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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 each of the following molecules or ions, whose shapes can be determined by use of valence-shell electron-pair repulsion. (VSEPR) theory: (a) SeF5. (b) CIF, (c) ASF, (d) XeF₂, (e) XeF4. (f) BeF3. (g) SiF2, (h) OCN, (i) ASCI, (j) OSF4, (k) trans-FNNF, (1) cis-FNNF, (m) CISSCI (nonplanar), (n) S₂O3, (o) trans-(OH)4XeO₂. ww Identify the point group for each of the following Fe³+ complexes with the biden- tate oxalate ligand (ox = C₂O2). Where allowed by the point group, determine which complexes are chiral. [Hint: Use models to help identify the point group and to verify the existence of enantiomers.] (a) tris(oxalato)ferrate(III), [Fe(ox);]³ (b) trans-dichlorobis(oxalato)ferrate(III). [FeCl₂(ox)₂³ (c) cis-dichlorobis(oxalato)ferrate(III), [FeCl₂(ox)₂] (d) cis-dibromo-trans-dichlorooxalatoferrate (III). [FeBr₂Cl₂ox]³ (e) cis-dibromodichlorooxalatoferrate(III), [FeBr₂Cl₂ox]³.Ims.uop.ed Which of the following point groups would make a molecule to be polar? Select one: O D4h O C3v OTa The "group-theoretical" criterion of chirality in a molecule is: Select one:
- To what point group does the square - pyramidal ion [NI(CN)s] belong? Select one: A. C5v B. D5h С. СAV D. Dad E. D4h17. Determine point group for next molecules Methane HydrazineQ3: XeF40 belong to the point group C4v, Determine: a. DOF. b. # of vibrations. * c. vibrational modes (vib). [ knowing that FN=4 A₁ + A₂+2B₁ + B₂ + 5E].
- Draw the Lewis structure of the following compounds and identify the point group. Indicate the symmetry operations you performed in determining the point groups.a. 1,8-Dichloronaphthaleneb. Eclipsed dibenzenechromium (Hint: The Cr atom is sandwiched between the two-benzene ring in eclipsed conformation.)c. Borazine (B3H6N3) (Hint: The structure looks like benzene, but instead of C, B and N are the atoms in alternating order.)State the point group for the following compounds. Explain your answe. (i) Trans-tetrakarbonildikloromangan(II). Trans-tetracarbonyldichloromanganese(). (ii) Tetrakloronikelat(1). Tetrachloronickelate(1I)5. Assign the point groups of the following molecules: a) H₂O₂ b) CHCl3 c) Sg 4 I!!!... phases: + = -= H H Cl 6. Assign the point groups and characters for the following: b) IF5 a) C₂H6 III. H H CL H CL H ↑ S IIII.. d) Fe(C5H5)2 view from above: ...2...