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 CH2BrF (Methane, bromofluoro-)

using model chemistry: B3LYPultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-2713.318436
Energy at 298.15K-2713.323844
HF Energy-2713.318436
Nuclear repulsion energy163.527553
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 B3LYPultrafine/aug-cc-pVDZ
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' 3101 3009 12.76      
2 A' 1451 1408 0.51      
3 A' 1304 1266 36.56      
4 A' 1048 1017 194.44      
5 A' 626 607 73.16      
6 A' 304 295 0.35      
7 A" 3195 3100 1.89      
8 A" 1222 1186 2.38      
9 A" 927 899 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 6588.1 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 6393.1 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 B3LYPultrafine/aug-cc-pVDZ
ABC
1.31362 0.12251 0.11464

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.523 -1.126 0.000
F2 -0.592 -1.928 0.000
Br3 0.000 0.763 0.000
H4 1.094 -1.304 0.916
H5 1.094 -1.304 -0.916

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.37351.96091.09371.0937
F21.37352.75572.01802.0180
Br31.96092.75572.51172.5117
H41.09372.01802.51171.8316
H51.09372.01802.51171.8316

picture of Methane, bromofluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 110.221 F2 C1 H4 109.229
F2 C1 H5 109.229 Br3 C1 H4 107.188
Br3 C1 H5 107.188 H4 C1 H5 113.733
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.675      
2 F -0.368      
3 Br 0.182      
4 H -0.245      
5 H -0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.719 -0.627 0.000 1.830
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.720 -3.438 0.000
y -3.438 -30.454 0.000
z 0.000 0.000 -29.538
Traceless
 xyz
x 0.276 -3.438 0.000
y -3.438 -0.825 0.000
z 0.000 0.000 0.549
Polar
3z2-r21.097
x2-y20.734
xy-3.438
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.930 -0.314 0.000
y -0.314 6.957 0.000
z 0.000 0.000 4.647


<r2> (average value of r2) Å2
<r2> 92.410
(<r2>)1/2 9.613