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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G**
 hartrees
Energy at 0K-2689.763023
Energy at 298.15K-2689.773464
HF Energy-2689.763023
Nuclear repulsion energy251.266558
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 HSEh1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3178 3032 18.55      
2 A' 3151 3007 27.30      
3 A' 3132 2989 0.88      
4 A' 3064 2924 25.49      
5 A' 1514 1445 6.91      
6 A' 1500 1432 9.74      
7 A' 1426 1361 5.63      
8 A' 1259 1201 43.53      
9 A' 1187 1133 32.23      
10 A' 1060 1011 10.21      
11 A' 909 867 6.97      
12 A' 552 526 17.47      
13 A' 404 386 1.73      
14 A' 298 284 2.29      
15 A' 264 252 0.81      
16 A" 3174 3029 9.12      
17 A" 3144 3000 1.84      
18 A" 3060 2920 10.82      
19 A" 1492 1423 0.45      
20 A" 1487 1419 2.44      
21 A" 1416 1352 13.99      
22 A" 1361 1299 0.43      
23 A" 1165 1112 1.05      
24 A" 957 914 0.03      
25 A" 943 899 1.96      
26 A" 287 274 0.73      
27 A" 242 231 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 20811.4 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 19860.3 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 HSEh1PBE/6-31G**
ABC
0.26845 0.09718 0.07652

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.452 -0.905 0.000
Br2 -0.065 1.006 0.000
H3 1.543 -0.865 0.000
C4 -0.065 -1.549 1.268
C5 -0.065 -1.549 -1.268
H6 -1.158 -1.522 1.299
H7 0.254 -2.597 1.303
H8 0.316 -1.042 2.158
H9 -1.158 -1.522 -1.299
H10 0.254 -2.597 -1.303
H11 0.316 -1.042 -2.158

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.97951.09211.51361.51362.15852.14512.16622.15852.14512.1662
Br21.97952.46732.85232.85233.04443.84492.99933.04443.84492.9993
H31.09212.46732.15972.15973.06852.52232.48863.06852.52232.4886
C41.51362.85232.15972.53681.09361.09661.09202.79002.79523.4842
C51.51362.85232.15972.53682.79002.79523.48421.09361.09661.0920
H62.15853.04443.06851.09362.79001.77521.77212.59713.14943.7878
H72.14513.84492.52231.09662.79521.77521.77563.14942.60583.7944
H82.16622.99932.48861.09203.48421.77211.77563.78783.79444.3152
H92.15853.04443.06852.79001.09362.59713.14943.78781.77521.7721
H102.14513.84492.52232.79521.09663.14942.60583.79441.77521.7756
H112.16622.99932.48863.48421.09203.78783.79444.31521.77211.7756

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 110.731 C1 C4 H7 109.496
C1 C4 H8 111.450 C1 C5 H9 110.731
C1 C5 H10 109.496 C1 C5 H11 111.450
Br2 C1 H3 103.049 Br2 C1 C4 108.746
Br2 C1 C5 108.746 H3 C1 C4 110.921
H3 C1 C5 110.921 C4 C1 C5 113.855
H6 C4 H7 108.290 H6 C4 H8 108.347
H7 C4 H8 108.442 H9 C5 H10 108.290
H9 C5 H11 108.347 H10 C5 H11 108.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.150      
2 Br -0.159      
3 H 0.175      
4 C -0.373      
5 C -0.373      
6 H 0.150      
7 H 0.136      
8 H 0.154      
9 H 0.150      
10 H 0.136      
11 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.451 -2.225 0.000 2.270
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.931 -0.699 0.000
y -0.699 -36.908 0.000
z 0.000 0.000 -37.882
Traceless
 xyz
x -0.535 -0.699 0.000
y -0.699 0.998 0.000
z 0.000 0.000 -0.463
Polar
3z2-r2-0.926
x2-y2-1.023
xy-0.699
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.054 -0.354 0.000
y -0.354 9.120 0.000
z 0.000 0.000 6.803


<r2> (average value of r2) Å2
<r2> 155.828
(<r2>)1/2 12.483