return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: wB97X-D/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-5287.073306
Energy at 298.15K 
HF Energy-5287.073306
Nuclear repulsion energy482.470489
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 wB97X-D/aug-cc-pVTZ
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' 3173 3035 0.03 69.14 0.20 0.33
2 A' 1332 1274 11.40 4.68 0.36 0.52
3 A' 1112 1064 183.53 3.43 0.44 0.61
4 A' 634 607 22.36 14.44 0.06 0.11
5 A' 366 350 0.24 6.03 0.10 0.18
6 A' 172 165 0.00 2.75 0.34 0.50
7 A" 1206 1153 78.08 1.60 0.75 0.86
8 A" 730 699 183.27 4.76 0.75 0.86
9 A" 303 290 0.01 1.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4513.8 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 4317.9 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 wB97X-D/aug-cc-pVTZ
ABC
0.18477 0.04099 0.03427

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.102 0.785 0.000
H2 -1.009 1.378 0.000
F3 0.970 1.589 0.000
Br4 -0.102 -0.291 1.604
Br5 -0.102 -0.291 -1.604

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08361.34061.93121.9312
H21.08361.99042.48602.4860
F31.34061.99042.69422.6942
Br41.93122.48602.69423.2074
Br51.93122.48602.69423.2074

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.932 H2 C1 Br4 107.752
H2 C1 Br5 107.752 F3 C1 Br4 109.540
F3 C1 Br5 109.540 Br4 C1 Br5 112.281
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.096      
2 H 0.255      
3 F -0.338      
4 Br -0.006      
5 Br -0.006      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.059 0.431 0.000 1.144
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.968 -2.167 0.000
y -2.167 -46.762 0.000
z 0.000 0.000 -46.806
Traceless
 xyz
x -1.184 -2.167 0.000
y -2.167 0.626 0.000
z 0.000 0.000 0.559
Polar
3z2-r21.117
x2-y2-1.207
xy-2.167
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.116 0.207 0.000
y 0.207 7.870 0.000
z 0.000 0.000 11.164


<r2> (average value of r2) Å2
<r2> 254.050
(<r2>)1/2 15.939