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
Homework Answers
Expected energies :
CH3-CH3 eclipsed=3.4kcal/mol
H-H eclipsed=1kcal/mol
CH3-H eclipsed=1.4 kcalmol
CH3-CH3 gauche interaction=0.9 kcal/mol
using above values this problem can be solved.please find the
attached image.
In-Class Worksheet In the box below each molecule, draw Newman projections for the structures A, B,...
In-Class Worksheet 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 bonds or 1. gauche butane interactions. H H CH3 H3C CH3 CH3 H. H3C CH3 H CH3 H H Structure C Structure B Structure A Structure A can exist in a lower energy conformation by undergoing a bond rotation; draw the Newman projection of...
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
Draw the following conformations I) Conformations - Draw the following conformations of each molecule. a) Newman...
Draw the following conformations
I) Conformations - Draw the following conformations of each molecule. a) Newman projection along the C1-C2 bond; a circle is provided for you. Circle all the terms that correctly describe that conformation. P.. H OH Circle ALL that apply: H anti gauche HH eclipsed staggered b) Newman projection along the C2-C bond; a circle is provided for you. Circle all the terms that correctly describe that conformation. Circle ALL that apply: HH anti gauche - OH...
Show two different eclipsed and two different staggered conformtations of the molecule 2-methylbutane using the partial...
Show two different eclipsed and two different staggered
conformtations of the molecule 2-methylbutane using the partial
structures below and drawing in methyl groups where appropriate.
Underneath each calculate the total strain energy for each
structure given the torsional energies: [eclipsing H to H = 1 kcal,
H to CH3 = 1.5 kcal & CH3 to
CH3 = 4 kcal, and gauche CH3 to
CH3 = 0.9 kcal]. Then determine the barrier to rotation
around the C2-C3 bond in the
molecule....
18. How many rings does the following molecule have? AL B.2 0.3 0.4 E. None of...
18. How many rings does the following molecule have? AL B.2 0.3 0.4 E. None of the above 19. Which of the following would represent the lowest energy conformation of butane looking at the Newman projection down the C2-C3 bond? A. The (CH3,CH3) eclipsed conformation C. The gauche conformation B. The (H,CH) eclipsed conformation D. The anti-conformation E. The parallel conformation
(Cp 4) For the structure shown below, use one of the templates to show the Newman...
(Cp 4) For the structure shown below, use one of the templates to show the Newman projection which corresponds to the view down the bold bond. In the Newman projection you need only show the atoms attached directly to the carbons connected by the bold bond (and not the remainder of the ring). If there is a more stable conformation for the molecule, draw it in the box to the right (do not give a Newman projection for the more...
6. (14 points) Consider the following molecule. DH CI H2C CH3 (a) (7 points) Draw three...
6. (14 points) Consider the following molecule. DH CI H2C CH3 (a) (7 points) Draw three staggered conformations of this molecule using Newman projections from the indicated perspective (one structure per box). Then, circle the lowest energy conformation. (b) (7 points) Draw three eclipsed conformations of this molecule using Newman projections from the indicated perspective (one structure per box). Then, circle the highest energy conformation. 7. (4 points) Draw a Newman projection for the following compound: C1 CH3 NOZ CI...
please answer question 5 based on the drawing probided of 2-methyl butane. please indicate whether it...
please answer
question 5 based on the drawing probided of 2-methyl butane. please
indicate whether it is dihedral or degrees rotation
o. chemistry homework
5. Draw an energy diagram on a separate sheet of graph paper, plotting the approximate conformer energies against dihedral angles OR degrees rotation. You will have to estimate the potential energies based on your drawings. Grading for energy diagram graphs: Use an entire page in your laboratory notebook-it is graph paper Graphs must have a title...
x Consider 2,2,3-trimethylbuttane. Using a Newman projection formula, draw the most stable conformation, sighting along the...
x Consider 2,2,3-trimethylbuttane. Using a Newman projection formula, draw the most stable conformation, sighting along the C2-C3 bond. Compute the total strain energy for this conformation. Refer to strain energy values given below. Strain energies with respect to atoms/groups bonded to C-C (one atom/group bonded to each C) H <---> H eclipsed: 4 kJ/mol CH3 <---> H eclipsed: 6 kJ/mol CH3 <----> CH3 eclipsed: 11 kJ/mol CH3 <----> CH3 gauche staggered: 3.8 kJ/mol Selected Answer: D. 7.6 kJ/mol Answers: A....
please help!! pe 4 16) Which of the following is the staggered conformation for rotation about...
please help!!
pe 4 16) Which of the following is the staggered conformation for rotation about the C1-C2 bond in the following structure? Ca-c rtely loocig eciear CH CH,CHCH CH 1 234 L ст, свсн, гV. H 3 H H H IL Ci CHCH V. CHe CH,T CHh 17) Draw the Newman projection that represcnts the most stable conformation of 3,3-dimethylhexane viewed along the C3-C4 bond. 18) Draw the Newman projection that represents the least stable conformation of 3,3-dimethylhexane viewed...
In-Class Worksheet 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 bonds or 1. gauche butane interactions. H H CH3 H3C CH3 CH3 H. H3C CH3 H CH3 H H Structure C Structure B Structure A Structure A can exist in a lower energy conformation by undergoing a bond rotation; draw the Newman projection of...
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
Draw the following conformations
I) Conformations - Draw the following conformations of each molecule. a) Newman projection along the C1-C2 bond; a circle is provided for you. Circle all the terms that correctly describe that conformation. P.. H OH Circle ALL that apply: H anti gauche HH eclipsed staggered b) Newman projection along the C2-C bond; a circle is provided for you. Circle all the terms that correctly describe that conformation. Circle ALL that apply: HH anti gauche - OH...
Show two different eclipsed and two different staggered
conformtations of the molecule 2-methylbutane using the partial
structures below and drawing in methyl groups where appropriate.
Underneath each calculate the total strain energy for each
structure given the torsional energies: [eclipsing H to H = 1 kcal,
H to CH3 = 1.5 kcal & CH3 to
CH3 = 4 kcal, and gauche CH3 to
CH3 = 0.9 kcal]. Then determine the barrier to rotation
around the C2-C3 bond in the
molecule....
18. How many rings does the following molecule have? AL B.2 0.3 0.4 E. None of the above 19. Which of the following would represent the lowest energy conformation of butane looking at the Newman projection down the C2-C3 bond? A. The (CH3,CH3) eclipsed conformation C. The gauche conformation B. The (H,CH) eclipsed conformation D. The anti-conformation E. The parallel conformation
(Cp 4) For the structure shown below, use one of the templates to show the Newman projection which corresponds to the view down the bold bond. In the Newman projection you need only show the atoms attached directly to the carbons connected by the bold bond (and not the remainder of the ring). If there is a more stable conformation for the molecule, draw it in the box to the right (do not give a Newman projection for the more...
6. (14 points) Consider the following molecule. DH CI H2C CH3 (a) (7 points) Draw three staggered conformations of this molecule using Newman projections from the indicated perspective (one structure per box). Then, circle the lowest energy conformation. (b) (7 points) Draw three eclipsed conformations of this molecule using Newman projections from the indicated perspective (one structure per box). Then, circle the highest energy conformation. 7. (4 points) Draw a Newman projection for the following compound: C1 CH3 NOZ CI...
please answer
question 5 based on the drawing probided of 2-methyl butane. please
indicate whether it is dihedral or degrees rotation
o. chemistry homework
5. Draw an energy diagram on a separate sheet of graph paper, plotting the approximate conformer energies against dihedral angles OR degrees rotation. You will have to estimate the potential energies based on your drawings. Grading for energy diagram graphs: Use an entire page in your laboratory notebook-it is graph paper Graphs must have a title...
x Consider 2,2,3-trimethylbuttane. Using a Newman projection formula, draw the most stable conformation, sighting along the C2-C3 bond. Compute the total strain energy for this conformation. Refer to strain energy values given below. Strain energies with respect to atoms/groups bonded to C-C (one atom/group bonded to each C) H <---> H eclipsed: 4 kJ/mol CH3 <---> H eclipsed: 6 kJ/mol CH3 <----> CH3 eclipsed: 11 kJ/mol CH3 <----> CH3 gauche staggered: 3.8 kJ/mol Selected Answer: D. 7.6 kJ/mol Answers: A....
please help!!
pe 4 16) Which of the following is the staggered conformation for rotation about the C1-C2 bond in the following structure? Ca-c rtely loocig eciear CH CH,CHCH CH 1 234 L ст, свсн, гV. H 3 H H H IL Ci CHCH V. CHe CH,T CHh 17) Draw the Newman projection that represcnts the most stable conformation of 3,3-dimethylhexane viewed along the C3-C4 bond. 18) Draw the Newman projection that represents the least stable conformation of 3,3-dimethylhexane viewed...
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