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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-5280.991094
Energy at 298.15K 
HF Energy-5280.991094
Nuclear repulsion energy477.425167
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' 3090 3047 2.35 80.94 0.27 0.43
2 A' 1272 1254 18.48 5.47 0.74 0.85
3 A' 1107 1092 172.89 1.06 0.64 0.78
4 A' 598 590 25.08 9.71 0.10 0.18
5 A' 341 336 0.77 5.36 0.18 0.31
6 A' 166 164 0.00 4.35 0.45 0.62
7 A" 1135 1119 81.17 3.24 0.75 0.86
8 A" 647 638 218.84 2.77 0.75 0.86
9 A" 280 277 1.06 2.42 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4317.7 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 4258.5 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
0.17860 0.04038 0.03366

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 -0.102 0.810 0.000
H2 -1.033 1.391 0.000
F3 0.979 1.617 0.000
Br4 -0.102 -0.297 1.616
Br5 -0.102 -0.297 -1.616

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.09681.34941.95881.9588
H21.09682.02492.51522.5152
F31.34942.02492.72842.7284
Br41.95882.51522.72843.2312
Br51.95882.51522.72843.2312

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.328 H2 C1 Br4 107.420
H2 C1 Br5 107.420 F3 C1 Br4 109.753
F3 C1 Br5 109.753 Br4 C1 Br5 111.132
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 0.122      
2 H 0.193      
3 F -0.191      
4 Br -0.062      
5 Br -0.062      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.900 0.697 0.000 1.138
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.998 -1.680 0.000
y -1.680 -45.596 0.000
z 0.000 0.000 -46.471
Traceless
 xyz
x -0.965 -1.680 0.000
y -1.680 1.139 0.000
z 0.000 0.000 -0.174
Polar
3z2-r2-0.348
x2-y2-1.403
xy-1.680
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.858 0.189 0.000
y 0.189 5.967 0.000
z 0.000 0.000 9.505


<r2> (average value of r2) Å2
<r2> 257.746
(<r2>)1/2 16.054