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

using model chemistry: CID/6-31G*

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 CID/6-31G*
 hartrees
Energy at 0K-3107.905293
Energy at 298.15K 
HF Energy-3107.438937
Nuclear repulsion energy289.230641
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 CID/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 208 192 7.47      
2 A' 263 243 0.86      
3 A' 686 634 52.61      
4 A' 814 752 28.96      
5 A' 1127 1041 1.43      
6 A' 1313 1212 49.02      
7 A' 1423 1315 2.81      
8 A' 1577 1457 7.53      
9 A' 1581 1461 0.82      
10 A' 3230 2984 4.01      
11 A' 3240 2993 7.42      
12 A" 119 110 6.52      
13 A" 801 740 3.15      
14 A" 1038 959 0.20      
15 A" 1206 1114 2.19      
16 A" 1369 1265 0.08      
17 A" 3292 3041 0.76      
18 A" 3317 3064 1.57      

Unscaled Zero Point Vibrational Energy (zpe) 13302.4 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 12287.4 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 CID/6-31G*
ABC
0.96401 0.03284 0.03214

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.650 0.000
C2 1.233 -0.225 0.000
Br3 -1.589 -0.487 0.000
Cl4 2.693 0.804 0.000
H5 -0.057 1.268 0.888
H6 -0.057 1.268 -0.888
H7 1.269 -0.851 0.885
H8 1.269 -0.851 -0.885

Atom - Atom Distances (Å)
  C1 C2 Br3 Cl4 H5 H6 H7 H8
C11.51151.95372.69741.08371.08372.15542.1554
C21.51152.83341.78632.16372.16371.08471.0847
Br31.95372.83344.47212.49332.49333.01303.0130
Cl42.69741.78634.47212.92702.92702.35632.3563
H51.08372.16372.49332.92701.77622.50003.0648
H61.08372.16372.49332.92701.77623.06482.5000
H72.15541.08473.01302.35632.50003.06481.7695
H82.15541.08473.01302.35633.06482.50001.7695

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 109.475 C1 C2 H7 111.173
C1 C2 H8 111.173 C2 C1 Br3 109.040
C2 C1 Cl4 38.635 C2 C1 H6 111.914
Br3 C1 H5 106.817 Br3 C1 H6 106.817
Cl4 C2 H7 107.798 Cl4 C2 H8 107.798
H5 C1 H6 110.074 H7 C2 H8 109.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-3107.902535
Energy at 298.15K 
HF Energy-3107.435592
Nuclear repulsion energy305.850481
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 CID/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3297 3045 1.54      
2 A 3275 3025 1.88      
3 A 3224 2978 12.07      
4 A 3204 2959 9.31      
5 A 1568 1448 1.52      
6 A 1560 1441 10.18      
7 A 1433 1323 27.65      
8 A 1382 1276 48.76      
9 A 1291 1193 2.90      
10 A 1218 1125 1.65      
11 A 1106 1022 1.36      
12 A 997 921 8.59      
13 A 928 857 18.55      
14 A 734 678 18.09      
15 A 609 563 13.00      
16 A 408 377 7.54      
17 A 254 235 1.19      
18 A 108 99 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 13296.6 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 12282.0 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 CID/6-31G*
ABC
0.29524 0.04997 0.04464

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.012 1.108 -0.383
C2 1.284 0.895 0.403
Br3 -1.347 -0.225 0.036
Cl4 2.151 -0.578 -0.088
H5 -0.421 2.071 -0.130
H6 0.184 1.052 -1.452
H7 1.955 1.734 0.230
H8 1.077 0.819 1.466

Atom - Atom Distances (Å)
  C1 C2 Br3 Cl4 H5 H6 H7 H8
C11.51101.94862.74031.08581.08412.13122.1536
C21.51102.88291.77892.13902.16251.08791.0852
Br31.94862.88293.51822.48112.48743.84363.0015
Cl42.74031.77893.51823.69312.89602.34252.3493
H51.08582.13902.48113.69311.77582.42612.5220
H61.08412.16252.48742.89601.77582.53513.0602
H72.13121.08793.84362.34252.42612.53511.7710
H82.15361.08523.00152.34932.52203.06021.7710

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 112.549 C1 C2 H7 109.089
C1 C2 H8 111.033 C2 C1 Br3 112.260
C2 C1 Cl4 36.836 C2 C1 H6 111.822
Br3 C1 H5 106.185 Br3 C1 H6 106.709
Cl4 C2 H7 107.122 Cl4 C2 H8 107.755
H5 C1 H6 109.838 H7 C2 H8 109.170
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability