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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: mPW1PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-5287.174954
Energy at 298.15K 
HF Energy-5287.174954
Nuclear repulsion energy483.099644
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 mPW1PW91/6-311+G(3df,2p)
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' 3170 3170 0.04 69.09 0.20 0.34
2 A' 1327 1327 10.32 4.49 0.38 0.56
3 A' 1120 1120 182.78 2.89 0.47 0.64
4 A' 631 631 22.80 13.17 0.05 0.10
5 A' 366 366 0.23 5.75 0.10 0.19
6 A' 170 170 0.00 2.85 0.37 0.54
7 A" 1194 1194 73.67 1.33 0.75 0.86
8 A" 716 716 196.05 4.21 0.75 0.86
9 A" 303 303 0.03 1.70 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4498.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4498.8 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 mPW1PW91/6-311+G(3df,2p)
ABC
0.18564 0.04106 0.03435

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.101 0.784 0.000
H2 -1.011 1.372 0.000
F3 0.966 1.587 0.000
Br4 -0.101 -0.291 1.602
Br5 -0.101 -0.291 -1.602

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08391.33541.92921.9292
H21.08391.98872.48222.4822
F31.33541.98872.68912.6891
Br41.92922.48222.68913.2047
Br51.92922.48222.68913.2047

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.141 H2 C1 Br4 107.598
H2 C1 Br5 107.598 F3 C1 Br4 109.572
F3 C1 Br5 109.572 Br4 C1 Br5 112.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.138      
2 H 0.181      
3 F -0.269      
4 Br -0.026      
5 Br -0.026      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.051 0.437 0.000 1.139
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.896 -2.155 0.000
y -2.155 -46.723 0.000
z 0.000 0.000 -46.859
Traceless
 xyz
x -1.105 -2.155 0.000
y -2.155 0.655 0.000
z 0.000 0.000 0.450
Polar
3z2-r20.899
x2-y2-1.173
xy-2.155
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.843 0.219 0.000
y 0.219 7.616 0.000
z 0.000 0.000 11.040


<r2> (average value of r2) Å2
<r2> 253.529
(<r2>)1/2 15.923