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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-5281.551659
Energy at 298.15K 
HF Energy-5281.551659
Nuclear repulsion energy472.784052
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' 3227 3091 1.98      
2 A' 1301 1246 14.48      
3 A' 1062 1018 169.50      
4 A' 592 567 31.50      
5 A' 334 320 1.52      
6 A' 167 160 0.07      
7 A" 1193 1142 77.28      
8 A" 652 624 221.96      
9 A" 279 267 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 4403.4 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 4217.1 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
0.17346 0.03974 0.03306

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 -0.107 0.813 0.000
H2 -1.010 1.414 0.000
F3 1.015 1.633 0.000
Br4 -0.107 -0.300 1.628
Br5 -0.107 -0.300 -1.628

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08501.38921.97241.9724
H21.08502.03692.53072.5307
F31.38922.03692.76492.7649
Br41.97242.53072.76493.2566
Br51.97242.53072.76493.2566

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.223 H2 C1 Br4 108.201
H2 C1 Br5 108.201 F3 C1 Br4 109.452
F3 C1 Br5 109.452 Br4 C1 Br5 111.293
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 -0.304      
2 H 0.287      
3 F -0.255      
4 Br 0.136      
5 Br 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.571 0.433 0.000 1.630
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.885 -2.654 0.000
y -2.654 -47.053 0.000
z 0.000 0.000 -47.476
Traceless
 xyz
x -0.620 -2.654 0.000
y -2.654 0.628 0.000
z 0.000 0.000 -0.007
Polar
3z2-r2-0.015
x2-y2-0.832
xy-2.654
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.717 0.298 0.000
y 0.298 4.405 0.000
z 0.000 0.000 8.336


<r2> (average value of r2) Å2
<r2> 262.662
(<r2>)1/2 16.207