Q2: Consider a molecular interaction denoted as X-HY, where "-" signifies a covalent bond and "..." indicates hydrogen bonding. The system can be described as a superposition of three structures: |X-HY-)= V1+s 1 0 (s) |X:, H+,: Y-) = (1); |X:-, H-Y) = 0 0 0 (s), 1 where 0 < s << 1. The first (last) structure represents a pure covalent bond between the atoms X (Y) and H, with Y (X) carrying a negative charge. The middle structure depicts an ionic configuration where X and Y bear negative charges, while H carries a positive charge. In this structure, there is no covalent bond. The Hamiltonian for this molecular system reads 0 0 2€ 2€ 0 H=(0 -E မဝါဝ I a) Determine the expected energies for the covalent structures IX-H, Y) and (X:-, H-Y). b) Calculate the expected energy for the ionic structure IX: H: Y) and compare its stability with the covalent structures.
Q2: Consider a molecular interaction denoted as X-HY, where "-" signifies a covalent bond and "..." indicates hydrogen bonding. The system can be described as a superposition of three structures: |X-HY-)= V1+s 1 0 (s) |X:, H+,: Y-) = (1); |X:-, H-Y) = 0 0 0 (s), 1 where 0 < s << 1. The first (last) structure represents a pure covalent bond between the atoms X (Y) and H, with Y (X) carrying a negative charge. The middle structure depicts an ionic configuration where X and Y bear negative charges, while H carries a positive charge. In this structure, there is no covalent bond. The Hamiltonian for this molecular system reads 0 0 2€ 2€ 0 H=(0 -E မဝါဝ I a) Determine the expected energies for the covalent structures IX-H, Y) and (X:-, H-Y). b) Calculate the expected energy for the ionic structure IX: H: Y) and compare its stability with the covalent structures.
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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