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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-2691.146861
Energy at 298.15K-2691.140387
HF Energy-2687.659102
Nuclear repulsion energy236.529083
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 CBS-Q
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' 3271 3271 36.03      
2 A' 3263 3263 33.55      
3 A' 3216 3216 12.25      
4 A' 3186 3186 33.01      
5 A' 1644 1644 3.40      
6 A' 1628 1628 0.39      
7 A' 1623 1623 3.45      
8 A' 1552 1552 0.52      
9 A' 1500 1500 9.65      
10 A' 1377 1377 60.56      
11 A' 1200 1200 1.90      
12 A' 1105 1105 0.92      
13 A' 964 964 6.17      
14 A' 709 709 39.05      
15 A' 332 332 3.10      
16 A' 232 232 1.66      
17 A" 3338 3338 16.42      
18 A" 3266 3266 52.42      
19 A" 3242 3242 5.39      
20 A" 1634 1634 6.53      
21 A" 1436 1436 0.00      
22 A" 1352 1352 0.50      
23 A" 1157 1157 1.71      
24 A" 921 921 0.00      
25 A" 794 794 2.78      
26 A" 254 254 0.03      
27 A" 122 122 1.07      

Unscaled Zero Point Vibrational Energy (zpe) 22157.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22157.8 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 CBS-Q
ABC
0.84070 0.05490 0.05308

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.835 0.000
C2 1.510 0.648 0.000
C3 2.236 1.998 0.000
Br4 -0.933 -0.879 0.000
H5 -0.348 1.355 0.882
H6 -0.348 1.355 -0.882
H7 1.799 0.068 0.873
H8 1.799 0.068 -0.873
H9 3.314 1.852 0.000
H10 1.982 2.586 -0.880
H11 1.982 2.586 0.880

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.52202.52041.95121.08181.08182.14212.14213.46662.78682.7868
C21.52201.53252.88132.17582.17581.08721.08722.16852.17992.1799
C32.52041.53254.27992.80582.80582.16222.16221.08771.08881.0888
Br41.95122.88134.27992.47162.47163.02113.02115.04924.61224.6122
H51.08182.17582.80582.47161.76482.50373.05803.80003.17022.6351
H61.08182.17582.80582.47161.76483.05802.50373.80002.63513.1702
H72.14211.08722.16223.02112.50373.05801.74682.49743.07322.5239
H82.14211.08722.16223.02113.05802.50371.74682.49742.52393.0732
H93.46662.16851.08775.04923.80003.80002.49742.49741.75761.7576
H102.78682.17991.08884.61223.17022.63513.07322.52391.75761.7602
H112.78682.17991.08884.61222.63513.17022.52393.07321.75761.7602

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 111.208 C1 C2 H7 109.226
C1 C2 H8 109.226 C2 C1 Br4 111.511
C2 C1 H5 112.253 C2 C1 H6 112.253
C2 C3 H9 110.565 C2 C3 H10 111.408
C2 C3 H11 111.408 C3 C2 H7 110.088
C3 C2 H8 110.088 Br4 C1 H5 105.547
Br4 C1 H6 105.547 H5 C1 H6 109.306
H7 C2 H8 106.900 H9 C3 H10 107.714
H9 C3 H11 107.714 H10 C3 H11 107.867
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability