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: BLYP/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-2812.602866
Energy at 298.15K 
HF Energy-2812.602866
Nuclear repulsion energy253.299180
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/6-311+G(3df,2p)
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' 3045 3028 6.48 91.27 0.23 0.37
2 A' 1234 1228 60.59 3.79 0.12 0.22
3 A' 1032 1026 265.21 0.80 0.70 0.83
4 A' 656 652 130.98 13.50 0.12 0.21
5 A' 550 547 5.58 2.94 0.16 0.28
6 A' 292 291 1.55 6.71 0.23 0.37
7 A" 1310 1303 4.63 2.99 0.75 0.86
8 A" 1036 1030 219.92 1.80 0.75 0.86
9 A" 294 292 0.07 1.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4724.5 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 4698.5 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/6-311+G(3df,2p)
ABC
0.33086 0.09188 0.07503

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.431 -0.937 0.000
H2 -1.522 -1.001 0.000
Br3 0.077 0.984 0.000
F4 0.077 -1.545 1.101
F5 0.077 -1.545 -1.101

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.09291.98731.35641.3564
H21.09292.54892.01652.0165
Br31.98732.54892.75782.7578
F41.35642.01652.75782.2024
F51.35642.01652.75782.2024

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 108.148 H2 C1 F4 110.372
H2 C1 F5 110.372 Br3 C1 F4 109.692
Br3 C1 F5 109.692 F4 C1 F5 108.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.440      
2 H 0.196      
3 Br -0.066      
4 F -0.285      
5 F -0.285      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.382 -0.038 0.000 1.383
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.733 2.193 0.000
y 2.193 -34.767 0.000
z 0.000 0.000 -36.567
Traceless
 xyz
x 2.934 2.193 0.000
y 2.193 -0.117 0.000
z 0.000 0.000 -2.817
Polar
3z2-r2-5.634
x2-y22.034
xy2.193
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.110 0.373 0.000
y 0.373 7.464 0.000
z 0.000 0.000 5.362


<r2> (average value of r2) Å2
<r2> 130.335
(<r2>)1/2 11.416