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: B2PLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-311G*
 hartrees
Energy at 0K-2712.743477
Energy at 298.15K-2712.748921
HF Energy-2712.591452
Nuclear repulsion energy164.277420
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 B2PLYP/6-311G*
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' 3135 3135 22.93      
2 A' 1531 1531 0.29      
3 A' 1376 1376 70.96      
4 A' 1097 1097 195.38      
5 A' 640 640 73.14      
6 A' 312 312 0.53      
7 A" 3222 3222 10.86      
8 A" 1278 1278 3.84      
9 A" 962 962 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 6776.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6776.8 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 B2PLYP/6-311G*
ABC
1.34345 0.12324 0.11544

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.515 -1.124 0.000
F2 -0.586 -1.922 0.000
Br3 0.000 0.761 0.000
H4 1.089 -1.298 0.905
H5 1.089 -1.298 -0.905

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.35951.95481.08551.0855
F21.35952.74672.00342.0034
Br31.95482.74672.49892.4989
H41.08552.00342.49891.8096
H51.08552.00342.49891.8096

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 110.657 F2 C1 H4 109.545
F2 C1 H5 109.545 Br3 C1 H4 107.058
Br3 C1 H5 107.058 H4 C1 H5 112.931
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.196      
2 F -0.228      
3 Br -0.061      
4 H 0.243      
5 H 0.243      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.798 -0.684 0.000 1.923
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.376 -3.243 0.000
y -3.243 -30.106 0.000
z 0.000 0.000 -29.349
Traceless
 xyz
x 0.352 -3.243 0.000
y -3.243 -0.744 0.000
z 0.000 0.000 0.392
Polar
3z2-r20.784
x2-y20.730
xy-3.243
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.145 -0.524 0.000
y -0.524 5.610 0.000
z 0.000 0.000 2.917


<r2> (average value of r2) Å2
<r2> 91.676
(<r2>)1/2 9.575