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

using model chemistry: CCD/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 CCD/6-31G**
 hartrees
Energy at 0K-2688.188251
Energy at 298.15K-2688.198815
HF Energy-2687.588556
Nuclear repulsion energy250.747536
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 CCD/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' 3229 3028 23.62      
2 A' 3205 3005 35.29      
3 A' 3185 2986 0.81      
4 A' 3119 2924 24.68      
5 A' 1566 1468 5.39      
6 A' 1555 1458 6.25      
7 A' 1481 1389 2.91      
8 A' 1310 1229 48.77      
9 A' 1229 1152 20.61      
10 A' 1094 1026 5.28      
11 A' 927 869 5.03      
12 A' 571 536 14.42      
13 A' 412 386 1.24      
14 A' 309 289 1.20      
15 A' 276 258 0.58      
16 A" 3225 3024 11.13      
17 A" 3199 3000 2.00      
18 A" 3115 2920 11.81      
19 A" 1547 1451 0.55      
20 A" 1544 1448 1.85      
21 A" 1469 1378 6.54      
22 A" 1410 1322 0.76      
23 A" 1189 1115 0.48      
24 A" 991 929 0.04      
25 A" 969 909 0.93      
26 A" 296 277 0.61      
27 A" 255 240 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 21339.0 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 20007.4 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 CCD/6-31G**
ABC
0.26819 0.09646 0.07604

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.918 -0.426 0.000
Br2 -0.680 0.749 0.000
H3 1.750 0.275 0.000
C4 0.918 -1.259 1.270
C5 0.918 -1.259 -1.270
H6 0.044 -1.910 1.299
H7 1.815 -1.881 1.296
H8 0.907 -0.627 2.156
H9 0.044 -1.910 -1.299
H10 1.815 -1.881 -1.296
H11 0.907 -0.627 -2.156

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.98331.08791.51941.51942.15702.14532.16512.15702.14532.1651
Br21.98332.47602.86372.86373.04703.85013.00993.04703.85013.0099
H31.08792.47602.15862.15863.06092.51592.48403.06092.51592.4840
C41.51942.86372.15862.54091.08941.09211.08792.79082.78893.4840
C51.51942.86372.15862.54092.79082.78893.48401.08941.09211.0879
H62.15703.04703.06091.08942.79081.77091.76742.59833.14173.7850
H72.14533.85012.51591.09212.78891.77091.77103.14172.59183.7829
H82.16513.00992.48401.08793.48401.76741.77103.78503.78294.3113
H92.15703.04703.06092.79081.08942.59833.14173.78501.77091.7674
H102.14533.85012.51592.78891.09213.14172.59183.78291.77091.7710
H112.16513.00992.48403.48401.08793.78503.78294.31131.76741.7710

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 110.466 C1 C4 H7 109.375
C1 C4 H8 111.194 C1 C5 H9 110.466
C1 C5 H10 109.375 C1 C5 H11 111.194
Br2 C1 H3 103.584 Br2 C1 C4 108.967
Br2 C1 C5 108.967 H3 C1 C4 110.680
H3 C1 C5 110.680 C4 C1 C5 113.470
H6 C4 H7 108.549 H6 C4 H8 108.536
H7 C4 H8 108.661 H9 C5 H10 108.549
H9 C5 H11 108.536 H10 C5 H11 108.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability