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

using model chemistry: HSEh1PBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-2662.786725
Energy at 298.15K-2662.797017
HF Energy-2662.786725
Nuclear repulsion energy250.278427
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/STO-3G
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' 3543 3129 0.47      
2 A' 3530 3117 0.30      
3 A' 3416 3016 2.36      
4 A' 3359 2966 0.88      
5 A' 1694 1496 3.29      
6 A' 1688 1490 5.84      
7 A' 1588 1402 1.07      
8 A' 1411 1246 41.44      
9 A' 1295 1144 17.36      
10 A' 1174 1036 12.34      
11 A' 989 873 1.99      
12 A' 663 586 4.75      
13 A' 423 373 0.51      
14 A' 311 275 0.82      
15 A' 246 217 0.13      
16 A" 3541 3127 0.08      
17 A" 3529 3116 0.15      
18 A" 3358 2966 0.68      
19 A" 1685 1488 1.24      
20 A" 1681 1485 0.46      
21 A" 1574 1390 2.29      
22 A" 1482 1309 4.54      
23 A" 1242 1097 4.53      
24 A" 1056 933 0.23      
25 A" 1028 908 2.11      
26 A" 295 260 0.88      
27 A" 230 203 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 23014.0 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 20323.6 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/STO-3G
ABC
0.26457 0.09621 0.07563

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.870 -0.435 0.000
Br2 -0.648 0.778 0.000
H3 1.776 0.197 0.000
C4 0.870 -1.306 1.280
C5 0.870 -1.306 -1.280
H6 -0.026 -1.939 1.318
H7 1.756 -1.956 1.283
H8 0.893 -0.677 2.179
H9 -0.026 -1.939 -1.318
H10 1.756 -1.956 -1.283
H11 0.893 -0.677 -2.179

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.94301.10461.54791.54792.19122.17812.19232.19122.17812.1923
Br21.94302.49212.87822.87823.08333.86003.03973.08333.86003.0397
H31.10462.49212.17192.17193.08972.50622.50783.08972.50622.5078
C41.54792.87822.17192.55941.09771.09901.09762.81992.78873.5154
C51.54792.87822.17192.55942.81992.78873.51541.09771.09901.0976
H62.19123.08333.08971.09772.81991.78281.78312.63623.15353.8297
H72.17813.86002.50621.09902.78871.78281.78363.15352.56673.7902
H82.19233.03972.50781.09763.51541.78311.78363.82973.79024.3577
H92.19123.08333.08972.81991.09772.63623.15353.82971.78281.7831
H102.17813.86002.50622.78871.09903.15352.56673.79021.78281.7836
H112.19233.03972.50783.51541.09763.82973.79024.35771.78311.7836

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 110.692 C1 C4 H7 109.585
C1 C4 H8 110.783 C1 C5 H9 110.692
C1 C5 H10 109.585 C1 C5 H11 110.783
Br2 C1 H3 106.445 Br2 C1 C4 110.565
Br2 C1 C5 110.565 H3 C1 C4 108.783
H3 C1 C5 108.783 C4 C1 C5 111.534
H6 C4 H7 108.505 H6 C4 H8 108.634
H7 C4 H8 108.581 H9 C5 H10 108.505
H9 C5 H11 108.634 H10 C5 H11 108.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.090      
2 Br -0.052      
3 H 0.092      
4 C -0.232      
5 C -0.232      
6 H 0.086      
7 H 0.083      
8 H 0.087      
9 H 0.086      
10 H 0.083      
11 H 0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.302 -1.151 0.000 1.738
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.774 -0.142 0.000
y -0.142 -35.442 0.000
z 0.000 0.000 -35.346
Traceless
 xyz
x 0.619 -0.142 0.000
y -0.142 -0.382 0.000
z 0.000 0.000 -0.238
Polar
3z2-r2-0.475
x2-y20.667
xy-0.142
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.567 -1.108 0.000
y -1.108 3.417 0.000
z 0.000 0.000 2.646


<r2> (average value of r2) Å2
<r2> 156.035
(<r2>)1/2 12.491