Homework Answers
To write the IUPAC a few rules are needed to be followed. I have given an explanation wherever required.
1) The main chain should have the highest number of carbon atoms
2) All substituents should have the lowest number possible assigned to the Carbon atoms attached to them (rule of lowest locants)
3) The functional groups like -OH etc gets the lowest locants in comparison to alkyl groups.
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I, Give the IUPAC name the structure II. Draw the structure of each below dimethyibeptane III....
The following graph is based on the free energy for C2-C3 bond rotation in butane obtained...
The following graph is based on the free energy for C2-C3 bond rotation in butane obtained by using CheMagic Virtual Molecular Model Kit C2-C3 Bond of Butane 30 25 20 15 10 0 180 300 360 10 15 20 -25」 Dihedral Angle Draw Newman projection of butane around C2-C3 bond for 60, 180° and 300° dihedral angles below (2 pt@ 180° 300° Which of the three energy minimum do not match exactly with the corresponding staggered configuration ie, 60. 180°...
CUI 2 1) Give the IUPAC name corresponding to the following structure: 2) Draw the Newman...
CUI 2 1) Give the IUPAC name corresponding to the following structure: 2) Draw the Newman projection formula for the most stable conformation of the C2-C3 bond in 3-methylpentane. [3]
10. a. Draw the Newman projections for the dihedral angles listed below for 2-methylpentane if you...
10. a. Draw the Newman projections for the dihedral angles listed below for 2-methylpentane if you sight down the 2-3 carbon bond (Assume that the least stable conformation corresponds to the 0° dihedral angle and assume that all rotations are counter clockwise) Using the energy values provided below calculate the total strain energy for each of the listed conformations. b. vii. 0 vili. 60° ix. 120 x. 180° xi. 240 xii. 300°
2. (10 points) For the following molecule: Cl Cl (a) Provide the IUPAC name for the...
2. (10 points) For the following molecule: Cl Cl (a) Provide the IUPAC name for the above molecule. On the above structure, assign the configuration of each chiral center using CIP notation. (b) Draw the Newman projection looking down the C2-C3 bond. What is the dihedral angle between the two chlorine atoms? (c) Draw the Newman projection looking down the C2-C3 bond of the conformer that is most unstable. Indicate whether there is a molecular dipole moment for this conformer...
1. Draw the Neman Projection of the following Promane descriptions Newman projection for most stable Newman...
1. Draw the Neman Projection of the following Promane descriptions Newman projection for most stable Newman projection for least stable conformation conformation 2. Draw the Newman projections for butane looking down the C2-C3 bond through a full 360 degree rotation. Start with the anti-staggered Newman projection then draw and label each Newman projection (staggered, eclipsed, gauche, anti-staggered, fully-eclipsed) for every 60 degrees of rotation Newman projection for most stable Newman projection for second-most stable conformation Conformation Newman projection for least...
Conformations of the 1 - bromopropane molecule: Draw the line-bond structure of the 1-bromopropane molecule (C_3...
Conformations of the 1 - bromopropane molecule: Draw the line-bond structure of the 1-bromopropane molecule (C_3 H_7 Br). You will draw your Newman projection based on the rotation of the bond between the first and second carbon atoms (C1-C2). Highlight this carbon-carbon bond by drawing the bond as a bold line. Next, use your model kit to build a model of the molecule. Draw the Newman projection for each dihedral angle at 60 degree interval (from 0 degree to 360...
Consider the graph below, which is a plot of the relative energies of the various conformations...
Consider the graph below, which is a plot of the relative energies of the various conformations of 2,3-dimethylbutane, viewed through the C2-C3 bond. The conformations corresponding to the angles 120° and 240° are: 0° 60 120° 180° 240° 300 360° Angle of rotation A. eclipsed (one Me-Me and two Me-H eclipsed) B. eclipsed (one H-H and two Me-Me eclipsed) C. gauche D. anti-periplanar E. none of the above Enter Your Answer: Using the same graph and answer choices from question...
Problem 4 Give the IUPAC name for each Newman projection. the folle eniwoll ot orl broo...
Problem 4 Give the IUPAC name for each Newman projection. the folle eniwoll ot orl broo 6lumol be F ormula CH (H3C)2HC CHз CH(CH9CHIC CH CH HаС CH(CH2CH2CH3)CH3 CH3 Problem 3 Sroldo For the following molecule answer the following questions. (a) Using Newman projections, draw all staggered and eclipsed conformations (6 in total) that result from rotation around the bet014 indicated bond in each molecule; (b) Draw a graph of energy versus rotation around this bond. CI H
XIII. Below is the potential energy diagram versus the dihedral angle of rotation for 2-methylbutane. Rotation...
XIII. Below is the potential energy diagram versus the
dihedral angle of rotation for 2-methylbutane. Rotation takes place
around the C2-C3 bond.
1. Draw alternate and clipped Newman projections in the space
provided. (6 points)
NOTE: the front carbon is carbon 2
2. Explain the difference in energy between conformers A and
B. (2 points)
111. A continuación aparece el diagrama de energía potencial versus el ángulo dihedral de rotacion para 2-metilbutano. La rotación se lleva a cabo alrededor del...
I already know how to do 1 and 2. if you could show me how to...
I already know how to do 1 and 2. if you could show me how to do
number 3 on the graph above, and how to calculate the expected
energy of the conformer please
1 60 120 180 240 300 360 Torsion angle (degrees) AE (kcal/mol) In the box below each molecule, draw Newman projections for the structures A, B, and C shown from the perspective indicated. For each Newman projection that you've drawn, indicate if there are any eclipsed...
The following graph is based on the free energy for C2-C3 bond rotation in butane obtained by using CheMagic Virtual Molecular Model Kit C2-C3 Bond of Butane 30 25 20 15 10 0 180 300 360 10 15 20 -25」 Dihedral Angle Draw Newman projection of butane around C2-C3 bond for 60, 180° and 300° dihedral angles below (2 pt@ 180° 300° Which of the three energy minimum do not match exactly with the corresponding staggered configuration ie, 60. 180°...
CUI 2 1) Give the IUPAC name corresponding to the following structure: 2) Draw the Newman projection formula for the most stable conformation of the C2-C3 bond in 3-methylpentane. [3]
10. a. Draw the Newman projections for the dihedral angles listed below for 2-methylpentane if you sight down the 2-3 carbon bond (Assume that the least stable conformation corresponds to the 0° dihedral angle and assume that all rotations are counter clockwise) Using the energy values provided below calculate the total strain energy for each of the listed conformations. b. vii. 0 vili. 60° ix. 120 x. 180° xi. 240 xii. 300°
2. (10 points) For the following molecule: Cl Cl (a) Provide the IUPAC name for the above molecule. On the above structure, assign the configuration of each chiral center using CIP notation. (b) Draw the Newman projection looking down the C2-C3 bond. What is the dihedral angle between the two chlorine atoms? (c) Draw the Newman projection looking down the C2-C3 bond of the conformer that is most unstable. Indicate whether there is a molecular dipole moment for this conformer...
1. Draw the Neman Projection of the following Promane descriptions Newman projection for most stable Newman projection for least stable conformation conformation 2. Draw the Newman projections for butane looking down the C2-C3 bond through a full 360 degree rotation. Start with the anti-staggered Newman projection then draw and label each Newman projection (staggered, eclipsed, gauche, anti-staggered, fully-eclipsed) for every 60 degrees of rotation Newman projection for most stable Newman projection for second-most stable conformation Conformation Newman projection for least...
Conformations of the 1 - bromopropane molecule: Draw the line-bond structure of the 1-bromopropane molecule (C_3 H_7 Br). You will draw your Newman projection based on the rotation of the bond between the first and second carbon atoms (C1-C2). Highlight this carbon-carbon bond by drawing the bond as a bold line. Next, use your model kit to build a model of the molecule. Draw the Newman projection for each dihedral angle at 60 degree interval (from 0 degree to 360...
Consider the graph below, which is a plot of the relative energies of the various conformations of 2,3-dimethylbutane, viewed through the C2-C3 bond. The conformations corresponding to the angles 120° and 240° are: 0° 60 120° 180° 240° 300 360° Angle of rotation A. eclipsed (one Me-Me and two Me-H eclipsed) B. eclipsed (one H-H and two Me-Me eclipsed) C. gauche D. anti-periplanar E. none of the above Enter Your Answer: Using the same graph and answer choices from question...
Problem 4 Give the IUPAC name for each Newman projection. the folle eniwoll ot orl broo 6lumol be F ormula CH (H3C)2HC CHз CH(CH9CHIC CH CH HаС CH(CH2CH2CH3)CH3 CH3 Problem 3 Sroldo For the following molecule answer the following questions. (a) Using Newman projections, draw all staggered and eclipsed conformations (6 in total) that result from rotation around the bet014 indicated bond in each molecule; (b) Draw a graph of energy versus rotation around this bond. CI H
XIII. Below is the potential energy diagram versus the
dihedral angle of rotation for 2-methylbutane. Rotation takes place
around the C2-C3 bond.
1. Draw alternate and clipped Newman projections in the space
provided. (6 points)
NOTE: the front carbon is carbon 2
2. Explain the difference in energy between conformers A and
B. (2 points)
111. A continuación aparece el diagrama de energía potencial versus el ángulo dihedral de rotacion para 2-metilbutano. La rotación se lleva a cabo alrededor del...
I already know how to do 1 and 2. if you could show me how to do
number 3 on the graph above, and how to calculate the expected
energy of the conformer please
1 60 120 180 240 300 360 Torsion angle (degrees) AE (kcal/mol) In the box below each molecule, draw Newman projections for the structures A, B, and C shown from the perspective indicated. For each Newman projection that you've drawn, indicate if there are any eclipsed...
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