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Perform a Hartree-Fock geometry optimization calculation of butadiene using a minimal basis set. Repeat with the 6-311G(d,p) basis set, using the optimized minimal basis set geometry as the starting point.
(a) Compare the results of the two calculations with each other and any available experimental geometry data. Discuss the extent of agreement and the nature of any differences.
(b) Considering the 6-311G(d,p) calculation, state the symmetry and ground state electronic configuration of butadiene.
(c) Using Koopmans' theorem, predict the core electron binding energies. Include qualitative descriptions of the corresponding core molecular orbitals. Comment on the level of (dis)agreement between the two calculations.
(d) Considering the 6-311G(d,p) calculation, describe the four lowest energy unoccupied orbitals. Include the correct symmetry labels, energies, and qualitative descriptions.
(e) Which core-to-valence excitations involving the four MOs considered in part (d) are dipole allowed?
PUSH Instruction This instruction copies the contents of the specified register pair into the stack. The contents of stack pointer register are decremented by two. Th
Explain ferrites and its uses in high frequency devices. A group of magnetic alloys show the property of magnetisation that change, with percentage of various constituent atoms
Registers A resister is a group of flip flops or binary cells which holds the binary information. Since a binary cell stores one bit of information an n bit regis
Electric flux density (D): Electric flux density is a measurement of electric flux that pass through a unit of plate's area with a coincide angle, that is an area of 1 meter 2
The circuit shown below is a DC charging and discharging circuit. a. At t = 0 sec, switch S1 is thrown to position 1 ("pos1"). Write the mathematical expressions for and .
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Calculate the approximate donor binding energy Calculate the approximate donor binding energy for Si (r = 11.7,m x n = 1.18 m 0 ) Solution: From E= m * n q 4 / 2(4 πε 0
Q. With suitable examples differentiate between limiting and known errors. Sol. Limiting Errors (Guarantee Errors): The accuracy and precision of an instrument depends upon
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