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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: BLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/3-21G*
 hartrees
Energy at 0K-5261.825175
Energy at 298.15K 
HF Energy-5261.825175
Nuclear repulsion energy471.890944
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 BLYP/3-21G*
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' 3074 3054 8.17 82.96 0.29 0.45
2 A' 1280 1272 15.00 7.95 0.75 0.86
3 A' 1052 1045 122.76 1.44 0.52 0.69
4 A' 588 585 23.15 10.38 0.10 0.19
5 A' 323 321 0.81 5.79 0.22 0.36
6 A' 157 156 0.01 5.00 0.48 0.64
7 A" 1162 1154 74.08 5.20 0.75 0.86
8 A" 618 614 217.26 3.45 0.75 0.86
9 A" 260 258 0.34 2.86 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4257.0 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 4229.4 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 BLYP/3-21G*
ABC
0.16915 0.03993 0.03302

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.105 0.825 0.000
H2 -1.045 1.384 0.000
F3 1.000 1.671 0.000
Br4 -0.105 -0.305 1.624
Br5 -0.105 -0.305 -1.624

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.09391.39121.97901.9790
H21.09392.06462.52542.5254
F31.39122.06462.78642.7864
Br41.97902.52542.78643.2490
Br51.97902.52542.78643.2490

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.803 H2 C1 Br4 106.980
H2 C1 Br5 106.980 F3 C1 Br4 110.320
F3 C1 Br5 110.320 Br4 C1 Br5 110.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.016      
2 H 0.256      
3 F -0.209      
4 Br -0.016      
5 Br -0.016      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.078 0.469 0.000 1.175
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.886 -1.951 0.000
y -1.951 -45.647 0.000
z 0.000 0.000 -45.781
Traceless
 xyz
x -1.172 -1.951 0.000
y -1.951 0.687 0.000
z 0.000 0.000 0.486
Polar
3z2-r20.972
x2-y2-1.239
xy-1.951
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.165 0.249 0.000
y 0.249 5.388 0.000
z 0.000 0.000 8.880


<r2> (average value of r2) Å2
<r2> 262.094
(<r2>)1/2 16.189