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

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-2688.130457
Energy at 298.15K-2688.140919
HF Energy-2687.573503
Nuclear repulsion energy235.043699
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 QCISD/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' 3146 2996 28.67      
2 A' 3127 2978 14.68      
3 A' 3083 2936 9.96      
4 A' 3064 2918 22.52      
5 A' 1558 1484 5.14      
6 A' 1544 1471 1.38      
7 A' 1537 1463 1.97      
8 A' 1466 1396 1.83      
9 A' 1413 1346 6.29      
10 A' 1286 1225 41.84      
11 A' 1148 1094 1.59      
12 A' 1078 1026 1.04      
13 A' 931 886 7.02      
14 A' 668 637 21.18      
15 A' 316 301 1.79      
16 A' 220 210 1.47      
17 A" 3193 3041 11.47      
18 A" 3141 2991 37.86      
19 A" 3119 2971 0.05      
20 A" 1549 1475 7.83      
21 A" 1353 1288 0.01      
22 A" 1280 1219 0.37      
23 A" 1086 1034 1.99      
24 A" 877 835 0.00      
25 A" 759 723 3.42      
26 A" 243 232 0.03      
27 A" 116 111 0.88      

Unscaled Zero Point Vibrational Energy (zpe) 21150.2 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 20141.3 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 QCISD/6-31G*
ABC
0.83803 0.05404 0.05226

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.849 0.000
C2 1.510 0.667 0.000
C3 2.229 2.021 0.000
Br4 -0.931 -0.892 0.000
H5 -0.354 1.372 0.892
H6 -0.354 1.372 -0.892
H7 1.801 0.082 0.881
H8 1.801 0.082 -0.881
H9 3.316 1.882 0.000
H10 1.965 2.610 -0.888
H11 1.965 2.610 0.888

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.52122.51751.97481.09271.09272.14732.14733.47302.78362.7836
C21.52121.53202.89682.18322.18321.09741.09742.17602.18362.1836
C32.51751.53204.29722.80782.80782.17222.17221.09651.09771.0977
Br41.97482.89684.29722.50132.50133.03143.03145.07254.63024.6302
H51.09272.18322.80782.50131.78432.51193.07473.81083.17432.6283
H61.09272.18322.80782.50131.78433.07472.51193.81082.62833.1743
H72.14731.09742.17223.03142.51193.07471.76212.51203.09002.5336
H82.14731.09742.17223.03143.07472.51191.76212.51202.53363.0900
H93.47302.17601.09655.07253.81083.81082.51202.51201.77321.7732
H102.78362.18361.09774.63023.17432.62833.09002.53361.77321.7756
H112.78362.18361.09774.63022.62833.17432.53363.09001.77321.7756

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 111.090 C1 C2 H7 109.105
C1 C2 H8 109.105 C2 C1 Br4 111.248
C2 C1 H5 112.237 C2 C1 H6 112.237
C2 C3 H9 110.669 C2 C3 H10 111.199
C2 C3 H11 111.199 C3 C2 H7 110.315
C3 C2 H8 110.315 Br4 C1 H5 105.627
Br4 C1 H6 105.627 H5 C1 H6 109.455
H7 C2 H8 106.803 H9 C3 H10 107.834
H9 C3 H11 107.834 H10 C3 H11 107.961
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability