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All results from a given calculation for CH3CHBrCH3 (i-propyl bromide)

using model chemistry: MP2=FULL/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=FULL/6-31G
 hartrees
Energy at 0K-2687.732046
Energy at 298.15K-2687.742605
HF Energy-2687.403118
Nuclear repulsion energy247.614670
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=FULL/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' 3175 3016 35.07      
2 A' 3153 2995 27.78      
3 A' 3138 2981 3.92      
4 A' 3062 2909 26.13      
5 A' 1573 1495 9.91      
6 A' 1569 1491 7.55      
7 A' 1503 1428 4.71      
8 A' 1326 1260 43.58      
9 A' 1244 1182 30.04      
10 A' 1102 1047 4.86      
11 A' 918 872 6.21      
12 A' 549 522 14.28      
13 A' 415 394 1.25      
14 A' 300 285 1.63      
15 A' 278 264 0.76      
16 A" 3167 3009 13.07      
17 A" 3143 2986 3.67      
18 A" 3059 2907 13.12      
19 A" 1558 1480 1.13      
20 A" 1557 1479 3.35      
21 A" 1486 1412 10.74      
22 A" 1416 1346 2.04      
23 A" 1187 1127 2.09      
24 A" 1006 956 0.28      
25 A" 996 946 1.71      
26 A" 294 280 0.60      
27 A" 258 245 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 21214.7 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 20156.1 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=FULL/6-31G
ABC
0.26202 0.09411 0.07426

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.468 -0.935 0.000
Br2 -0.067 1.022 0.000
H3 1.562 -0.899 0.000
C4 -0.067 -1.571 1.284
C5 -0.067 -1.571 -1.284
H6 -1.164 -1.532 1.305
H7 0.247 -2.625 1.332
H8 0.313 -1.053 2.173
H9 -1.164 -1.532 -1.305
H10 0.247 -2.625 -1.332
H11 0.313 -1.053 -2.173

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C12.02951.09461.53001.53002.17342.16342.18142.17342.16342.1814
Br22.02952.51912.89432.89433.07113.89593.02873.07113.89593.0287
H31.09462.51912.18112.18113.08822.54682.51083.08822.54682.5108
C41.53002.89432.18112.56851.09781.10051.09662.81202.83823.5161
C51.53002.89432.18112.56852.81202.83823.51611.09781.10051.0966
H62.17343.07113.08821.09782.81201.78491.77922.60943.18423.8084
H72.16343.89592.54681.10052.83821.78491.78363.18422.66483.8419
H82.18143.02872.51081.09663.51611.77921.78363.80843.84194.3453
H92.17343.07113.08822.81201.09782.60943.18423.80841.78491.7792
H102.16343.89592.54682.83821.10053.18422.66483.84191.78491.7836
H112.18143.02872.51083.51611.09663.80843.84194.34531.77921.7836

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 110.522 C1 C4 H7 109.571
C1 C4 H8 111.225 C1 C5 H9 110.522
C1 C5 H10 109.571 C1 C5 H11 111.225
Br2 C1 H3 103.392 Br2 C1 C4 107.985
Br2 C1 C5 107.985 H3 C1 C4 111.326
H3 C1 C5 111.326 C4 C1 C5 114.146
H6 C4 H7 108.571 H6 C4 H8 108.343
H7 C4 H8 108.542 H9 C5 H10 108.571
H9 C5 H11 108.343 H10 C5 H11 108.542
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability