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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-5281.857609
Energy at 298.15K 
HF Energy-5281.857609
Nuclear repulsion energy481.355149
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 B3PW91/6-31G*
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' 3192 3054 2.32      
2 A' 1333 1276 21.73      
3 A' 1146 1096 176.91      
4 A' 621 594 25.13      
5 A' 354 339 0.55      
6 A' 174 166 0.00      
7 A" 1197 1145 92.17      
8 A" 691 661 208.03      
9 A" 294 281 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 4500.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 4305.8 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 B3PW91/6-31G*
ABC
0.18197 0.04100 0.03420

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.102 0.800 0.000
H2 -1.017 1.387 0.000
F3 0.975 1.600 0.000
Br4 -0.102 -0.294 1.603
Br5 -0.102 -0.294 -1.603

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08741.34121.94111.9411
H21.08742.00342.49712.4971
F31.34122.00342.70502.7050
Br41.94112.49712.70503.2064
Br51.94112.49712.70503.2064

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.723 H2 C1 Br4 107.721
H2 C1 Br5 107.721 F3 C1 Br4 109.643
F3 C1 Br5 109.643 Br4 C1 Br5 111.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.103      
2 H 0.243      
3 F -0.224      
4 Br -0.061      
5 Br -0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.009 0.623 0.000 1.186
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.038 -1.896 0.000
y -1.896 -45.699 0.000
z 0.000 0.000 -46.321
Traceless
 xyz
x -1.028 -1.896 0.000
y -1.896 0.981 0.000
z 0.000 0.000 0.047
Polar
3z2-r20.095
x2-y2-1.339
xy-1.896
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.750 0.161 0.000
y 0.161 5.780 0.000
z 0.000 0.000 9.132


<r2> (average value of r2) Å2
<r2> 254.103
(<r2>)1/2 15.941