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

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-2688.137495
Energy at 298.15K-2688.147998
HF Energy-2687.585368
Nuclear repulsion energy236.254643
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 MP2/6-31G**
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' 3228 3023 21.59      
2 A' 3176 2974 16.28      
3 A' 3147 2947 8.20      
4 A' 3128 2929 19.52      
5 A' 1566 1466 4.06      
6 A' 1550 1451 0.92      
7 A' 1539 1441 1.52      
8 A' 1464 1371 1.17      
9 A' 1410 1320 5.64      
10 A' 1290 1208 43.67      
11 A' 1152 1079 1.11      
12 A' 1085 1016 1.25      
13 A' 935 876 7.44      
14 A' 683 640 18.70      
15 A' 318 298 1.44      
16 A' 219 205 1.40      
17 A" 3254 3047 11.62      
18 A" 3224 3019 28.00      
19 A" 3199 2996 0.88      
20 A" 1559 1460 6.93      
21 A" 1358 1272 0.01      
22 A" 1286 1204 0.47      
23 A" 1092 1022 1.94      
24 A" 878 822 0.00      
25 A" 761 713 3.02      
26 A" 249 234 0.02      
27 A" 118 111 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 21433.6 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 20072.6 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 MP2/6-31G**
ABC
0.84764 0.05456 0.05277

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.842 0.000
C2 1.505 0.662 0.000
C3 2.218 2.012 0.000
Br4 -0.927 -0.887 0.000
H5 -0.349 1.364 0.888
H6 -0.349 1.364 -0.888
H7 1.794 0.081 0.876
H8 1.794 0.081 -0.876
H9 3.299 1.876 0.000
H10 1.954 2.595 -0.882
H11 1.954 2.595 0.882

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.51582.50811.96231.08721.08722.13662.13663.45702.76922.7692
C21.51581.52672.88372.17202.17201.09041.09042.16582.17152.1715
C32.50811.52674.27782.79272.79272.16252.16251.08891.08981.0898
Br41.96232.88374.27782.48822.48823.01803.01805.04904.60494.6049
H51.08722.17202.79272.48821.77522.49773.05763.78893.15442.6113
H61.08722.17202.79272.48821.77523.05762.49773.78892.61133.1544
H72.13661.09042.16253.01802.49773.05761.75232.50083.07202.5192
H82.13661.09042.16253.01803.05762.49771.75232.50082.51923.0720
H93.45702.16581.08895.04903.78893.78892.50082.50081.76171.7617
H102.76922.17151.08984.60493.15442.61133.07202.51921.76171.7637
H112.76922.17151.08984.60492.61133.15442.51923.07201.76171.7637

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 111.044 C1 C2 H7 109.044
C1 C2 H8 109.044 C2 C1 Br4 111.372
C2 C1 H5 112.064 C2 C1 H6 112.064
C2 C3 H9 110.682 C2 C3 H10 111.078
C2 C3 H11 111.078 C3 C2 H7 110.334
C3 C2 H8 110.334 Br4 C1 H5 105.755
Br4 C1 H6 105.755 H5 C1 H6 109.457
H7 C2 H8 106.937 H9 C3 H10 107.919
H9 C3 H11 107.919 H10 C3 H11 108.031
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability