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

using model chemistry: TPSSh/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'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-2690.313192
Energy at 298.15K-2690.323578
HF Energy-2690.313192
Nuclear repulsion energy236.776349
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 TPSSh/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' 3111 3002 30.50      
2 A' 3081 2973 18.24      
3 A' 3050 2943 10.22      
4 A' 3032 2926 26.63      
5 A' 1520 1466 3.13      
6 A' 1503 1450 0.57      
7 A' 1492 1439 1.01      
8 A' 1417 1367 0.66      
9 A' 1359 1311 1.60      
10 A' 1248 1204 41.22      
11 A' 1111 1072 1.10      
12 A' 1033 997 1.02      
13 A' 899 867 8.50      
14 A' 655 633 22.40      
15 A' 306 295 1.56      
16 A' 206 199 1.41      
17 A" 3144 3034 16.35      
18 A" 3107 2999 36.06      
19 A" 3082 2974 0.00      
20 A" 1511 1458 5.86      
21 A" 1319 1273 0.08      
22 A" 1243 1199 0.30      
23 A" 1056 1019 1.55      
24 A" 850 820 0.02      
25 A" 739 713 3.29      
26 A" 235 227 0.02      
27 A" 119 115 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 20712.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 19987.1 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 TPSSh/6-31G(2df,p)
ABC
0.84183 0.05484 0.05302

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.835 0.000
C2 1.508 0.633 0.000
C3 2.247 1.980 0.000
Br4 -0.935 -0.870 0.000
H5 -0.348 1.359 0.891
H6 -0.348 1.359 -0.891
H7 1.791 0.046 0.880
H8 1.791 0.046 -0.880
H9 3.330 1.822 0.000
H10 1.994 2.573 -0.886
H11 1.994 2.573 0.886

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.52172.52161.94531.09061.09062.14622.14623.47302.78942.7894
C21.52171.53602.86892.18372.18371.09491.09492.17552.18722.1872
C32.52161.53604.27202.81342.81342.17272.17271.09421.09551.0955
Br41.94532.86894.27202.47162.47163.00813.00815.04394.60684.6068
H51.09062.18372.81342.47161.78172.51073.07223.81293.18092.6386
H61.09062.18372.81342.47161.78173.07222.51073.81292.63863.1809
H72.14621.09492.17273.00812.51073.07221.75962.50913.08922.5350
H82.14621.09492.17273.00813.07222.51071.75962.50912.53503.0892
H93.47302.17551.09425.04393.81293.81292.50912.50911.76961.7696
H102.78942.18721.09554.60683.18092.63863.08922.53501.76961.7714
H112.78942.18721.09554.60682.63863.18092.53503.08921.76961.7714

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 111.107 C1 C2 H7 109.126
C1 C2 H8 109.126 C2 C1 Br4 111.093
C2 C1 H5 112.371 C2 C1 H6 112.371
C2 C3 H9 110.477 C2 C3 H10 111.333
C2 C3 H11 111.333 C3 C2 H7 110.218
C3 C2 H8 110.218 Br4 C1 H5 105.515
Br4 C1 H6 105.515 H5 C1 H6 109.538
H7 C2 H8 106.943 H9 C3 H10 107.826
H9 C3 H11 107.826 H10 C3 H11 107.895
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability