Answers Offered by Computer Algebra Systems to Expression Transformation Exercises
Computer Exercises
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Transcript of Computer Exercises
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Computer Exercises
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Build a Dichloroethane Molecule
Exercise 1: trans-ClCH2CH2Cl (PG: C2h)
21
45
3
6
78
7
6
8
5 4
3
2(1)
0 1CC 1 1.531.53
1.76 1.09
0 1CC 1 rccCl 1 rclc 2 aclcc H 1 rhc 2 ahcc 3 dhcccl1H 1 rhc 2 ahcc 3 -dhcccl1Cl 2 rclc 1 aclcc 3 dclcccl H 2 rhc 1 ahcc 3 dhcccl2H 2 rhc 1 ahcc 3 -dhcccl2Variables:rcc 1.53rclc 1.76rhc 1.09aclcc 109.5ahcc 109.5dhcccl1 120.dhcccl2 60.Constants:dclcccl 180.
109.5
Cl 2 1.76 1 109.5 3 180.H 2 1.09 1 109.5 3 60.0H 2 1.09 1 109.5 3 -60.0
Cl 1 1.76 2 109.5 H 1 1.09 2 109.5 3 120. H 1 1.09 2 109.5 3 -120.
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Build an Ammonia Molecule
Exercise 2: NH3 (PG: C3v)
NX 1 1.H 1 1.017 2 111.4 H 1 1.017 2 111.4 3 120.0 H 1 1.017 2 111.4 3 -120.0
X
111.41
2
3 4
5
H5
H4
H3
N1(X2)
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Build a Chromium Hexacarbonyl Complex
Exercise 3: Cr(CO)6 (PG: Oh)
1.93
1.14
Cr configuration: (Ar)3d54s1
12
3
4
56
7
89
11
10
12
13
90.
90.
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Build a Benzene Molecule
Exercise 4: C6H6 (PG: D6h)
C
CC
C
C
C
H H
H H
HH
18
X2
34
5
6 7
910
11
12 13
1.397
1.084