The Atomic Coordinates and Partial Charges for the Planar Molecule

question 4

Multiple Choice

The atomic coordinates and partial charges for the planar molecule fluoroethene, C₂H₃F, are
$\begin{array}{lrrrr} & x / A & y / A & z / A & \text { Partial charge } \\\mathrm{C} & -0.669 & 0.019 & 0.000 & +0.353 \mathrm{e} \\\mathrm{C} & 0.669 & -0.019 & 0.000 & -0.367 e \\\mathrm{H} & 1.211 & -0.978 & 0.000 & +0.039 \mathrm{e} \\\mathrm{H} & 1.265 & 0.906 & 0.000 & +0.041 e \\\mathrm{H} & -1.257 & -0.913 & 0.000 & 0.008 \mathrm{e} \\\mathrm{F} & -1.306 & 1.178 & 0.000 & -0.075 \mathrm{e}\end{array}$ Calculate the x and y components of the dipole moment.

• A)  _x = -4.72  10^-30 C m,  _y = -1.33  10^-30 C m
• B)  _x = -0.295  10^-30 C m,  _y = -0.083  10^-30 C m
• C)  _x = -7.27  10^-33 C m,  _y = -1.28  10^-30 C m
• D)  _x = 1.10  10^-29 C m,  _y = 2.96  10^-30 C m

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