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All results from a given calculation for CH2BrCH2Cl (1-bromo-2-chloroethane)

using model chemistry: AM1

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description

Conformer 1 (CS)

Jump to S1C2
Energy calculated at AM1
 hartrees
Energy at 0K 
Energy at 298.15K-0.033367
HF Energy-0.033367
Nuclear repulsion energy93.557076
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at AM1
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3104 2960 21.28 15.86 0.17 0.29
2 A' 3085 2942 0.29 260.03 0.16 0.28
3 A' 1385 1321 2.24 51.14 0.65 0.79
4 A' 1377 1313 8.19 0.57 0.64 0.78
5 A' 1291 1231 5.69 83.36 0.43 0.61
6 A' 1237 1180 0.66 22.42 0.75 0.86
7 A' 1217 1160 16.24 8.42 0.27 0.42
8 A' 833 795 64.88 40.22 0.42 0.59
9 A' 710 677 32.79 40.83 0.41 0.58
10 A' 267 255 0.54 7.91 0.44 0.61
11 A' 207 197 3.79 0.65 0.57 0.73
12 A" 3047 2906 42.12 1.77 0.75 0.86
13 A" 3024 2884 0.09 226.73 0.75 0.86
14 A" 1182 1127 0.36 31.80 0.75 0.86
15 A" 1057 1008 1.01 1.18 0.75 0.86
16 A" 917 875 0.00 32.34 0.75 0.86
17 A" 753 718 3.09 1.68 0.75 0.86
18 A" 75 71 4.03 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12385.1 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 11809.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at AM1
ABC
0.98067 0.03304 0.03237

See section I.F.4 to change rotational constant units
Geometric Data calculated at AM1

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.608 0.000
C2 1.255 -0.222 0.000
Br3 -1.586 -0.484 0.000
Cl4 2.673 0.814 0.000
H5 -0.055 1.253 0.908
H6 -0.055 1.253 -0.908
H7 1.328 -0.860 0.914
H8 1.328 -0.860 -0.914

Atom - Atom Distances (Å)
  C1 C2 Br3 Cl4 H5 H6 H7 H8
C11.50401.92562.68111.11581.11582.18002.1800
C21.50402.85311.75632.17152.17151.11721.1172
Br31.92562.85314.45282.48762.48763.07723.0772
Cl42.68111.75634.45282.90872.90872.33402.3340
H51.11582.17152.48762.90871.81692.52543.1142
H61.11582.17152.48762.90871.81693.11422.5254
H72.18001.11723.07722.33402.52543.11421.8278
H82.18001.11723.07722.33403.11422.52541.8278

picture of 1-bromo-2-chloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl4 110.402 C1 C2 H7 111.695
C1 C2 H8 111.695 C2 C1 Br3 112.006
C2 C1 Cl4 37.877 C2 C1 H6 111.103
Br3 C1 H5 106.706 Br3 C1 H6 106.706
Cl4 C2 H7 106.504 Cl4 C2 H8 106.504
H5 C1 H6 109.006 H7 C2 H8 109.783
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at AM1
 hartrees
Energy at 0K 
Energy at 298.15K-0.032300
HF Energy-0.032252
Nuclear repulsion energy94.527289
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at AM1
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3096 2952 18.86 76.71 0.31 0.47
2 A 3083 2940 10.42 228.60 0.06 0.12
3 A 3034 2893 24.30 114.94 0.75 0.86
4 A 3024 2883 8.56 199.13 0.74 0.85
5 A 1379 1315 5.05 24.29 0.47 0.64
6 A 1377 1313 4.46 53.89 0.74 0.85
7 A 1289 1229 27.71 19.99 0.39 0.57
8 A 1259 1200 19.77 23.10 0.49 0.66
9 A 1219 1163 2.54 16.27 0.63 0.77
10 A 1125 1072 5.48 37.75 0.74 0.85
11 A 1073 1023 5.90 20.95 0.74 0.85
12 A 922 879 3.48 19.55 0.64 0.78
13 A 864 823 26.88 20.32 0.66 0.79
14 A 750 716 23.62 19.06 0.48 0.65
15 A 621 592 14.84 36.05 0.34 0.51
16 A 403 384 3.96 5.67 0.74 0.85
17 A 230 219 0.66 1.84 0.45 0.62
18 A 66 63 0.64 3.22 0.75 0.85

Unscaled Zero Point Vibrational Energy (zpe) 12406.9 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 11830.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at AM1
ABC
0.30613 0.04974 0.04467

See section I.F.4 to change rotational constant units
Geometric Data calculated at AM1

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.015 1.072 -0.373
C2 1.294 0.879 0.392
Br3 -1.352 -0.218 0.036
Cl4 2.152 -0.571 -0.085
H5 -0.415 2.073 -0.127
H6 0.191 1.010 -1.473
H7 1.986 1.735 0.190
H8 1.113 0.799 1.492

Atom - Atom Distances (Å)
  C1 C2 Br3 Cl4 H5 H6 H7 H8
C11.50331.92252.71101.11681.11602.15452.1808
C21.50332.88661.75102.14902.17081.11891.1173
Br31.92252.88663.52372.47982.48243.87003.0376
Cl42.71101.75103.52373.68552.87552.32862.3330
H51.11682.14902.47983.68551.81892.44532.5651
H61.11602.17082.48242.87551.81892.55183.1116
H72.15451.11893.87002.32862.44532.55181.8259
H82.18081.11733.03762.33302.56513.11161.8259

picture of 1-bromo-2-chloroethane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl4 112.604 C1 C2 H7 109.631
C1 C2 H8 111.804 C2 C1 Br3 114.277
C2 C1 Cl4 36.604 C2 C1 H6 111.084
Br3 C1 H5 106.314 Br3 C1 H6 106.530
Cl4 C2 H7 106.372 Cl4 C2 H8 106.762
H5 C1 H6 109.099 H7 C2 H8 109.472
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability