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: PBEPBEultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-31+G**
 hartrees
Energy at 0K-2809.479822
Energy at 298.15K 
HF Energy-2809.479822
Nuclear repulsion energy255.372565
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 PBEPBEultrafine/6-31+G**
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' 3078 3043 8.05 93.36 0.26 0.41
2 A' 1244 1230 76.20 3.72 0.41 0.58
3 A' 1056 1044 271.83 1.07 0.30 0.46
4 A' 676 668 132.62 12.57 0.14 0.24
5 A' 548 542 5.84 2.34 0.25 0.40
6 A' 304 300 0.51 5.20 0.32 0.49
7 A" 1299 1284 11.26 4.61 0.75 0.86
8 A" 1071 1058 237.96 1.79 0.75 0.86
9 A" 300 297 0.13 1.65 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4787.4 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 4732.9 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 PBEPBEultrafine/6-31+G**
ABC
0.33031 0.09419 0.07658

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.433 -0.915 0.000
H2 -1.530 -0.991 0.000
Br3 0.078 0.971 0.000
F4 0.078 -1.527 1.101
F5 0.078 -1.527 -1.101

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.09941.95401.35981.3598
H21.09942.53622.02172.0217
Br31.95402.53622.73012.7301
F41.35982.02172.73012.2030
F51.35982.02172.73012.2030

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 109.089 H2 C1 F4 110.138
H2 C1 F5 110.138 Br3 C1 F4 109.635
Br3 C1 F5 109.635 F4 C1 F5 108.193
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.256      
2 H 0.188      
3 Br -0.052      
4 F -0.196      
5 F -0.196      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.441 0.093 0.000 1.444
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.603 2.273 0.000
y 2.273 -34.585 0.000
z 0.000 0.000 -36.547
Traceless
 xyz
x 2.963 2.273 0.000
y 2.273 -0.010 0.000
z 0.000 0.000 -2.953
Polar
3z2-r2-5.905
x2-y21.982
xy2.273
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.400 0.418 0.000
y 0.418 6.777 0.000
z 0.000 0.000 4.587


<r2> (average value of r2) Å2
<r2> 128.199
(<r2>)1/2 11.323