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Why are the chiral carbons (S) and (R)? Shouldn't they be both (S)?
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- the quantam averbors (^,2 the follo ing Deler mine ,4pin) of A.) B 2) Li 5) Hg 3.) AlWhich of the following MO's correctly depicts the lowest unoccupied (LUMO) MO for the shown cation? (A) (B) (C) (D) 88 !! +Following the pattern of Figure 6.21, work out the correlation diagram for the CN molecule, showing the relative energy levels of the atoms and the bonding and anti-bonding orbitals of the molecule. Indicate the occupation of the MOs with arrows. State the order of the bond and comment on the magnetic properties of CN.
- Q1 Explain step-wise showing all detailed solutions (a) Explain the difference in the dipole moments of: BrF(1.29D) & BrCl(0.52D), H2O(1.86D) & H2S(0.95D) (b) Explain why these sets of quantum number could not occur (n, I, ml, ms): 3,2,0,-1/2 and 2,0,0,+1/2(5) State ith steason why eyelooctatetsi ane though being gystem is a non asromatic compound? mp. 4h 18 a nOn ANS:1. For each of the following molecules, list the symmetry elements present and assign its point group. (a) CH3 Cu (assume planar, ignore Hs) H3C (b) SF3C1 (c) BFCIB (planar molecule) (d) CI NH, CHPL-Cl NH3 (f) NH3 CH Pt NH3 CI
- The ground-state electron configuration of He; is (o,1s)´(0,1s)' . Calculate the bond order of He;. (A) 3/2 (B) 1/2 (C) 1 (D) -1/21 Question Write the energy of each of the following determinants in terms of the one-electron integral h and the two-electron integrals J and K. to 23 2 1 (a) (b) (c) (d) (e) • (a) • (b) • (c) • (d) • (e) 2 Question For the following molecules, write the total number of basis functions using the indicated basis sets. Basis STO-3G HF H20 6-31G сс-pVDZ cc-PVTZ aug-cc-PVDZ ItIdentify the LUMO in the MO diagram of F, (shown below). Op A) σ (2s orbitals) B) o (2pz orbitals) - Ttp C) п (2рх and 2ру) Op D) T* (2px and 2py) E) o* (2pz)