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All results from a given calculation for CH3CHBrCH3 (i-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-2690.674814
Energy at 298.15K-2690.685404
HF Energy-2690.087117
Nuclear repulsion energy251.557917
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' 3186 3027 19.61      
2 A' 3164 3007 31.91      
3 A' 3135 2979 1.89      
4 A' 3073 2920 22.14      
5 A' 1523 1447 7.61      
6 A' 1514 1439 8.16      
7 A' 1437 1366 5.24      
8 A' 1294 1230 46.44      
9 A' 1204 1144 18.97      
10 A' 1082 1028 8.35      
11 A' 922 876 5.19      
12 A' 583 554 12.33      
13 A' 410 390 1.06      
14 A' 315 299 0.69      
15 A' 283 269 0.57      
16 A" 3182 3024 9.99      
17 A" 3158 3001 1.31      
18 A" 3070 2917 11.43      
19 A" 1502 1428 0.87      
20 A" 1500 1426 1.91      
21 A" 1423 1352 10.47      
22 A" 1369 1301 0.59      
23 A" 1172 1113 0.70      
24 A" 972 924 0.08      
25 A" 951 903 1.20      
26 A" 297 282 0.43      
27 A" 258 246 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 20990.2 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 19944.9 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
0.26927 0.09723 0.07661

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 0.901 -0.425 0.000
Br2 -0.669 0.754 0.000
H3 1.751 0.260 0.000
C4 0.901 -1.266 1.267
C5 0.901 -1.266 -1.267
H6 0.018 -1.910 1.296
H7 1.796 -1.898 1.279
H8 0.903 -0.639 2.161
H9 0.018 -1.910 -1.296
H10 1.796 -1.898 -1.279
H11 0.903 -0.639 -2.161

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.96331.09231.52041.52042.15972.14592.17182.15972.14592.1718
Br21.96332.47012.85432.85433.04123.83953.01333.04123.83953.0133
H31.09232.47012.15792.15793.06502.50872.48983.06502.50872.4898
C41.52042.85432.15792.53431.09341.09601.09192.78662.77213.4852
C51.52042.85432.15792.53432.78662.77213.48521.09341.09601.0919
H62.15973.04123.06501.09342.78661.77801.77422.59243.12943.7886
H72.14593.83952.50871.09602.77211.77801.77793.12942.55823.7708
H82.17183.01332.48981.09193.48521.77421.77793.78863.77084.3225
H92.15973.04123.06502.78661.09342.59243.12943.78861.77801.7742
H102.14593.83952.50872.77211.09603.12942.55823.77081.77801.7779
H112.17183.01332.48983.48521.09193.78863.77084.32251.77421.7779

picture of i-propyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H6 110.367 C1 C4 H7 109.135
C1 C4 H8 111.423 C1 C5 H9 110.367
C1 C5 H10 109.135 C1 C5 H11 111.423
Br2 C1 H3 104.222 Br2 C1 C4 109.382
Br2 C1 C5 109.382 H3 C1 C4 110.291
H3 C1 C5 110.291 C4 C1 C5 112.907
H6 C4 H7 108.603 H6 C4 H8 108.551
H7 C4 H8 108.702 H9 C5 H10 108.603
H9 C5 H11 108.551 H10 C5 H11 108.702
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability