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

using model chemistry: CISD/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 CISD/6-311G*
 hartrees
Energy at 0K-2690.579859
Energy at 298.15K-2690.590420
HF Energy-2690.075483
Nuclear repulsion energy236.602761
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 CISD/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' 3202 2963 36.51      
2 A' 3189 2951 19.13      
3 A' 3148 2913 10.94      
4 A' 3123 2889 26.57      
5 A' 1581 1463 8.08      
6 A' 1566 1449 1.27      
7 A' 1559 1443 3.27      
8 A' 1492 1380 2.80      
9 A' 1445 1338 11.71      
10 A' 1331 1232 41.75      
11 A' 1168 1081 2.32      
12 A' 1094 1012 1.09      
13 A' 946 876 7.46      
14 A' 699 647 24.38      
15 A' 326 301 1.66      
16 A' 225 209 1.34      
17 A" 3254 3011 15.38      
18 A" 3202 2963 43.02      
19 A" 3180 2943 1.25      
20 A" 1572 1455 10.07      
21 A" 1389 1285 0.00      
22 A" 1308 1210 0.62      
23 A" 1125 1041 2.93      
24 A" 897 830 0.02      
25 A" 771 713 4.07      
26 A" 247 229 0.05      
27 A" 120 111 0.86      

Unscaled Zero Point Vibrational Energy (zpe) 21579.7 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 19967.7 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 CISD/6-311G*
ABC
0.85293 0.05462 0.05284

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.831 0.000
C2 1.508 0.660 0.000
C3 2.213 2.015 0.000
Br4 -0.927 -0.886 0.000
H5 -0.346 1.357 0.884
H6 -0.346 1.357 -0.884
H7 1.805 0.083 0.875
H8 1.805 0.083 -0.875
H9 3.294 1.886 0.000
H10 1.950 2.600 -0.881
H11 1.950 2.600 0.881

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.51752.51011.95091.08501.08502.14042.14043.45922.77622.7762
C21.51751.52732.88412.16852.16851.08951.08952.16662.17572.1757
C32.51011.52734.27492.78622.78622.16002.16001.08871.08991.0899
Br41.95092.88414.27492.47962.47963.02733.02735.05004.60464.6046
H51.08502.16852.78622.47961.76712.49963.05623.78313.15102.6105
H61.08502.16852.78622.47961.76713.05622.49963.78312.61053.1510
H72.14041.08952.16003.02732.49963.05621.74982.49743.07252.5214
H82.14041.08952.16003.02733.05622.49961.74982.49742.52143.0725
H93.45922.16661.08875.05003.78313.78312.49742.49741.75881.7588
H102.77622.17571.08994.60463.15102.61053.07252.52141.75881.7619
H112.77622.17571.08994.60462.61053.15102.52143.07251.75881.7619

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 111.055 C1 C2 H7 109.280
C1 C2 H8 109.280 C2 C1 Br4 111.913
C2 C1 H5 111.795 C2 C1 H6 111.795
C2 C3 H9 110.720 C2 C3 H10 111.376
C2 C3 H11 111.376 C3 C2 H7 110.141
C3 C2 H8 110.141 Br4 C1 H5 105.979
Br4 C1 H6 105.979 H5 C1 H6 109.047
H7 C2 H8 106.843 H9 C3 H10 107.670
H9 C3 H11 107.670 H10 C3 H11 107.859
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability