Label the valence AOs shown, build from them a molecular orbital diagram for each diatomicparticle, label MOs by their type, fill in the valence e s as arrows, calculate the MO bond order,and decide if the diatomic may exist or not :MO diagram for HLiMO diagram for LIMGAO of HMOs of HLiAO of LiAO of LiMOs of LIMGAO of MgMO bond order:May exist?MO bond order:May exist?

Answered: Label the valence AOs shown, build from…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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The atomic orbital, AO, contributions of penta-1,3-dienyl cation (shown to the right) are drawn in random order below. Using the A-E labels: (a) match the AO contributor to the MO energy diagram levels, (b) next to the MO diagram levels, identify each π MO as either bonding, nonbonding, or antibonding, (c) populate the T electrons in the appropriate MO energy levels, and (d) label the HOMO and the LUMO. 8 8 8 8 A (11 o* MOs) |||| (11 g Mos) B с D E
3. According to MO theory, which molecule or ion shown below has the highest bond order? Highest bond energy? Shortest bond strength? O2, C2-, O2^2- Draw MO energy diagrams for each of the species above and show your calculation or bond order. Also predict the magnetic properties in each case. Thank you very much.
In a diatomic molecule, a molecular orbital with electron density which is radially symmetrical about the bond axis, has e density in the bond axis, and pulls the molecule together is always shaped like a donut Which kind of MO always has a planar node? Ол On* O two of the above
Sigma Bonding Ao bond arises from the straight-on overlap of two atomic orbitals. The electron density lies along the axis of the two bonded uclei. sp3 hybrid orbital Example: Sigma Bonding in methane, CH 1s orbital What atomic or hybrid orbitals make up the sigma bond between C, and Cl in dichloroethylene, CH,CCI, ? (C, is the second carbon in the structure as written.) orbital on C + orbital on CI What is the approximate C-C-Cl bond angle ? Try Another Version 2 Item attempts remaining Submit Answer
Use the template below to construct a MO diagram for the CN* molecule and use it to answer the following questions. In the completed diagram for CN*, the number of electrons in bonding orbitals is: in antibonding orbitals is: What is the bond order? If a fraction is needed, use a decimal number. CN* is Molecular orbitals Atomic orbitals (Atom A) Atomic orbitals (Atom B) 2p Encrgy
Study the following sketch of a molecular orbital (MO) in a homonuclear diatomic molecule. This MO was formed by combining one 3p atomic orbital from each atom. O The dark dots in this sketch are the nuclei. Now use the sketch to complete the table below. Write the symbol for this MO. Is this a bonding or antibonding MO? What is the energy of this MO, compared to the energy of a 3p orbital on one of the separate. atoms? 0 O bonding O antibonding ο οποίο O higher O lower O the same not enough information to decide a 2 Do X B 5 Ś
O CHEMICAL BONDING Recognizing typical LCAO molecular orbitals Heather V Stua, che following sketch of a molecular orbital (MO) in a homonuclear diatomic molecule. This MO was formed by combining one 3p atomic orbital from each atom. The dark dots in this sketch are the nuclei. do Now use the sketch to complete the table below. Write the symbol for this MO. O bonding O antibonding O higher Is this a bonding or antibonding MO? On O lower What is the energy of this MO, compared to the energy of a 3p orbital on one of the separate atoms? O the same O not enough information to decide Explanation Check O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use | Privacy| Accessibility
Second-row diatomics For molecules containing atoms with electrons in p orbitals, energy-level diagrams become more complex. Core electrons are usually omitted from MO energy level diagrams. Discuss with your group or the class the following: (a) (b) Why are core electrons usually omitted? For the second-row diatomics what is the lowest MO formed from valence shell orbitals? Describe how molecular orbitals are formed from atomic orbitals. Would you expect them to be higher or lower in energy than a (sigma) molecular orbitals? (c) As the nuclear charge increases, the energies of all orbitals are lowered, as shown in the figure below for homonuclear diatomics. Why does this happen? 620x Li₂ Bez 1 0₂ F₂ Ne₂ p #p 29 620 625 #20 Note: For molecules smaller than 02, the 2p orbital is higher in energy than the #2p orbitals. An explanation of this can be found on your Moodle course page for those of you who are interested...
Prepare a molecular orbital energy diagram for SH-, including sketches of the orbital shapes and the number of electrons in each of the orbitals
Hybrid Orbitals Hybrid orbitals are formed by combining the valence orbitals on an atom. They are composed of There are (number) They have an electron pair geometry of S Р d hybrid orbitals represented by this picture. atomic orbitals, corresponding to With bond angles of (If more than one bond angle is possible, sarate each with a space). hybridization. O
7. MO Theory. Fill in the MO diagrams, determine the MO bond order, and indicate which molecules/ions are paramagnetic or diamagnetic110 THL dlatomic 0,- вс Liz MO diagram MO bond order paramagnetic diamagnetic

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