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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-2690.670443
Energy at 298.15K-2690.680942
HF Energy-2690.085086
Nuclear repulsion energy236.519935
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 MP2/6-311G**
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' 3168 3011 23.40      
2 A' 3121 2966 20.26      
3 A' 3095 2941 8.47      
4 A' 3074 2921 21.25      
5 A' 1527 1451 5.78      
6 A' 1510 1435 0.84      
7 A' 1501 1426 1.82      
8 A' 1429 1357 1.98      
9 A' 1388 1319 8.56      
10 A' 1284 1220 39.03      
11 A' 1137 1081 1.14      
12 A' 1073 1020 1.10      
13 A' 925 879 7.66      
14 A' 693 658 16.08      
15 A' 319 303 0.98      
16 A' 218 208 1.12      
17 A" 3193 3034 15.83      
18 A" 3164 3007 27.74      
19 A" 3142 2985 0.06      
20 A" 1518 1442 8.46      
21 A" 1341 1274 0.00      
22 A" 1265 1202 0.69      
23 A" 1084 1030 2.86      
24 A" 873 830 0.03      
25 A" 762 724 3.14      
26 A" 242 230 0.04      
27 A" 118 112 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 21080.9 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 20031.1 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 MP2/6-311G**
ABC
0.84763 0.05468 0.05289

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.829 0.000
C2 1.510 0.655 0.000
C3 2.215 2.013 0.000
Br4 -0.928 -0.884 0.000
H5 -0.339 1.363 0.890
H6 -0.339 1.363 -0.890
H7 1.805 0.075 0.880
H8 1.805 0.075 -0.880
H9 3.300 1.886 0.000
H10 1.943 2.595 -0.886
H11 1.943 2.595 0.886

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.51972.51121.94791.09141.09142.14492.14493.46542.77122.7712
C21.51971.53042.88212.17012.17011.09441.09442.17302.17692.1769
C32.51121.53044.27372.78092.78092.16742.16741.09331.09441.0944
Br41.94792.88214.27372.48722.48723.02673.02675.05424.59664.5966
H51.09142.17012.78092.48721.77952.50043.06353.78253.14282.5932
H61.09142.17012.78092.48721.77953.06352.50043.78252.59323.1428
H72.14491.09442.16743.02672.50043.06351.76082.50773.08042.5238
H82.14491.09442.16743.02673.06352.50041.76082.50772.52383.0804
H93.46542.17301.09335.05423.78253.78252.50772.50771.76961.7696
H102.77122.17691.09444.59663.14282.59323.08042.52381.76961.7716
H112.77122.17691.09444.59662.59323.14282.52383.08041.76961.7716

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 110.837 C1 C2 H7 109.189
C1 C2 H8 109.189 C2 C1 Br4 111.843
C2 C1 H5 111.368 C2 C1 H6 111.368
C2 C3 H9 110.734 C2 C3 H10 110.976
C2 C3 H11 110.976 C3 C2 H7 110.215
C3 C2 H8 110.215 Br4 C1 H5 106.398
Br4 C1 H6 106.398 H5 C1 H6 109.217
H7 C2 H8 107.111 H9 C3 H10 107.978
H9 C3 H11 107.978 H10 C3 H11 108.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability