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Assume that each H-bond is formed by two dipoles in a line, and approximate each dipole as a pair of point charges (q1, -q1, q2, -q2) separated by a distance r1=r2 with the centers of the dipoles at distance D apart. Then, the potential energy of the collinear arrangement of two dipoles is U=2µ1 H2/(4tE,D³). Assuming that each H-bond has an energy of 10KJ/mol, and that the charges q1 and q2 are equivalent, use the equation for the potential energy of a collinear arrangement of two dipoles to estimate the moment of the dipoles (µ1 = µ2) involved. Now, assuming that the charge separation distance in each dipole is 1 angstrom, estimate the magnitude of the partial charges responsible for the H-bond (report your answer in units of elementary charge, not coulombs).

Assume that each H-bond is formed by two dipoles in a line, and approximate each dipole as a pair of point charges (q1, -q1, q2, -q2) separated by a distance r1=r2 with the centers of the dipoles at distance D apart. Then, the potential energy of the collinear arrangement of two dipoles is U=2µ1 H2/(4tE,D³). Assuming that each H-bond has an energy of 10KJ/mol, and that the charges q1 and q2 are equivalent, use the equation for the potential energy of a collinear arrangement of two dipoles to estimate the moment of the dipoles (µ1 = µ2) involved. Now, assuming that the charge separation distance in each dipole is 1 angstrom, estimate the magnitude of the partial charges responsible for the H-bond (report your answer in units of elementary charge, not coulombs).

Organic Chemistry: A Guided Inquiry
Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter4: Polar Bonds, Polar Reactions
Section: Chapter Questions
Problem 10CTQ
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5. Consider the H-bonds shown below. O---H- R- C-R 0–H-- FH---O' Assume that each H-bond is formed by two dipoles in a line, and approximate each dipole as a pair of point charges (q1, -q1, q2, -q2) separated by a distance r1=r2 with the centers of the dipoles at distance D apart. Then, the potential energy of the collinear arrangement of two dipoles is U=2µ1 H2/(4te,D³). Assuming that each H-bond has an energy of 1OKJ/mol, and that the charges q1 and q2 are equivalent, use the equation for the potential energy of a collinear arrangement of two dipoles to estimate the moment of the dipoles (µ1 = µ2) involved. Now, assuming that the charge separation distance in each dipole is 1 angstrom, estimate the magnitude of the partial charges responsible for the H-bond (report your answer in units of elementary charge, not coulombs).
Transcribed Image Text:5. Consider the H-bonds shown below. O---H- R- C-R 0–H-- FH---O' Assume that each H-bond is formed by two dipoles in a line, and approximate each dipole as a pair of point charges (q1, -q1, q2, -q2) separated by a distance r1=r2 with the centers of the dipoles at distance D apart. Then, the potential energy of the collinear arrangement of two dipoles is U=2µ1 H2/(4te,D³). Assuming that each H-bond has an energy of 1OKJ/mol, and that the charges q1 and q2 are equivalent, use the equation for the potential energy of a collinear arrangement of two dipoles to estimate the moment of the dipoles (µ1 = µ2) involved. Now, assuming that the charge separation distance in each dipole is 1 angstrom, estimate the magnitude of the partial charges responsible for the H-bond (report your answer in units of elementary charge, not coulombs).
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