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 CHBrF2 (Methane, bromodifluoro-)

using model chemistry: B2PLYP/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 B2PLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-2811.949201
Energy at 298.15K 
HF Energy-2811.723104
Nuclear repulsion energy256.569306
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/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' 3180 3180 5.39 87.42 0.22 0.35
2 A' 1285 1285 73.74 3.39 0.13 0.23
3 A' 1081 1081 261.97 1.52 0.65 0.79
4 A' 710 710 119.43 13.99 0.14 0.24
5 A' 563 563 4.78 2.35 0.18 0.30
6 A' 319 319 0.08 5.19 0.26 0.41
7 A" 1343 1343 6.23 2.65 0.75 0.86
8 A" 1100 1100 215.18 2.04 0.75 0.86
9 A" 312 312 0.11 1.19 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4945.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4945.4 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 B2PLYP/aug-cc-pVDZ
ABC
0.33361 0.09505 0.07730

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.432 -0.910 0.000
H2 -1.523 -0.987 0.000
Br3 0.078 0.966 0.000
F4 0.078 -1.521 1.096
F5 0.078 -1.521 -1.096

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.09391.94421.35421.3542
H21.09392.52582.01212.0121
Br31.94422.52582.71752.7175
F41.35422.01212.71752.1917
F51.35422.01212.71752.1917

picture of Methane, bromodifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 109.264 H2 C1 F4 110.104
H2 C1 F5 110.104 Br3 C1 F4 109.655
Br3 C1 F5 109.655 F4 C1 F5 108.042
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.761      
2 H -0.257      
3 Br 0.241      
4 F -0.372      
5 F -0.372      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.444 0.137 0.000 1.451
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.606 2.267 0.001
y 2.267 -34.838 0.004
z 0.001 0.004 -36.650
Traceless
 xyz
x 3.138 2.267 0.001
y 2.267 -0.210 0.004
z 0.001 0.004 -2.928
Polar
3z2-r2-5.856
x2-y22.232
xy2.267
xz0.001
yz0.004


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.785 0.364 -0.000
y 0.364 6.866 0.002
z -0.000 0.002 4.964


<r2> (average value of r2) Å2
<r2> 127.282
(<r2>)1/2 11.282