Concept explainers
Using orbital potential energies, show that group orbital 4 is more likely than group orbital 2 to interactstrongly with the
The
orbitals of oxygen. Therefore, group orbital 6 is nonbonding.
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Inorganic Chemistry
- The photoelectron spectrum of HBr has two main groups of peaks. The first has ionization energy 11.88 eV. The next peak has ionization energy 15.2 eV, and it is followed by a long progression of peaks with higher ionization energies. Identify the molecular orbitals corresponding to these two groups of peaks.arrow_forwardThe B2 molecule is paramagnetic; show how this indicates that the energy ordering of the orbitals in this molecule is given by Figure 6.18a rather than 6.18b.arrow_forwardThe molecular orbital diagram of NO shown in Figure 10.47 also applies to OF. Draw the complete molecular orbital diagram for OF. What is the OF bond order? Figure 10.47 Molecular orbital diagram for nitric oxide (NO). The molecular orbital diagram for NO predicts a bond order of 2.5 and predicts that the molecule is paramagnetic with one unpaired electron. These predictions are verified by experimental measurements.arrow_forward
- The diatomic molecule OH exists in the gas phase. The bond length and bond energy have been measured to be 97.06 pm and 424.7 kJ/mol, respectively. Assume that the OH molecule is analogous to the HF molecule discussed in the chapter and that molecular orbitals result from the overlap of a lowerenergy pz, orbital from oxygen with the higher-energy ls orbital of hydrogen (the OH bond lies along the z-axis). a. Which of the two molecular orbitals will have the greater hydrogen 1s character? b. Can the 2px orbital of oxygen form molecular orbitals with the 1s orbital of hydrogen? Explain. c. Knowing that only the 2p orbitals of oxygen will interact significantly with the 1s orbital of hydrogen, complete the molecular orbital energy-level diagram for OH. Place the correct number of electrons in the energy levels. d. Estimate the bond order for OH. e. Predict whether the bond order of OH+ will be greater than, less than, or the same as that of OH. Explain.arrow_forwardBromine forms a number of oxides of varying stability. (a) One oxide has 90.90% Br and 9.10% O. Assuming its empirical and molecular formulas are the same, draw a Lewis structure of the molecule and specify the hybridization of the central atom (O). (b) Another oxide is unstable BrO. Assuming the molecular orbital diagram in Figure 9. 16 applies to BrO, write its electron configuration (where Br uses 45 and 4p orbitals). What is the highest occupied molecular orbital (HOMO) for the molecule?arrow_forwardThe 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.arrow_forward
- what is the bond order and highest occupied molecular orbital of PS (phosphorous and sulfur containing species, PS)arrow_forward(1) Show the all shapes of bonding and antibonding molecular orbitals (MOS) by combinations of two p orbitals. (2) Describe the sigma (ơ) and pi (x) bond for ethylene (C2H4). -arrow_forwardSO₂ molecule S Cau z - Determine the projection for the oxygen Px. Orbitals C2U E Ca ov(x2) ou (x2) PA Y b) Determine the a₂ & b, SALC's and the Shape of their LGO's. pz group orbitals for SO3 will reduce to pz = A₂ + B₁ X Oxygen pz group orbitalsarrow_forward
- 4. (a) Use the simple one-electron molecular orbital method, including overlap, to calculate the energies of the molecular orbitals of the hydrogen molecule (H2) in terms of α, β and S?arrow_forwardIn the construction of molecular orbital diagram involving a hypervalence system of hexafluoro sulphur, only 12 valence electrons are distributed across the molecular orbitals. Explain why this is so?arrow_forwardCan nitrogen undergo sp3d or sp3d2 hybridization? Explain.arrow_forward
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