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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-2688.120814
Energy at 298.15K-2688.131301
HF Energy-2687.573819
Nuclear repulsion energy235.455607
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 MP3/6-31G*
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' 3186 2990 24.38      
2 A' 3164 2970 12.68      
3 A' 3120 2929 9.27      
4 A' 3101 2910 19.85      
5 A' 1569 1473 5.92      
6 A' 1555 1459 1.51      
7 A' 1548 1453 2.15      
8 A' 1475 1384 2.21      
9 A' 1423 1335 6.87      
10 A' 1296 1217 39.83      
11 A' 1156 1085 1.74      
12 A' 1086 1019 1.17      
13 A' 937 880 7.39      
14 A' 679 637 20.27      
15 A' 319 299 1.64      
16 A' 221 208 1.50      
17 A" 3232 3033 9.22      
18 A" 3181 2986 33.67      
19 A" 3159 2965 0.14      
20 A" 1559 1464 8.56      
21 A" 1362 1278 0.01      
22 A" 1288 1209 0.36      
23 A" 1095 1028 2.09      
24 A" 883 829 0.01      
25 A" 764 717 3.78      
26 A" 245 230 0.03      
27 A" 117 110 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 21358.0 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 20046.6 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 MP3/6-31G*
ABC
0.84072 0.05422 0.05243

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.847 0.000
C2 1.509 0.664 0.000
C3 2.227 2.016 0.000
Br4 -0.930 -0.890 0.000
H5 -0.352 1.369 0.890
H6 -0.352 1.369 -0.890
H7 1.799 0.080 0.879
H8 1.799 0.080 -0.879
H9 3.312 1.876 0.000
H10 1.964 2.603 -0.886
H11 1.964 2.603 0.886

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.52012.51521.97031.09011.09012.14452.14453.46792.77962.7796
C21.52011.53092.89202.17972.17971.09481.09482.17212.18012.1801
C32.51521.53094.29092.80382.80382.16922.16921.09391.09501.0950
Br41.97032.89204.29092.49582.49583.02683.02685.06374.62204.6220
H51.09012.17972.80382.49581.78062.50743.06893.80403.16872.6241
H61.09012.17972.80382.49581.78063.06892.50743.80402.62413.1687
H72.14451.09482.16923.02682.50743.06891.75852.50733.08412.5290
H82.14451.09482.16923.02683.06892.50741.75852.50732.52903.0841
H93.46792.17211.09395.06373.80403.80402.50732.50731.76961.7696
H102.77962.18011.09504.62203.16872.62413.08412.52901.76961.7718
H112.77962.18011.09504.62202.62413.16872.52903.08411.76961.7718

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 111.053 C1 C2 H7 109.105
C1 C2 H8 109.105 C2 C1 Br4 111.247
C2 C1 H5 112.198 C2 C1 H6 112.198
C2 C3 H9 110.588 C2 C3 H10 111.160
C2 C3 H11 111.160 C3 C2 H7 110.308
C3 C2 H8 110.308 Br4 C1 H5 105.643
Br4 C1 H6 105.643 H5 C1 H6 109.511
H7 C2 H8 106.856 H9 C3 H10 107.893
H9 C3 H11 107.893 H10 C3 H11 108.009
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability