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

using model chemistry: MP4/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-2688.143490
Energy at 298.15K-2688.153941
HF Energy-2687.573309
Nuclear repulsion energy234.790637
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 MP4/6-31G*
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' 3146 3004        
2 A' 3107 2967        
3 A' 3073 2934        
4 A' 3058 2919        
5 A' 1554 1483        
6 A' 1540 1470        
7 A' 1529 1460        
8 A' 1457 1391        
9 A' 1402 1338        
10 A' 1276 1218        
11 A' 1141 1090        
12 A' 1072 1023        
13 A' 925 883        
14 A' 663 633        
15 A' 312 298        
16 A' 218 208        
17 A" 3176 3033        
18 A" 3138 2996        
19 A" 3114 2973        
20 A" 1546 1476        
21 A" 1346 1285        
22 A" 1274 1216        
23 A" 1079 1030        
24 A" 873 833        
25 A" 756 722        
26 A" 244 233        
27 A" 121 115        

Unscaled Zero Point Vibrational Energy (zpe) 21068.1 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 20115.8 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 MP4/6-31G*
ABC
0.83657 0.05393 0.05216

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.851 0.000
C2 1.511 0.671 0.000
C3 2.226 2.027 0.000
Br4 -0.930 -0.895 0.000
H5 -0.355 1.374 0.894
H6 -0.355 1.374 -0.894
H7 1.803 0.085 0.882
H8 1.803 0.085 -0.882
H9 3.315 1.892 0.000
H10 1.960 2.615 -0.889
H11 1.960 2.615 0.889

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.52152.51751.97831.09481.09482.14822.14823.47412.78262.7826
C21.52151.53312.90002.18502.18501.09851.09852.17812.18412.1841
C32.51751.53314.30102.80812.80812.17472.17471.09691.09831.0983
Br41.97832.90004.30102.50592.50593.03413.03415.07774.63274.6327
H51.09482.18502.80812.50591.78752.51353.07753.81203.17412.6264
H61.09482.18502.80812.50591.78753.07752.51353.81202.62643.1741
H72.14821.09852.17473.03412.51353.07751.76402.51583.09222.5350
H82.14821.09852.17473.03413.07752.51351.76402.51582.53503.0922
H93.47412.17811.09695.07773.81203.81202.51582.51581.77411.7741
H102.78262.18411.09834.63273.17412.62643.09222.53501.77411.7775
H112.78262.18411.09834.63272.62643.17412.53503.09221.77411.7775

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 111.014 C1 C2 H7 109.085
C1 C2 H8 109.085 C2 C1 Br4 111.244
C2 C1 H5 112.236 C2 C1 H6 112.236
C2 C3 H9 110.732 C2 C3 H10 111.131
C2 C3 H11 111.131 C3 C2 H7 110.366
C3 C2 H8 110.366 Br4 C1 H5 105.633
Br4 C1 H6 105.633 H5 C1 H6 109.450
H7 C2 H8 106.819 H9 C3 H10 107.837
H9 C3 H11 107.837 H10 C3 H11 108.031
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability