8.39 How many possible isomers are there of the ion IO2F3²¯? Sketch these, and indicate the point group for each. The observed ion has IR-active iodine-oxygen stretches at 802 and 834 cm-1. What does this indicate about the most likely structure? (See J. P. Mack, J. A. Boatz, M. Gerken, Inorg. Chem., 2008, 47, 3243.
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- Structural isomers can have very different point groups. There are three isomers of dichlorobenzene. Identify the point groups of the three isomers.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.Structural isomers can have very different point groups. Determine the point groups of 1,4cyclohexadiene and 1,3cyclohexadiene, which both have the molecular formula C6H8.
- 4.30 The structure of 1,1,2,2-tetraiododisilane is shown here. (Reference: T. H. Johansen, K. Hassler, G. Tekautz, K. Hagen, J. Mol. Struct., 2001, 598, 171.) H I- Si -Si I H a. What is the point group of this molecule? b. Predict the number of IR-active Si-I stretching vibrations. c. Predict the number of Raman-active Si-I stretching vibrations.To what point group does the square - pyramidal ion [NI(CN)s] belong? Select one: A. C5v B. D5h С. СAV D. Dad E. D4hAssign molecules to point groups: a.) C5N6+ (pyridinium)b.) [B12H12]2-c.) C8H8 (tub configuration)d.) H3CCF3 (eclipsed, staggered and gauche)e.)[Co(CN)5]3-f.) cis-[PtCl2Br2] (square planar)g.) 1,1'-dichloroferrocene (all unique staggered, eclipsed and gauche isomers) Please and thank you!
- The staggered ethane molecule C,Hg has D3d symmetry a. Derive the reducible representation G for the ligand group orbitals (LGO) of H. b. Which irreducible representations can produce the O derived in part a c. Derive the LGO's and draw them.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:Assign the point group of the following coordination compounds: a) Cl. b) d) CI-Hg-Hg-ci 3- 2- 2+ ÇN NH3 H3N., Co* 'NH3 NH3 g) NC-Ni..iCN CN ČN h) Cu.."Br e) f) H3N Br Br CO j) H3N-Ag-NH3 i) OC-FeNO ON CO
- ( A 19. Find the point groups of the following molecules: Bri Br CI G W CI Br Br B Br.... Br CI Br F CI Br C Br... Br Br W CI CI CI D Brassymetric CI Cli Chu..... Br W Br CIState the point group for the following compounds. Explain your answe. (i) Trans-tetrakarbonildikloromangan(II). Trans-tetracarbonyldichloromanganese(). (ii) Tetrakloronikelat(1). Tetrachloronickelate(1I)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.