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

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-2688.049433
Energy at 298.15K-2688.059977
HF Energy-2687.574167
Nuclear repulsion energy236.220361
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/6-31G*
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' 3227 2987 30.08      
2 A' 3214 2976 14.38      
3 A' 3167 2932 9.69      
4 A' 3145 2911 23.40      
5 A' 1597 1478 5.28      
6 A' 1582 1465 1.17      
7 A' 1576 1459 2.55      
8 A' 1506 1394 1.70      
9 A' 1453 1345 7.93      
10 A' 1327 1228 45.79      
11 A' 1176 1089 1.89      
12 A' 1101 1019 1.07      
13 A' 952 881 7.08      
14 A' 691 639 25.80      
15 A' 324 300 2.08      
16 A' 226 209 1.53      
17 A" 3282 3039 10.14      
18 A" 3224 2985 39.27      
19 A" 3203 2965 0.07      
20 A" 1587 1470 8.12      
21 A" 1389 1286 0.01      
22 A" 1313 1216 0.39      
23 A" 1119 1036 1.97      
24 A" 899 832 0.00      
25 A" 776 719 3.48      
26 A" 249 230 0.03      
27 A" 119 110 0.95      

Unscaled Zero Point Vibrational Energy (zpe) 21711.1 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 20100.2 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/6-31G*
ABC
0.84744 0.05452 0.05273

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.842 0.000
C2 1.506 0.661 0.000
C3 2.222 2.010 0.000
Br4 -0.928 -0.886 0.000
H5 -0.350 1.362 0.886
H6 -0.350 1.362 -0.886
H7 1.796 0.080 0.876
H8 1.796 0.080 -0.876
H9 3.303 1.872 0.000
H10 1.961 2.596 -0.882
H11 1.961 2.596 0.882

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.51682.51021.96151.08551.08552.13892.13893.45962.77492.7749
C21.51681.52732.88422.17302.17301.09041.09042.16662.17502.1750
C32.51021.52734.27912.79622.79622.16202.16201.08991.09101.0910
Br41.96152.88424.27912.48502.48503.02053.02055.05044.60994.6099
H51.08552.17302.79622.48501.77192.50063.05883.79313.16042.6194
H61.08552.17302.79622.48501.77193.05882.50063.79312.61943.1604
H72.13891.09042.16203.02052.50063.05881.75142.49943.07422.5219
H82.13891.09042.16203.02053.05882.50061.75142.49942.52193.0742
H93.45962.16661.08995.05043.79313.79312.49942.49941.76211.7621
H102.77492.17501.09104.60993.16042.61943.07422.52191.76211.7647
H112.77492.17501.09104.60992.61943.16042.52193.07421.76211.7647

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 111.098 C1 C2 H7 109.149
C1 C2 H8 109.149 C2 C1 Br4 111.392
C2 C1 H5 112.170 C2 C1 H6 112.170
C2 C3 H9 110.644 C2 C3 H10 111.246
C2 C3 H11 111.246 C3 C2 H7 110.247
C3 C2 H8 110.247 Br4 C1 H5 105.656
Br4 C1 H6 105.656 H5 C1 H6 109.397
H7 C2 H8 106.847 H9 C3 H10 107.801
H9 C3 H11 107.801 H10 C3 H11 107.953
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability