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

using model chemistry: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-2692.823998
Energy at 298.15K-2692.834396
HF Energy-2692.823998
Nuclear repulsion energy249.367252
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 B3LYP/aug-cc-pVTZ
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' 3124 3022 21.48      
2 A' 3101 3000 13.93      
3 A' 3082 2982 8.73      
4 A' 3025 2927 34.22      
5 A' 1506 1457 5.82      
6 A' 1491 1442 11.24      
7 A' 1423 1377 4.35      
8 A' 1251 1210 40.63      
9 A' 1179 1141 36.22      
10 A' 1057 1022 9.49      
11 A' 883 854 9.92      
12 A' 525 508 20.86      
13 A' 405 392 2.03      
14 A' 290 280 3.14      
15 A' 253 244 0.74      
16 A" 3116 3015 11.06      
17 A" 3084 2984 3.04      
18 A" 3019 2921 8.98      
19 A" 1486 1438 0.11      
20 A" 1479 1431 2.91      
21 A" 1407 1362 10.72      
22 A" 1363 1319 1.42      
23 A" 1142 1105 1.65      
24 A" 952 921 0.55      
25 A" 945 915 0.84      
26 A" 281 271 0.50      
27 A" 233 226 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 20549.9 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 19882.0 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 B3LYP/aug-cc-pVTZ
ABC
0.26809 0.09486 0.07497

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.914 -0.450 0.000
Br2 -0.678 0.765 0.000
H3 1.747 0.247 0.000
C4 0.914 -1.280 1.271
C5 0.914 -1.280 -1.271
H6 0.043 -1.933 1.310
H7 1.811 -1.904 1.293
H8 0.914 -0.650 2.159
H9 0.043 -1.933 -1.310
H10 1.811 -1.904 -1.293
H11 0.914 -0.650 -2.159

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C12.00281.08631.51821.51822.16202.14232.16822.16202.14232.1682
Br22.00282.47972.88652.88653.08453.87173.03263.08453.87173.0326
H31.08632.47972.15452.15453.06162.51042.48213.06162.51042.4821
C41.51822.88652.15452.54291.08961.09311.08822.80202.78753.4877
C51.51822.88652.15452.54292.80202.78753.48771.08961.09311.0882
H62.16203.08453.06161.08962.80201.76881.76742.62063.14733.7999
H72.14233.87172.51041.09312.78751.76881.76853.14732.58583.7806
H82.16823.03262.48211.08823.48771.76741.76853.79993.78064.3179
H92.16203.08453.06162.80201.08962.62063.14733.79991.76881.7674
H102.14233.87172.51042.78751.09313.14732.58583.78061.76881.7685
H112.16823.03262.48213.48771.08823.79993.78064.31791.76741.7685

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 110.937 C1 C4 H7 109.173
C1 C4 H8 111.522 C1 C5 H9 110.937
C1 C5 H10 109.173 C1 C5 H11 111.522
Br2 C1 H3 102.714 Br2 C1 C4 109.362
Br2 C1 C5 109.362 H3 C1 C4 110.533
H3 C1 C5 110.533 C4 C1 C5 113.754
H6 C4 H7 108.271 H6 C4 H8 108.504
H7 C4 H8 108.344 H9 C5 H10 108.271
H9 C5 H11 108.504 H10 C5 H11 108.344
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability