Homework Answers
HOMO stands stands for highest
occupied molecular orbital and LUMO stands for lowest unoccupied
molecular orbital, when the high frequency light falls on the
electrons, the electrons jump to LUMO from HOMO. The electrons in
the 2p bonding orbitals of oxygen molecule jumps to 2p antibonding
orbitals.
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5 Points) Draw the MO whether each molecule is paramagnetic or diamagnetic and why. Define HOMO...
1) The orbital potential energies for the 4s and 4p of Br are -18.65 ev and...
1) The orbital potential energies for the 4s and 4p of Br are -18.65 ev and -12.49ev, respectively. Recall that the H 1s is -13.61ev. The MO diagram for HBr is not exactly the same as HF. Draw the MO diagram for HBr, including energy levels, each orbitals shape, each orbitals character (meaning what atomic orbitals contribute to each M.O. and how much), symmetry labels (e.g. and , * and *), indicate the HOMO and LUMO, the bond order...
Draw the MO diagram of O2+. Calculate the bond order and determine if the molecule is...
Draw the MO diagram of O2+. Calculate the bond order and determine if the molecule is paramagnetic or diamagnetic
1.(8) Draw the Lewis structures for the following molecules and for each molecule: 0) indicate the...
1.(8) Draw the Lewis structures for the following molecules and for each molecule: 0) indicate the orbital rybridization on the central atom () predict the molecular shape and whether the molecule is polar or nonpolar (a) SiF4 (b) SF4 2.(8) The following energy diagrams show a slight variation for the relative energy of , and 13, molecular orbitals. (a) Use the appropriate diagram to build the electron configurations for Og and CO molecules: (label cach diagram correctly.) (b) For each...
2. (40 points) The MO diagrams for homonuclear diatomic molecules are given below. LUMO Lowes Unceaupiad...
2. (40 points) The MO diagrams for homonuclear diatomic molecules are given below. LUMO Lowes Unceaupiad 2P HOMD (tHighast ocaupied No No mixing Mixing of og orbitals (a) (b) Bo BongNon 8-2 Va) (15 pts) Choose the appropriate diagram for the N2 molecule and place the right number of electrons. Indicate the frontier orbitals (HOMO and LUMO) and the bond order. b) (20 pts) Sketch a qualitative MO diagram for the heteronuclear diatomic anion CN; place the right number of...
Cyclobutadiene is an anti-aromatic molecule. What was your calculated HOMO-LUMO gap for cyclobutadiene? Would you expect...
Cyclobutadiene is an anti-aromatic molecule. What was your calculated HOMO-LUMO gap for cyclobutadiene? Would you expect this molecule to be paramagnetic or diamagnetic based on the calculated gap? The HOMO-LUMO gap I got using Webmo was 0.012 eV. 2. 11-cis-retinal plays a role in our vision. When an electron gets promoted it becomes easier to the cis-bond to rotate to the trans-isomer. What color light causes the promotion of an electron from the HOMO-LUMO for that molecule? 3. Pentacene has...
5. Draw Molecular Orbital Diagrams for C2, C2 and C2. a. Determine the bond order for...
5. Draw Molecular Orbital Diagrams for C2, C2 and C2. a. Determine the bond order for each molecule b. Determine whether each of the molecules is paramagnetic or diamagnetic. c. Determine which molecule has the shortest and longest bond.
2. (40 points) The MO diagrams for homon omonuclear diatomic molecules is given below. umolt Anh...
2. (40 points) The MO diagrams for homon omonuclear diatomic molecules is given below. umolt Anh HOMO Homo a) Bo 8 4 2 No mixing Mixing of, orbitals (a) (b) U2 36 zire .02=642=2e- va) (15 pts) Choose the appropriate diagram for the O molecule and place the right number of electrons. Indicate the frontier orbitals (HOMO and LUMO) and the bond order. b) (20 pts) Sketch a qualitative MO diagram for the heteronuclear diatomic anion CN; place the right...
b) Is CO paramagnetic or diamagnetic? What is the bond order of CO? c) Draw a Lewis structure...
Draw an energy-level diagram for the valence molecular orbitals of CO. Include the relevant atomic orbitals in your diagram. Clearly label each molecular orbital (e.gs2s, p2p, etc.) and fill in the appropriate number of electrons. Use the same energy order as the neutral O2 molecule.b) Is CO paramagnetic or diamagnetic? What is the bond order of CO? c) Draw a Lewis structure for CO. Does this match the predicted bond order? d) CO can react withOH– to form the formate...
3. Indicate the expected hybridization of the following steric numbers: SN 3 SN 6 SN =5...
3. Indicate the expected hybridization of the following steric numbers: SN 3 SN 6 SN =5 SN= 4 SN = 2 4. Construct the framework of the molecule acrylonitrile (H2CCHCN) and assign o and/or bond(s) to each bond placement. 5. According to Molecular Orbital Theory, when does the order of the p and op orbitals change from np, Op to op, p (give the two reasons relating to the atoms in the molecule)? 6. For the molecule He2: a. Construct...
a) b) c) Construct the framework of the molecule acrylonitrile (H2CCHCN) and assign o and/or t bond(s) to each bond pl...
a)
b)
c)
Construct the framework of the molecule acrylonitrile (H2CCHCN) and assign o and/or t bond(s) to each bond placement. According to Molecular Orbital Theory, when does the order of the change from tp, op to op, Np (give the two reasons relating to the atoms in the molecule)? orbitals and Пр Оp For the molecule He2*: a. Construct the MO diagram (assign the electrons to the MOprovided in the online submission) b. Calculate the Bond Order of this...
1.(8) Draw the Lewis structures for the following molecules and for each molecule: 0) indicate the orbital rybridization on the central atom () predict the molecular shape and whether the molecule is polar or nonpolar (a) SiF4 (b) SF4 2.(8) The following energy diagrams show a slight variation for the relative energy of , and 13, molecular orbitals. (a) Use the appropriate diagram to build the electron configurations for Og and CO molecules: (label cach diagram correctly.) (b) For each...
2. (40 points) The MO diagrams for homonuclear diatomic molecules are given below. LUMO Lowes Unceaupiad 2P HOMD (tHighast ocaupied No No mixing Mixing of og orbitals (a) (b) Bo BongNon 8-2 Va) (15 pts) Choose the appropriate diagram for the N2 molecule and place the right number of electrons. Indicate the frontier orbitals (HOMO and LUMO) and the bond order. b) (20 pts) Sketch a qualitative MO diagram for the heteronuclear diatomic anion CN; place the right number of...
5. Draw Molecular Orbital Diagrams for C2, C2 and C2. a. Determine the bond order for each molecule b. Determine whether each of the molecules is paramagnetic or diamagnetic. c. Determine which molecule has the shortest and longest bond.
2. (40 points) The MO diagrams for homon omonuclear diatomic molecules is given below. umolt Anh HOMO Homo a) Bo 8 4 2 No mixing Mixing of, orbitals (a) (b) U2 36 zire .02=642=2e- va) (15 pts) Choose the appropriate diagram for the O molecule and place the right number of electrons. Indicate the frontier orbitals (HOMO and LUMO) and the bond order. b) (20 pts) Sketch a qualitative MO diagram for the heteronuclear diatomic anion CN; place the right...
3. Indicate the expected hybridization of the following steric numbers: SN 3 SN 6 SN =5 SN= 4 SN = 2 4. Construct the framework of the molecule acrylonitrile (H2CCHCN) and assign o and/or bond(s) to each bond placement. 5. According to Molecular Orbital Theory, when does the order of the p and op orbitals change from np, Op to op, p (give the two reasons relating to the atoms in the molecule)? 6. For the molecule He2: a. Construct...
a)
b)
c)
Construct the framework of the molecule acrylonitrile (H2CCHCN) and assign o and/or t bond(s) to each bond placement. According to Molecular Orbital Theory, when does the order of the change from tp, op to op, Np (give the two reasons relating to the atoms in the molecule)? orbitals and Пр Оp For the molecule He2*: a. Construct the MO diagram (assign the electrons to the MOprovided in the online submission) b. Calculate the Bond Order of this...
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