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

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-2688.080926
Energy at 298.15K-2688.091423
HF Energy-2687.573838
Nuclear repulsion energy235.879092
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 MP2/6-31G*
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' 3199 3017 20.20      
2 A' 3156 2976 13.84      
3 A' 3123 2945 7.95      
4 A' 3105 2928 18.10      
5 A' 1570 1481 6.05      
6 A' 1556 1468 1.37      
7 A' 1545 1457 1.83      
8 A' 1471 1387 2.48      
9 A' 1413 1332 6.78      
10 A' 1293 1219 39.49      
11 A' 1155 1089 1.83      
12 A' 1085 1023 1.53      
13 A' 937 883 8.55      
14 A' 681 643 19.84      
15 A' 319 301 1.55      
16 A' 221 209 1.50      
17 A" 3231 3047 9.06      
18 A" 3196 3014 27.38      
19 A" 3172 2991 0.72      
20 A" 1564 1474 8.62      
21 A" 1360 1283 0.01      
22 A" 1288 1215 0.39      
23 A" 1095 1032 2.19      
24 A" 883 832 0.02      
25 A" 765 722 4.07      
26 A" 249 235 0.03      
27 A" 119 112 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 21374.9 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 20156.5 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 MP2/6-31G*
ABC
0.84276 0.05444 0.05265

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.845 0.000
C2 1.506 0.664 0.000
C3 2.217 2.018 0.000
Br4 -0.927 -0.890 0.000
H5 -0.350 1.368 0.892
H6 -0.350 1.368 -0.892
H7 1.796 0.082 0.880
H8 1.796 0.082 -0.880
H9 3.302 1.880 0.000
H10 1.952 2.603 -0.886
H11 1.952 2.603 0.886

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.51672.50791.96741.09111.09112.14102.14103.46042.77182.7718
C21.51671.52892.88692.17602.17601.09461.09462.16912.17762.1776
C32.50791.52894.28242.79432.79432.16772.16771.09371.09441.0944
Br41.96742.88694.28242.49512.49513.02243.02245.05554.61224.6122
H51.09112.17602.79432.49511.78332.50203.06593.79433.15972.6123
H61.09112.17602.79432.49511.78333.06592.50203.79432.61233.1597
H72.14101.09462.16773.02242.50203.06591.76062.50523.08192.5257
H82.14101.09462.16773.02243.06592.50201.76062.50522.52573.0819
H93.46042.16911.09375.05553.79433.79432.50522.50521.76941.7694
H102.77182.17761.09444.61223.15972.61233.08192.52571.76941.7718
H112.77182.17761.09444.61222.61233.15972.52573.08191.76941.7718

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 110.860 C1 C2 H7 109.077
C1 C2 H8 109.077 C2 C1 Br4 111.245
C2 C1 H5 112.074 C2 C1 H6 112.074
C2 C3 H9 110.498 C2 C3 H10 111.136
C2 C3 H11 111.136 C3 C2 H7 110.331
C3 C2 H8 110.331 Br4 C1 H5 105.733
Br4 C1 H6 105.733 H5 C1 H6 109.607
H7 C2 H8 107.073 H9 C3 H10 107.924
H9 C3 H11 107.924 H10 C3 H11 108.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability