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

using model chemistry: CCD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
1 2 no C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-3108.336698
Energy at 298.15K 
HF Energy-3107.632298
Nuclear repulsion energy290.673783
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 CCD/6-31G(2df,p)
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' 204 193 6.09      
2 A' 260 246 0.73      
3 A' 702 665 39.82      
4 A' 795 753 24.05      
5 A' 1093 1035 1.34      
6 A' 1263 1196 36.66      
7 A' 1359 1287 2.70      
8 A' 1519 1438 3.19      
9 A' 1522 1442 3.16      
10 A' 3157 2991 0.86      
11 A' 3165 2998 7.26      
12 A" 116 110 5.43      
13 A" 776 735 2.61      
14 A" 1003 950 0.12      
15 A" 1158 1097 1.75      
16 A" 1320 1250 0.07      
17 A" 3218 3048 0.11      
18 A" 3239 3068 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 12933.9 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 12251.0 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 CCD/6-31G(2df,p)
ABC
0.96112 0.03319 0.03247

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.641 0.000
C2 1.215 -0.266 0.000
Br3 -1.591 -0.441 0.000
Cl4 2.703 0.731 0.000
H5 -0.023 1.269 0.888
H6 -0.023 1.269 -0.888
H7 1.240 -0.894 0.888
H8 1.240 -0.894 -0.888

Atom - Atom Distances (Å)
  C1 C2 Br3 Cl4 H5 H6 H7 H8
C11.51631.92342.70431.08751.08752.16382.1638
C21.51632.81111.79122.16262.16261.08791.0879
Br31.92342.81114.45052.48352.48353.00083.0008
Cl42.70431.79124.45052.91662.91662.36052.3605
H51.08752.16262.48352.91661.77512.50473.0702
H61.08752.16262.48352.91661.77513.07022.5047
H72.16381.08793.00082.36052.50473.07021.7760
H82.16381.08793.00082.36053.07022.50471.7760

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 109.417 C1 C2 H7 111.316
C1 C2 H8 111.316 C2 C1 Br3 109.045
C2 C1 Cl4 38.658 C2 C1 H6 111.245
Br3 C1 H5 107.895 Br3 C1 H6 107.895
Cl4 C2 H7 107.620 Cl4 C2 H8 107.620
H5 C1 H6 109.398 H7 C2 H8 109.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-3108.334433
Energy at 298.15K 
HF Energy-3107.629040
Nuclear repulsion energy307.608840
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 CCD/6-31G(2df,p)
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 3218 3048 1.11      
2 A 3205 3036 0.53      
3 A 3147 2981 11.05      
4 A 3137 2971 4.68      
5 A 1509 1430 3.17      
6 A 1501 1421 6.90      
7 A 1368 1296 20.86      
8 A 1332 1261 36.61      
9 A 1243 1177 1.16      
10 A 1173 1111 0.98      
11 A 1070 1014 1.56      
12 A 966 915 7.01      
13 A 899 852 15.50      
14 A 716 678 14.54      
15 A 625 592 6.85      
16 A 398 377 5.64      
17 A 248 235 0.98      
18 A 106 100 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 12930.5 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 12247.7 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 CCD/6-31G(2df,p)
ABC
0.29507 0.05078 0.04529

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 1.101 -0.384
C2 1.270 0.904 0.403
Br3 -1.333 -0.227 0.037
Cl4 2.138 -0.576 -0.088
H5 -0.440 2.071 -0.136
H6 0.176 1.055 -1.455
H7 1.942 1.743 0.220
H8 1.069 0.827 1.470

Atom - Atom Distances (Å)
  C1 C2 Br3 Cl4 H5 H6 H7 H8
C11.51641.91932.74211.08991.08802.14342.1631
C21.51642.86111.78442.13932.16081.09051.0884
Br31.91932.86113.49062.47142.47843.82592.9889
Cl42.74211.78443.49063.69552.89432.34742.3530
H51.08992.13932.47143.69551.77572.43082.5305
H61.08802.16082.47842.89431.77572.52943.0662
H72.14341.09053.82592.34742.43082.52941.7782
H82.16311.08842.98892.35302.53053.06621.7782

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 112.092 C1 C2 H7 109.528
C1 C2 H8 111.218 C2 C1 Br3 112.231
C2 C1 Cl4 37.083 C2 C1 H6 111.060
Br3 C1 H5 107.184 Br3 C1 H6 107.769
Cl4 C2 H7 106.986 Cl4 C2 H8 107.497
H5 C1 H6 109.242 H7 C2 H8 109.392
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability