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: PBEPBE/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 PBEPBE/6-311G**
 hartrees
Energy at 0K-2811.952792
Energy at 298.15K-2811.957654
HF Energy-2811.952792
Nuclear repulsion energy254.835222
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 PBEPBE/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' 3058 3030 18.65      
2 A' 1237 1226 83.41      
3 A' 1073 1063 284.54      
4 A' 670 664 132.32      
5 A' 562 557 7.60      
6 A' 297 295 2.13      
7 A" 1325 1313 18.89      
8 A" 1100 1090 226.08      
9 A" 299 296 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 4810.5 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 4766.7 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 PBEPBE/6-311G**
ABC
0.33342 0.09322 0.07604

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.428 -0.933 0.000
H2 -1.524 -0.989 0.000
Br3 0.077 0.977 0.000
F4 0.077 -1.533 1.097
F5 0.077 -1.533 -1.097

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.09761.97501.34851.3485
H21.09762.53552.01562.0156
Br31.97502.53552.73882.7388
F41.34852.01562.73882.1936
F51.34852.01562.73882.1936

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 107.777 H2 C1 F4 110.551
H2 C1 F5 110.551 Br3 C1 F4 109.549
Br3 C1 F5 109.549 F4 C1 F5 108.848
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.202      
2 H 0.156      
3 Br -0.054      
4 F -0.152      
5 F -0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.398 -0.276 0.000 1.425
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.231 1.962 0.000
y 1.962 -33.791 0.000
z 0.000 0.000 -35.744
Traceless
 xyz
x 2.536 1.962 0.000
y 1.962 0.197 0.000
z 0.000 0.000 -2.733
Polar
3z2-r2-5.466
x2-y21.560
xy1.962
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.232 0.569 0.000
y 0.569 5.993 0.000
z 0.000 0.000 3.314


<r2> (average value of r2) Å2
<r2> 128.461
(<r2>)1/2 11.334