BO Dooh.cO C2.DO. Specify the point group of each of the following species. Br Br F Fl. Fli. Br CI CI F Br CI (A) (В) (C) (D)