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

using model chemistry: BLYP/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 BLYP/STO-3G
 hartrees
Energy at 0K-2662.914469
Energy at 298.15K-2662.924552
HF Energy-2662.914469
Nuclear repulsion energy246.036650
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 BLYP/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' 3382 3129 3.25      
2 A' 3367 3115 2.54      
3 A' 3251 3008 5.31      
4 A' 3208 2968 2.00      
5 A' 1640 1518 2.78      
6 A' 1634 1512 4.38      
7 A' 1529 1415 0.80      
8 A' 1347 1247 39.81      
9 A' 1233 1140 19.37      
10 A' 1123 1039 10.31      
11 A' 913 845 2.97      
12 A' 609 563 4.87      
13 A' 404 374 0.55      
14 A' 294 272 0.75      
15 A' 230 213 0.11      
16 A" 3380 3127 0.73      
17 A" 3365 3113 0.73      
18 A" 3207 2968 2.14      
19 A" 1632 1510 0.80      
20 A" 1628 1506 0.50      
21 A" 1512 1399 0.32      
22 A" 1419 1313 6.45      
23 A" 1165 1078 5.51      
24 A" 1002 927 0.18      
25 A" 988 914 1.29      
26 A" 279 258 0.71      
27 A" 215 199 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21976.6 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 20332.8 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 BLYP/STO-3G
ABC
0.25609 0.09277 0.07293

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.884 -0.449 0.000
Br2 -0.659 0.794 0.000
H3 1.799 0.190 0.000
C4 0.884 -1.332 1.302
C5 0.884 -1.332 -1.302
H6 -0.019 -1.973 1.343
H7 1.781 -1.986 1.309
H8 0.907 -0.693 2.208
H9 -0.019 -1.973 -1.343
H10 1.781 -1.986 -1.309
H11 0.907 -0.693 -2.208

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.98101.11591.57361.57362.22292.20912.22182.22292.20912.2218
Br21.98102.53112.93182.93183.14083.92343.08853.14083.92343.0885
H31.11592.53112.20202.20203.12832.53912.54003.12832.53912.5400
C41.57362.93182.20202.60501.10851.11021.10852.86782.83733.5684
C51.57362.93182.20202.60502.86782.83733.56841.10851.11021.1085
H62.22293.14083.12831.10852.86781.80091.80132.68543.20493.8864
H72.20913.92342.53911.11022.83731.80091.80133.20492.61723.8475
H82.22183.08852.54001.10853.56841.80131.80133.88643.84754.4164
H92.22293.14083.12832.86781.10852.68543.20493.88641.80091.8013
H102.20913.92342.53912.83731.11023.20492.61723.84751.80091.8013
H112.22183.08852.54003.56841.10853.88643.84754.41641.80131.8013

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 110.756 C1 C4 H7 109.588
C1 C4 H8 110.668 C1 C5 H9 110.756
C1 C5 H10 109.588 C1 C5 H11 110.668
Br2 C1 H3 106.247 Br2 C1 C4 110.610
Br2 C1 C5 110.610 H3 C1 C4 108.728
H3 C1 C5 108.728 C4 C1 C5 111.729
H6 C4 H7 108.526 H6 C4 H8 108.681
H7 C4 H8 108.563 H9 C5 H10 108.526
H9 C5 H11 108.681 H10 C5 H11 108.563
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.088      
2 Br -0.040      
3 H 0.083      
4 C -0.212      
5 C -0.212      
6 H 0.079      
7 H 0.076      
8 H 0.080      
9 H 0.079      
10 H 0.076      
11 H 0.080      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.169 -1.048 0.000 1.570
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.778 -0.269 0.000
y -0.269 -35.397 0.000
z 0.000 0.000 -35.390
Traceless
 xyz
x 0.615 -0.269 0.000
y -0.269 -0.313 0.000
z 0.000 0.000 -0.302
Polar
3z2-r2-0.603
x2-y20.619
xy-0.269
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.764 -1.225 0.000
y -1.225 3.666 0.000
z 0.000 0.000 2.855


<r2> (average value of r2) Å2
<r2> 160.820
(<r2>)1/2 12.681