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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-5280.989500
Energy at 298.15K 
HF Energy-5280.989500
Nuclear repulsion energy477.367077
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 PBEPBE/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' 3100 3055 2.93 80.19 0.28 0.44
2 A' 1282 1264 20.22 5.47 0.74 0.85
3 A' 1107 1091 172.50 1.07 0.63 0.77
4 A' 598 590 24.96 9.74 0.10 0.18
5 A' 341 336 0.76 5.34 0.18 0.31
6 A' 167 164 0.00 4.35 0.45 0.62
7 A" 1144 1127 85.67 3.43 0.75 0.86
8 A" 647 638 218.36 2.77 0.75 0.86
9 A" 281 277 1.03 2.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4332.2 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 4270.3 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 PBEPBE/6-31G*
ABC
0.17861 0.04036 0.03365

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.103 0.811 0.000
H2 -1.030 1.396 0.000
F3 0.980 1.616 0.000
Br4 -0.103 -0.297 1.616
Br5 -0.103 -0.297 -1.616

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.09651.34951.95921.9592
H21.09652.02232.51742.5174
F31.34952.02232.72832.7283
Br41.95922.51742.72833.2316
Br51.95922.51742.72833.2316

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.115 H2 C1 Br4 107.568
H2 C1 Br5 107.568 F3 C1 Br4 109.717
F3 C1 Br5 109.717 Br4 C1 Br5 111.125
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.074      
2 H 0.230      
3 F -0.188      
4 Br -0.058      
5 Br -0.058      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.902 0.698 0.000 1.140
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.009 -1.685 0.000
y -1.685 -45.588 0.000
z 0.000 0.000 -46.464
Traceless
 xyz
x -0.983 -1.685 0.000
y -1.685 1.148 0.000
z 0.000 0.000 -0.165
Polar
3z2-r2-0.331
x2-y2-1.420
xy-1.685
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.848 0.193 0.000
y 0.193 5.954 0.000
z 0.000 0.000 9.494


<r2> (average value of r2) Å2
<r2> 257.800
(<r2>)1/2 16.056