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All results from a given calculation for CH3CH2CH2Br (n-propyl bromide)

using model chemistry: MP4/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-2690.740813
Energy at 298.15K-2690.751273
HF Energy-2690.084764
Nuclear repulsion energy235.345711
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 MP4/6-311G**
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' 3125 3030        
2 A' 3088 2994        
3 A' 3059 2966        
4 A' 3038 2946        
5 A' 1520 1474        
6 A' 1503 1458        
7 A' 1493 1448        
8 A' 1426 1383        
9 A' 1385 1343        
10 A' 1274 1236        
11 A' 1126 1092        
12 A' 1060 1028        
13 A' 915 887        
14 A' 672 652        
15 A' 312 302        
16 A' 216 210        
17 A" 3155 3059        
18 A" 3120 3025        
19 A" 3098 3004        
20 A" 1510 1464        
21 A" 1332 1292        
22 A" 1257 1219        
23 A" 1073 1040        
24 A" 866 840        
25 A" 753 730        
26 A" 239 232        
27 A" 118 114        

Unscaled Zero Point Vibrational Energy (zpe) 20867.0 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 20234.7 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 MP4/6-311G**
ABC
0.84056 0.05412 0.05235

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.837 0.000
C2 1.515 0.660 0.000
C3 2.227 2.022 0.000
Br4 -0.932 -0.889 0.000
H5 -0.341 1.370 0.893
H6 -0.341 1.370 -0.893
H7 1.810 0.079 0.883
H8 1.810 0.079 -0.883
H9 3.316 1.891 0.000
H10 1.955 2.607 -0.888
H11 1.955 2.607 0.888

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.52572.52231.96151.09421.09422.15222.15223.47902.78262.7826
C21.52571.53592.89662.17882.17881.09761.09762.18052.18422.1842
C32.52231.53594.29532.79562.79562.17412.17411.09651.09791.0979
Br41.96152.89664.29532.49992.49993.03933.03935.07644.61994.6199
H51.09422.17882.79562.49991.78522.50923.07393.79993.15792.6079
H61.09422.17882.79562.49991.78523.07392.50923.79992.60793.1579
H72.15221.09762.17413.03932.50923.07391.76602.51563.09002.5319
H82.15221.09762.17413.03933.07392.50921.76602.51562.53193.0900
H93.47902.18051.09655.07643.79993.79992.51562.51561.77561.7756
H102.78262.18421.09794.61993.15792.60793.09002.53191.77561.7764
H112.78262.18421.09794.61992.60793.15792.53193.09001.77561.7764

picture of n-propyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 110.946 C1 C2 H7 109.162
C1 C2 H8 109.162 C2 C1 Br4 111.722
C2 C1 H5 111.469 C2 C1 H6 111.469
C2 C3 H9 110.751 C2 C3 H10 110.962
C2 C3 H11 110.962 C3 C2 H7 110.179
C3 C2 H8 110.179 Br4 C1 H5 106.297
Br4 C1 H6 106.297 H5 C1 H6 109.323
H7 C2 H8 107.124 H9 C3 H10 108.022
H9 C3 H11 108.022 H10 C3 H11 107.999
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability