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- Assign the following molecules to point groups: (i) HF, (ii) IF7 (pentagonal bipyramid), (iii) CIF3 (T-shaped), (iv) Fe2(CO)9 (Image 3), (v) cubane (C8H8), (vi) tetrafluorocubane (C8H4F4) (Image 4).2. Use as a basis the valence pz orbitals on each atom in BF3 to a. Find the matrix representative of the operation C3. Take z as perpendicular to the molecular plane and C3 as counterclockwise rotation.b. find the character of the matrix representative for C3.The algebraic forms of the f orbitals are a radial function multiplied by one of the factors (a) z(5z2 − 3r2), (b) y(5y2 − 3r2), (c) x(5x2 − 3r2), (d) z(x2 − y2), (e) y(x2 − z2), (f) x(z2 − y2), (g) xyz. Identify the irreducible representations spanned by these orbitals in the point group C2v.
- Which of the following represents the HOMO in carbon monoxide (CO)? Why is the answer sigma star (antibonding)? I thought the HOMO was the highest occupied electron orbital, so why would the 2p pi level be wrong?Consider a N2 molecule in its first excited electronic state. (a) Identify the molecular orbitals involved and sketch a diagram to show the transition (b) Compare the bond order and bond length of N2* with N2, where the asterisk denotes the excited molecule. (c) Is N2* diagmagnetic or paramagnetic? (d) When N2* loses its excess energy and converts to the ground state N2, it emits a photon of wavelength 470 nm. Calculate the energy difference between these levels. thank you so muchMake sketches of the following showing approximately correct geometry and all valence shell electrons. Identify all symmetry elements present and determine the point group for the species (d) SO32-. (e)SF6 (f) IF5 (g) CIF3 (h) SO3 (i) CIO2- j) NSF this is the next sub part, A B and C is already answered.
- Which of the following is the point group for SF5Cl? A. C2v B. D2h C. D4v D. D4h E. C4vThe molecule PtCl 2 - is an important square planar starting material in synthetic inorganic chemistry. Using the p orbitals of Cl as the basis find the irreducible representations of the p orbitals and indicate which orbitals could possibly overlap with any of the orbitals on Pt . Assume that the pz orbitals on Cl are orientated in the same direction as the principle rotation axis, px orbitals are pointed at the Pt , and the py orbitals are orthogonal to the px orbitals. Show the characters of each orbital and identify which orbitals on Pt would match from a pure symmetry standpoint.P7.B* Sketch a MO energy level diagram for H2– in the ground state, show electrons by spin-arrows. Specify the number of unpaired electrons. Write down the ground-state electronic configuration for the anion and its MO wave function.
- cis [Fe(NH3)2(CO)2Br2] symmetry elements and point group?Relate the energies of the orbitals found (these we will use for building Molecular Orbital energy level diagrams) to Z*, also known as Zeff, determined by Slater’s rules . Please show calculations for the following: Na (find Zeff for 1s, 2s, and 3s electrons, 3 separate calculations) Si (find Zeff for 3s and 3p electrons, 2 separate calculations)Use as a basis the valence pz orbitals on each atom in BF3 to Find the matrix representative of the operation C3. Take z as perpendicular to the molecular plane and C3 as counterclockwise rotation. find the character of the matrix representative for C3.