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

using model chemistry: M06-2X/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 M06-2X/6-31G*
 hartrees
Energy at 0K-2690.251958
Energy at 298.15K-2690.262414
HF Energy-2690.251958
Nuclear repulsion energy251.421406
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 M06-2X/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' 3183 3014 16.81      
2 A' 3163 2996 24.93      
3 A' 3146 2980 2.19      
4 A' 3081 2918 20.18      
5 A' 1532 1451 7.33      
6 A' 1522 1442 8.39      
7 A' 1446 1370 5.49      
8 A' 1274 1207 47.76      
9 A' 1198 1135 24.84      
10 A' 1072 1015 8.70      
11 A' 917 868 6.01      
12 A' 561 532 19.03      
13 A' 408 387 1.80      
14 A' 303 287 2.40      
15 A' 263 249 0.41      
16 A" 3178 3010 7.98      
17 A" 3154 2987 0.71      
18 A" 3078 2915 8.98      
19 A" 1511 1431 0.57      
20 A" 1510 1430 2.36      
21 A" 1436 1359 11.79      
22 A" 1373 1300 0.54      
23 A" 1172 1110 0.60      
24 A" 968 917 0.00      
25 A" 949 899 1.43      
26 A" 299 283 0.64      
27 A" 232 220 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 20964.5 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 19853.4 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 M06-2X/6-31G*
ABC
0.26875 0.09729 0.07668

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.458 -0.900 0.000
Br2 -0.066 1.005 0.000
H3 1.549 -0.864 0.000
C4 -0.066 -1.549 1.267
C5 -0.066 -1.549 -1.267
H6 -1.159 -1.513 1.289
H7 0.248 -2.599 1.295
H8 0.315 -1.047 2.159
H9 -1.159 -1.513 -1.289
H10 0.248 -2.599 -1.295
H11 0.315 -1.047 -2.159

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.97541.09091.51731.51732.15752.14652.16842.15752.14652.1684
Br21.97542.47002.85072.85073.03273.84193.00223.03273.84193.0022
H31.09092.47002.16382.16383.06852.52522.49293.06852.52522.4929
C41.51732.85072.16382.53431.09381.09621.09192.78042.78643.4833
C51.51732.85072.16382.53432.78042.78643.48331.09381.09621.0919
H62.15753.03273.06851.09382.78041.77711.77392.57843.13603.7787
H72.14653.84192.52521.09622.78641.77711.77763.13602.58943.7867
H82.16843.00222.49291.09193.48331.77391.77763.77873.78674.3172
H92.15753.03273.06852.78041.09382.57843.13603.77871.77711.7739
H102.14653.84192.52522.78641.09623.13602.58943.78671.77711.7776
H112.16843.00222.49293.48331.09193.77873.78674.31721.77391.7776

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 110.386 C1 C4 H7 109.371
C1 C4 H8 111.370 C1 C5 H9 110.386
C1 C5 H10 109.371 C1 C5 H11 111.370
Br2 C1 H3 103.533 Br2 C1 C4 108.705
Br2 C1 C5 108.705 H3 C1 C4 111.064
H3 C1 C5 111.064 C4 C1 C5 113.263
H6 C4 H7 108.477 H6 C4 H8 108.511
H7 C4 H8 108.661 H9 C5 H10 108.477
H9 C5 H11 108.511 H10 C5 H11 108.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.172      
2 Br -0.161      
3 H 0.204      
4 C -0.466      
5 C -0.466      
6 H 0.179      
7 H 0.166      
8 H 0.186      
9 H 0.179      
10 H 0.166      
11 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.477 -2.249 0.000 2.299
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.206 -0.729 0.000
y -0.729 -37.295 0.000
z 0.000 0.000 -38.232
Traceless
 xyz
x -0.442 -0.729 0.000
y -0.729 0.924 0.000
z 0.000 0.000 -0.481
Polar
3z2-r2-0.963
x2-y2-0.910
xy-0.729
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.996 -0.368 0.000
y -0.368 8.917 0.000
z 0.000 0.000 6.626


<r2> (average value of r2) Å2
<r2> 155.820
(<r2>)1/2 12.483